{"id":98677,"date":"2024-10-18T11:55:24","date_gmt":"2024-10-18T11:55:24","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ashrae-fundamentals-handbook-si-2013\/"},"modified":"2024-10-24T21:12:46","modified_gmt":"2024-10-24T21:12:46","slug":"ashrae-fundamentals-handbook-si-2013","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ashrae\/ashrae-fundamentals-handbook-si-2013\/","title":{"rendered":"ASHRAE Fundamentals Handbook SI 2013"},"content":{"rendered":"

The 2013 ASHRAE Handbook: Fundamentals covers basic principles and data used in the HVAC&R industry. Updated with research sponsored by ASHRAE and others, this volume includes 1,000 pages and 39 chapters covering general engineering information, basic materials, climate data, load and energy calculations, duct and pipe design, and sustainability, plus reference tables for abbreviations and symbols, I-P to SI conversions, and physical properties of materials.<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nF13 FrontMatter_SI <\/td>\n<\/tr>\n
2<\/td>\nDedicated To The Advancement Of
The Profession And Its Allied Industries
DISCLAIMER <\/td>\n<\/tr>\n
9<\/td>\nSI_F13_Ch01
Composition of Dry and Moist Air
U.S. Standard Atmosphere
Table 1 Standard Atmospheric Data for Altitudes to 10 000 m <\/td>\n<\/tr>\n
10<\/td>\nThermodynamic Properties of Moist Air
Thermodynamic Properties of Water at Saturation
Humidity Parameters
Basic Parameters <\/td>\n<\/tr>\n
11<\/td>\nTable 2 Thermodynamic Properties of Moist Air at Standard Atmospheric Pressure, 101.325 kPa <\/td>\n<\/tr>\n
13<\/td>\nTable 3 Thermodynamic Properties of Water at Saturation <\/td>\n<\/tr>\n
14<\/td>\nTable 3 Thermodynamic Properties of Water at Saturation (Continued ) <\/td>\n<\/tr>\n
16<\/td>\nHumidity Parameters Involving Saturation
Perfect Gas Relationships for Dry and Moist Air <\/td>\n<\/tr>\n
17<\/td>\nThermodynamic Wet-Bulb and Dew-Point Temperature
Numerical Calculation of Moist Air Properties <\/td>\n<\/tr>\n
18<\/td>\nMoist Air Property Tables for Standard Pressure
Psychrometric Charts <\/td>\n<\/tr>\n
19<\/td>\nFig. 1 ASHRAE Psychrometric Chart No. 1 <\/td>\n<\/tr>\n
20<\/td>\nTypical Air-Conditioning Processes
Moist Air Sensible Heating or Cooling
Fig. 2 Schematic of Device for Heating Moist Air
Fig. 3 Schematic of Device for Cooling Moist Air
Fig. 3 Schematic Solution for Example 2
Moist Air Cooling and Dehumidification <\/td>\n<\/tr>\n
21<\/td>\nFig. 5 Schematic Solution for Example 3
Adiabatic Mixing of Two Moist Airstreams
Fig. 6 Adiabatic Mixing of Two Moist Airstreams
Adiabatic Mixing of Water Injected into Moist Air
Fig. 7 Schematic Solution for Example 4
Fig. 8 Schematic Showing Injection of Water into Moist Air <\/td>\n<\/tr>\n
22<\/td>\nFig. 9 Schematic Solution for Example 5
Space Heat Absorption and Moist Air Moisture Gains
Fig. 10 Schematic of Air Conditioned Space <\/td>\n<\/tr>\n
23<\/td>\nFig. 11 Schematic Solution for Example 6
Transport Properties of Moist Air
Fig. 12 Viscosity of Moist Air
Fig. 13 Thermal Conductivity of Moist Air
Symbols
Table 4 Calculated Diffusion Coefficients for Water\/Air at 101.325 kPa <\/td>\n<\/tr>\n
24<\/td>\nReferences
Bibliography <\/td>\n<\/tr>\n
25<\/td>\nSI_F13_Ch02
Thermodynamics
Stored Energy
Energy in Transition
Fig. 1 Energy Flows in General Thermodynamic System <\/td>\n<\/tr>\n
26<\/td>\nFirst Law of Thermodynamics
Second Law of Thermodynamics <\/td>\n<\/tr>\n
27<\/td>\nThermodynamic Analysis of Refrigeration Cycles <\/td>\n<\/tr>\n
28<\/td>\nEquations of State <\/td>\n<\/tr>\n
29<\/td>\nCalculating Thermodynamic Properties
Phase Equilibria for Multicomponent Systems <\/td>\n<\/tr>\n
30<\/td>\nFig. 2 Mixture of i and j Components in Constant-Pressure Container
Fig. 3 Temperature-Concentration (T – x) Diagram for Zeotropic Mixture
Fig. 4 Azeotropic Behavior Shown on T – x Diagram
Compression Refrigeration Cycles
Carnot Cycle <\/td>\n<\/tr>\n
31<\/td>\nFig. 5 Carnot Refrigeration Cycle
Fig. 6 Temperature-Entropy Diagram for Carnot Refrigeration Cycle of Example 1
Fig. 7 Carnot Vapor Compression Cycle <\/td>\n<\/tr>\n
32<\/td>\nTheoretical Single-Stage Cycle Using a Pure Refrigerant or Azeotropic Mixture
Fig. 8 Theoretical Single-Stage Vapor Compression Refrigeration Cycle
Fig. 9 Schematic p – h Diagram for Example 2
Table 1 Thermodynamic Property Data for Example 2 <\/td>\n<\/tr>\n
33<\/td>\nFig. 10 Areas on T- s Diagram Representing Refrigerating Effect and Work Supplied for Theoretical Single-Stage Cycle
Lorenz Refrigeration Cycle
Fig. 11 Processes of Lorenz Refrigeration Cycle <\/td>\n<\/tr>\n
34<\/td>\nTheoretical Single-Stage Cycle Using Zeotropic Refrigerant Mixture
Fig. 12 Areas on T- s Diagram Representing Refrigerating Effect and Work Supplied for Theoretical Single-Stage Cycle Using Zeotropic Mixture as Refrigerant
Multistage Vapor Compression Refrigeration Cycles <\/td>\n<\/tr>\n
35<\/td>\nFig. 13 Schematic and Pressure-Enthalpy Diagram for Dual-Compression, Dual-Expansion Cycle of Example 4
Table 2 Thermodynamic Property Values for Example 4
Actual Refrigeration Systems <\/td>\n<\/tr>\n
36<\/td>\nFig. 14 Schematic of Real, Direct-Expansion, Single-Stage Mechanical Vapor-Compression Refrigeration System
Table 3 Measured and Computed Thermodynamic Properties of R-22 for Example 5
Fig. 15 Pressure-Enthalpy Diagram of Actual System and Theoretical Single-Stage System Operating Between Same Inlet Air Temperatures tR and t0 <\/td>\n<\/tr>\n
37<\/td>\nTable 4 Energy Transfers and Irreversibility Rates for Refrigeration System in Example 5
Absorption Refrigeration Cycles
Ideal Thermal Cycle <\/td>\n<\/tr>\n
38<\/td>\nFig. 16 Thermal Cycles
Working Fluid Phase Change Constraints
Fig. 17 Single-Effect Absorption Cycle <\/td>\n<\/tr>\n
39<\/td>\nTemperature Glide
Working Fluids <\/td>\n<\/tr>\n
40<\/td>\nTable 5 Refrigerant\/Absorbent Pairs
Effect of Fluid Properties on Cycle Performance
Absorption Cycle Representations
Conceptualizing the Cycle <\/td>\n<\/tr>\n
41<\/td>\nFig. 18 Double-Effect Absorption Cycle
Fig. 19 Generic Triple-Effect Cycles
Absorption Cycle Modeling
Analysis and Performance Simulation
Fig. 20 Single-Effect Water\/Lithium Bromide Absorption Cycle D\u00fchring Plot
Table 6 Assumptions for Single-Effect Water\/ Lithium Bromide Model (Figure 20) <\/td>\n<\/tr>\n
42<\/td>\nTable 7 Design Parameters and Operating Conditions for Single-Effect Water\/Lithium Bromide Absorption Chiller
Table 8 Simulation Results for Single-Effect Water\/Lithium Bromide Absorption Chiller
Double-Effect Cycle <\/td>\n<\/tr>\n
43<\/td>\nFig. 21 Double-Effect Water\/Lithium Bromide Absorption Cycle with State Points
Table 9 Inputs and Assumptions for Double-Effect Water-Lithium Bromide Model (Figure 21)
Ammonia\/Water Absorption Cycles
Fig. 22 Single-Effect Ammonia\/Water Absorption Cycle <\/td>\n<\/tr>\n
44<\/td>\nTable 10 State Point Data for Double-Effect Lithium Bromide\/Water Cycle of Figure 21
Table 11 Inputs and Assumptions for Single-Effect Ammonia\/Water Cycle (Figure 22)
Table 12 State Point Data for Single-Effect Ammonia\/Water Cycle (Figure 22)
Adsorption Refrigeration Systems <\/td>\n<\/tr>\n
45<\/td>\nSymbols
References <\/td>\n<\/tr>\n
46<\/td>\nBibliography <\/td>\n<\/tr>\n
47<\/td>\nSI_F13_Ch03
Fluid Properties
Density
Viscosity
Fig. 1 Velocity Profiles and Gradients in Shear Flows <\/td>\n<\/tr>\n
48<\/td>\nBasic Relations of Fluid Dynamics
Continuity in a Pipe or Duct
Bernoulli Equation and Pressure Variation in Flow Direction
Laminar Flow <\/td>\n<\/tr>\n
49<\/td>\nFig. 2 Dimensions for Steady, Fully Developed Laminar Flow Equations
Turbulence
Fig. 3 Velocity Fluctuation at Point in Turbulent Flow
Basic Flow Processes
Wall Friction
Fig. 4 Velocity Profiles of Flow in Pipes <\/td>\n<\/tr>\n
50<\/td>\nFig. 5 Pipe Factor for Flow in Conduits
Fig. 6 Flow in Conduit Entrance Region
Boundary Layer
Fig. 7 Boundary Layer Flow to Separation
Flow Patterns with Separation
Fig. 8 Geometric Separation, Flow Development, and Loss in Flow Through Orifice
Fig. 9 Examples of Geometric Separation Encountered in Flows in Conduits <\/td>\n<\/tr>\n
51<\/td>\nFig. 10 Separation in Flow in Diffuser
Drag Forces on Bodies or Struts
Nonisothermal Effects
Fig. 11 Effect of Viscosity Variation on Velocity Profile of Laminar Flow in Pipe
Table 1 Drag Coefficients <\/td>\n<\/tr>\n
52<\/td>\nFlow Analysis
Generalized Bernoulli Equation
Fig. 12 Blower and Duct System for Example 1
Conduit Friction <\/td>\n<\/tr>\n
53<\/td>\nFig. 13 Relation Between Friction Factor and Reynolds Number
Table 2 Effective Roughness of Conduit Surfaces <\/td>\n<\/tr>\n
54<\/td>\nValve, Fitting, and Transition Losses
Table 3 Fitting Loss Coefficients of Turbulent Flow <\/td>\n<\/tr>\n
55<\/td>\nFig. 14 Diagram for Example 2
Control Valve Characterization for Liquids
Incompressible Flow in Systems <\/td>\n<\/tr>\n
56<\/td>\nFig. 15 Valve Action in Pipeline
Fig. 16 Effect of Duct Length on Damper Action
Fig. 17 Matching of Pump or Blower to System Characteristics
Flow Measurement
Fig. 18 Differential Pressure Flowmeters <\/td>\n<\/tr>\n
57<\/td>\nFig. 19 Flowmeter Coefficients
Unsteady Flow <\/td>\n<\/tr>\n
58<\/td>\nFig. 20 Temporal Increase in Velocity Following Sudden Application of Pressure
Compressibility <\/td>\n<\/tr>\n
59<\/td>\nCompressible Conduit Flow
Cavitation
Fig. 21 Cavitation in Flows in Orifice or Valve
Noise in Fluid Flow <\/td>\n<\/tr>\n
60<\/td>\nSymbols
References <\/td>\n<\/tr>\n
61<\/td>\nSI_F13_Ch04
Heat Transfer Processes
Conduction
Fig. 1 (A) Conduction and (B) Convection
Convection
Table 1 Heat Transfer Coefficients by Convection Type <\/td>\n<\/tr>\n
62<\/td>\nRadiation
Combined Radiation and Convection
Contact or Interface Resistance
Fig. 2 Interface Resistance Across Two Layers
Heat Flux <\/td>\n<\/tr>\n
63<\/td>\nOverall Resistance and Heat Transfer Coefficient
Fig. 3 Thermal Circuit
Thermal Conduction
One-Dimensional Steady-State Conduction
Table 2 One-Dimensional Conduction Shape Factors <\/td>\n<\/tr>\n
64<\/td>\nFig. 4 Thermal Circuit Diagram for Insulated Water Pipe (Example 1)
Two- and Three-Dimensional Steady-State Conduction: Shape Factors
Fig. 5 Efficiency of Annular Fins of Constant Thickness
Extended Surfaces <\/td>\n<\/tr>\n
65<\/td>\nTable 3 Multidimensional Conduction Shape Factors <\/td>\n<\/tr>\n
66<\/td>\nFig. 6 Efficiency of Annular Fins with Constant Metal Area for Heat Flow
Fig. 7 Efficiency of Several Types of Straight Fins
Fig. 8 Efficiency of Four Types of Spines <\/td>\n<\/tr>\n
67<\/td>\nFig. 9 Rectangular Tube Array
Fig. 10 Hexagonal Tube Array <\/td>\n<\/tr>\n
68<\/td>\nTransient Conduction <\/td>\n<\/tr>\n
69<\/td>\nTable 4 Values of c1 and m1 in Equations (14) to (17) <\/td>\n<\/tr>\n
70<\/td>\nFig. 11 Transient Temperatures for Infinite Slab, m = 1\/Bi
Fig. 12 Transient Temperatures for Infinite Cylinder, m = 1\/Bi <\/td>\n<\/tr>\n
71<\/td>\nFig. 13 Transient Temperatures for Sphere, m = 1\/Bi
Fig. 14 Solid Cylinder Exposed to Fluid
Thermal Radiation <\/td>\n<\/tr>\n
72<\/td>\nBlackbody Radiation
Actual Radiation
Table 5 Emissivities and Absorptivities of Some Surfaces <\/td>\n<\/tr>\n
73<\/td>\nAngle Factor <\/td>\n<\/tr>\n
74<\/td>\nFig. 15 Radiation Angle Factors for Various Geometries
Radiant Exchange Between Opaque Surfaces <\/td>\n<\/tr>\n
75<\/td>\nFig. 16 Diagram for Example 8 <\/td>\n<\/tr>\n
76<\/td>\nFig. 17 Diagrams for Example 9
Radiation in Gases
Table 6 Emissivity of CO2 and Water Vapor in Air at 24\u00b0C
Table 7 Emissivity of Moist Air and CO2 in Typical Room <\/td>\n<\/tr>\n
77<\/td>\nThermal Convection
Forced Convection
Fig. 18 External Flow Boundary Layer Build-up (Vertical Scale Magnified)
Fig. 19 Boundary Layer Build-up in Entrance Region of Tube or Channel <\/td>\n<\/tr>\n
78<\/td>\nTable 8 Forced-Convection Correlations <\/td>\n<\/tr>\n
79<\/td>\nFig. 20 Typical Dimensionless Representation of Forced- Convection Heat Transfer
Fig. 21 Heat Transfer Coefficient for Turbulent Flow of Water Inside Tubes <\/td>\n<\/tr>\n
80<\/td>\nTable 9 Natural Convection Correlations <\/td>\n<\/tr>\n
81<\/td>\nFig. 22 Regimes of Free, Forced, and Mixed Convection\u2014 Flow in Horizontal Tubes
Fig. 23 Diagram for Example 10
Heat Exchangers
Mean Temperature Difference Analysis
NTU-Effectiveness (e) Analysis <\/td>\n<\/tr>\n
82<\/td>\nTable 10 Equations for Computing Heat Exchanger Effectiveness, N = NTU <\/td>\n<\/tr>\n
83<\/td>\nFig. 24 Cross Section of Double-Pipe Heat Exchanger in Example 11
Plate Heat Exchangers
Fig. 25 Plate Parameters <\/td>\n<\/tr>\n
84<\/td>\nTable 11 Single-Phase Heat Transfer and Pressure Drop Correlations for Plate Exchangers
Heat Exchanger Transients
Heat Transfer Augmentation <\/td>\n<\/tr>\n
85<\/td>\nPassive Techniques
Fig. 26 Overall Air-Side Thermal Resistance and Pressure Drop for One-Row Coils
Fig. 27 Typical Tube-Side Enhancements <\/td>\n<\/tr>\n
86<\/td>\nFig. 28 Turbulators for Fire-Tube Boilers
Fig. 29 Enhanced Surfaces for Gases <\/td>\n<\/tr>\n
87<\/td>\nTable 12 Equations for Augmented Forced Convection (Single Phase) <\/td>\n<\/tr>\n
88<\/td>\nTable 13 Microchannel Dimensions
Fig. 30 Typical Refrigerant and Air-Side Flow Passages in Compact Automotive Microchannel Heat Exchanger
Active Techniques
Table 14 Active Heat Transfer Augmentation Techniques and Most Relevant Heat Transfer Modes
Table 15 Worldwide Status of Active Techniques <\/td>\n<\/tr>\n
89<\/td>\nFig. 31 Microchannel Dimensions
Table 16 Selected Studies on Mechanical Aids, Suction, and Injection <\/td>\n<\/tr>\n
90<\/td>\nTable 17 Selected Studies on Rotation
Table 18 Selected Previous Work with EHD Enhancement of Single-Phase Heat Transfer
Fig. 32 Ratio of Heat Transfer Coefficient with EHD to Coefficient Without EHD as Function of Distance from Front of Module <\/td>\n<\/tr>\n
91<\/td>\nFig. 33 Heat Transfer Coefficients (With and Without EHD) as Functions of Reynolds Number
Symbols
Greek
Subscripts <\/td>\n<\/tr>\n
92<\/td>\nReferences <\/td>\n<\/tr>\n
94<\/td>\nBibliography
Fins
Heat Exchangers <\/td>\n<\/tr>\n
95<\/td>\nHeat Transfer, General <\/td>\n<\/tr>\n
97<\/td>\nSI_F13_Ch05
Fig. 1 Characteristic Pool Boiling Curve
Boiling
Boiling and Pool Boiling in Natural Convection Systems <\/td>\n<\/tr>\n
98<\/td>\nFig. 2 Effect of Surface Roughness on Temperature in Pool Boiling of Pentane
Fig. 3 Correlation of Pool Boiling Data in Terms of Reduced Pressure <\/td>\n<\/tr>\n
99<\/td>\nTable 1 Equations for Natural Convection Boiling Heat Transfer
Maximum Heat Flux and Film Boiling <\/td>\n<\/tr>\n
100<\/td>\nBoiling\/Evaporation in Tube Bundles
Table 2 Correlations for Local Heat Transfer Coefficients in Horizontal Tube Bundles <\/td>\n<\/tr>\n
101<\/td>\nFig. 4 Boiling Heat Transfer Coefficients for Flooded Evaporator
Forced-Convection Evaporation in Tubes
Fig. 5 Flow Regimes in Typical Smooth Horizontal Tube Evaporator <\/td>\n<\/tr>\n
102<\/td>\nFig. 6 Heat Transfer Coefficient Versus Vapor Fraction for Partial Evaporation <\/td>\n<\/tr>\n
103<\/td>\nTable 3 Equations for Forced Convection Boiling in Tubes <\/td>\n<\/tr>\n
105<\/td>\nFig. 7 Film Boiling Correlation
Boiling in Plate Heat Exchangers (PHEs) <\/td>\n<\/tr>\n
106<\/td>\nCondensing
Condensation on Inside Surface of Horizontal Tubes <\/td>\n<\/tr>\n
107<\/td>\nTable 4 Heat Transfer Coefficients for Film-Type Condensation <\/td>\n<\/tr>\n
108<\/td>\nFig. 8 Origin of Noncondensable Resistance <\/td>\n<\/tr>\n
109<\/td>\nOther Impurities
Pressure Drop
Friedel Correlation
Table 5 Constants in Equation (22d) for Different Void Fraction Correlations <\/td>\n<\/tr>\n
110<\/td>\nLockhart and Martinelli Correlation
Gr\u00f6nnerud Correlation
M\u00fcller-Steinhagen and Heck Correlation <\/td>\n<\/tr>\n
111<\/td>\nFig. 9 Qualitative Pressure Drop Characteristics of Two-Phase Flow Regime
Recommendations
Pressure Drop in Microchannels <\/td>\n<\/tr>\n
112<\/td>\nTable 6 Constant and Exponents in Correlation of Lee and Lee (2001)
Pressure Drop in Plate Heat Exchangers
Enhanced Surfaces. <\/td>\n<\/tr>\n
113<\/td>\nFig. 10 Pressure Drop Characteristics of Two-Phase Flow: Variation of Two-Phase Multiplier with Lockhart-Martinelli Parameter <\/td>\n<\/tr>\n
114<\/td>\nFig. 11 Schematic Flow Representation of a Typical Force- Fed Microchannel Heat Sink (FFMHS)
Fig. 12 Thermal Performance Comparison of Different High-Heat-Flux Cooling Technologies
Symbols <\/td>\n<\/tr>\n
115<\/td>\nReferences <\/td>\n<\/tr>\n
118<\/td>\nBibliography <\/td>\n<\/tr>\n
119<\/td>\nSI_F13_Ch06
Molecular Diffusion
Fick\u2019s Law
Fick\u2019s Law for Dilute Mixtures <\/td>\n<\/tr>\n
120<\/td>\nFick\u2019s Law for Mass Diffusion Through Solids or Stagnant Fluids (Stationary Media)
Fick\u2019s Law for Ideal Gases with Negligible Temperature Gradient
Diffusion Coefficient
Table 1 Mass Diffusivities for Gases in Air* <\/td>\n<\/tr>\n
121<\/td>\nDiffusion of One Gas Through a Second Stagnant Gas
Fig. 1 Diffusion of Water Vapor Through Stagnant Air <\/td>\n<\/tr>\n
122<\/td>\nFig. 2 Pressure Profiles for Diffusion of Water Vapor Through Stagnant Air
Equimolar Counterdiffusion
Fig. 3 Equimolar Counterdiffusion
Molecular Diffusion in Liquids and Solids <\/td>\n<\/tr>\n
123<\/td>\nConvection of Mass
Mass Transfer Coefficient
Fig. 4 Nomenclature for Convective Mass Transfer from External Surface at Location x Where Surface Is Impermeable to Gas A
Fig. 5 Nomenclature for Convective Mass Transfer from Internal Surface Impermeable to Gas A <\/td>\n<\/tr>\n
124<\/td>\nAnalogy Between Convective Heat and Mass Transfer
Fig. 6 Water-Saturated Flat Plate in Flowing Airstream <\/td>\n<\/tr>\n
125<\/td>\nFig. 7 Mass Transfer from Flat Plate
Fig. 8 Vaporization and Absorption in Wetted-Wall Column
Fig. 9 Mass Transfer from Single Cylinders in Crossflow <\/td>\n<\/tr>\n
126<\/td>\nFig. 10 Mass Transfer from Single Spheres
Fig. 11 Sensible Heat Transfer j-Factors for Parallel Plate Exchanger <\/td>\n<\/tr>\n
127<\/td>\nLewis Relation
Simultaneous Heat and Mass Transfer Between Water-Wetted Surfaces and Air
Enthalpy Potential <\/td>\n<\/tr>\n
128<\/td>\nBasic Equations for Direct-Contact Equipment
Fig. 12 Air Washer Spray Chamber <\/td>\n<\/tr>\n
129<\/td>\nFig. 13 Air Washer Humidification Process on Psychrometric Chart
Air Washers
Fig. 14 Graphical Solution for Air-State Path in Parallel Flow Air Washer <\/td>\n<\/tr>\n
130<\/td>\nFig. 15 Graphical Solution of \u00f2 dh\/(hi \u2013 h)
Cooling Towers
Cooling and Dehumidifying Coils <\/td>\n<\/tr>\n
131<\/td>\nFig. 16 Graphical Solution for Air-State Path in Dehumidifying Coil with Constant Refrigerant Temperature
Symbols <\/td>\n<\/tr>\n
132<\/td>\nReferences
Bibliography <\/td>\n<\/tr>\n
133<\/td>\nSI_F13_Ch07
Terminology
Fig. 1 Example of Feedback Control: Discharge Air Temperature Control <\/td>\n<\/tr>\n
134<\/td>\nFig. 2 Block Diagram of Discharge Air Temperature Control
Fig. 3 Process Subjected to Step Input
Types of Control Action
Two-Position Action
Fig. 4 Two-Position Control
Modulating Control <\/td>\n<\/tr>\n
135<\/td>\nFig. 5 Proportional Control Showing Variations in Controlled Variable as Load Changes
Fig. 6 Proportional plus Integral (PI) Control
Combinations of Two-Position and Modulating <\/td>\n<\/tr>\n
136<\/td>\nFig. 7 Floating Control Showing Variations in Controlled Variable as Load Changes
Classification by Energy Source
Computers for Automatic Control
Control Components
Controlled Devices
Valves
Fig. 8 Typical Three-Way Mixing and Diverting Globe Valves <\/td>\n<\/tr>\n
137<\/td>\nFig. 9 Typical Single- and Double-Seated Two-Way Globe Valves
Fig. 10 Typical Flow Characteristics of Valves
Fig. 11 Typical Performance Curves for Linear Devices at Various Percentages of Total System Pressure Drop <\/td>\n<\/tr>\n
138<\/td>\nDampers
Fig. 12 Typical Multiblade Dampers <\/td>\n<\/tr>\n
139<\/td>\nFig. 13 Characteristic Curves of Installed Dampers in an AMCA 5.3 Geometry
Fig. 14 Inherent Curves for Partially Ducted and Louvered Dampers (RP-1157) <\/td>\n<\/tr>\n
140<\/td>\nFig. 15 Inherent Curves for Ducted and Plenum-Mounted Dampers (RP-1157)
Pneumatic Positive (Pilot) Positioners
Sensors and Transmitters <\/td>\n<\/tr>\n
141<\/td>\nTemperature Sensors
Humidity Sensors and Transmitters <\/td>\n<\/tr>\n
142<\/td>\nPressure Transmitters and Transducers
Flow Rate Sensors
Indoor Air Quality Sensors
Lighting Level Sensors
Power Sensing and Transmission
Controllers
Digital Controllers <\/td>\n<\/tr>\n
143<\/td>\nElectric\/Electronic Controllers
Pneumatic Receiver-Controllers
Thermostats
Auxiliary Control Devices <\/td>\n<\/tr>\n
144<\/td>\nFig. 16 Dead-Band Thermostat
Relays
Equipment Status
Switches
Timers\/Time Clocks
Transducers <\/td>\n<\/tr>\n
145<\/td>\nFig. 17 Response of Electronic-to-Pneumatic Transducer (EPT)
Fig. 18 Electronic and Pneumatic Control Components Combined with Electronic-to-Pneumatic Transducer (EPT)
Other Auxiliary Control Devices
Fig. 19 Retrofit of Existing Pneumatic Control with Electronic Sensors and Controllers <\/td>\n<\/tr>\n
146<\/td>\nCommunication Networks for Building Automation Systems
Communication Protocols
OSI Network Model
Network Structure <\/td>\n<\/tr>\n
147<\/td>\nFig. 20 OSI Reference Model
Fig. 21 Hierarchical Network <\/td>\n<\/tr>\n
148<\/td>\nConnections Between BAS Networks and Other Computer Networks
Transmission Media
Table 1 Comparison of Fiber Optic Technology <\/td>\n<\/tr>\n
149<\/td>\nSpecifying BAS Networks
Specification Method
Communication Tasks
Approaches to Interoperability <\/td>\n<\/tr>\n
150<\/td>\nTable 2 Some Standard Communication Protocols Applicable to BAS
Standard Protocols
Gateways and Interfaces
Specifying Building Automation Systems
Commissioning
Tuning
Tuning Proportional, PI, and PID Controllers <\/td>\n<\/tr>\n
151<\/td>\nFig. 22 Response of Discharge Air Temperature to Step Change in Set Points at Various Proportional Constants with No Integral Action
Fig. 23 Open-Loop Step Response Versus Time
Tuning Digital Controllers <\/td>\n<\/tr>\n
152<\/td>\nFig. 24 Response of Discharge Air Temperature to Step Change in Set Points at Various Integral Constants with Fixed Proportional Constant
Computer Modeling of Control Systems
Codes and Standards
References
Bibliography <\/td>\n<\/tr>\n
155<\/td>\nSI_F13_Ch08
Acoustical Design Objective
Characteristics of Sound
Levels
Sound Pressure and Sound Pressure Level
Table 1 Typical Sound Pressures and Sound Pressure Levels <\/td>\n<\/tr>\n
156<\/td>\nFrequency
Speed
Wavelength
Table 2 Examples of Sound Power Outputs and Sound Power Levels
Sound Power and Sound Power Level
Sound Intensity and Sound Intensity Level <\/td>\n<\/tr>\n
157<\/td>\nCombining Sound Levels
Table 3 Combining Two Sound Levels
Resonances
Absorption and Reflection of Sound <\/td>\n<\/tr>\n
158<\/td>\nRoom Acoustics
Acoustic Impedance
Measuring Sound
Instrumentation
Time Averaging
Spectra and Analysis Bandwidths <\/td>\n<\/tr>\n
159<\/td>\nTable 4 Midband and Approximate Upper and Lower Cutoff Frequencies for Octave and 1\/3 Octave Band Filters
Fig. 1 Curves Showing A- and C-Weighting Responses for Sound Level Meters
Table 5 A-Weighting for 1\/3 Octave and Octave Bands
Sound Measurement Basics <\/td>\n<\/tr>\n
160<\/td>\nTable 6 Combining Decibels to Determine Overall Sound Pressure Level
Table 7 Guidelines for Determining Equipment Sound Levels in the Presence of Contaminating Background Sound
Measurement of Room Sound Pressure Level <\/td>\n<\/tr>\n
161<\/td>\nMeasurement of Acoustic Intensity
Determining Sound Power
Free-Field Method
Reverberation Room Method <\/td>\n<\/tr>\n
162<\/td>\nProgressive Wave (In-Duct) Method
Sound Intensity Method
Measurement Bandwidths for Sound Power
Converting from Sound Power to Sound Pressure <\/td>\n<\/tr>\n
163<\/td>\nSound Transmission Paths
Spreading Losses
Direct Versus Reverberant Fields
Airborne Transmission <\/td>\n<\/tr>\n
164<\/td>\nDuctborne Transmission
Room-to-Room Transmission
Structureborne Transmission
Flanking Transmission
Typical Sources of Sound
Source Strength
Directivity of Sources
Acoustic Nearfield <\/td>\n<\/tr>\n
165<\/td>\nControlling Sound
Terminology
Enclosures and Barriers
Partitions <\/td>\n<\/tr>\n
166<\/td>\nFig. 2 Sound Transmission Loss Spectra for Single Layers of Some Common Materials
Fig. 3 Contour for Determining Partition\u2019s STC <\/td>\n<\/tr>\n
167<\/td>\nSound Attenuation in Ducts and Plenums
Standards for Testing Duct Silencers
System Effects <\/td>\n<\/tr>\n
168<\/td>\nHuman Response to Sound
Noise
Predicting Human Response to Sound
Sound Quality
Loudness
Fig. 4 Free-Field Equal Loudness Contours for Pure Tones <\/td>\n<\/tr>\n
169<\/td>\nFig. 5 Equal Loudness Contours for Relatively Narrow Bands of Random Noise
Table 8 Subjective Effect of Changes in Sound Pressure Level, Broadband Sounds (Frequency 250 \u00b3 Hz)
Acceptable Frequency Spectrum
Fig. 6 Frequencies at Which Various Types of Mechanical and Electrical Equipment Generally Control Sound Spectra
Sound Rating Systems and Acoustical Design Goals <\/td>\n<\/tr>\n
170<\/td>\nA-Weighted Sound Level (dBA)
Noise Criteria (NC) Method
Fig. 7 NC (Noise Criteria) Curves and Sample Spectrum (Curve with Symbols)
Room Criterion (RC) Method
Criteria Selection Guidelines <\/td>\n<\/tr>\n
171<\/td>\nFig. 8 Single-Degree-of-Freedom System
Fundamentals of Vibration
Single-Degree-of-Freedom Model
Mechanical Impedance
Natural Frequency
Fig. 9 Vibration Transmissibility T as Function of fd \/ fn <\/td>\n<\/tr>\n
172<\/td>\nFig. 10 Effect of Mass on Transmissibility
Practical Application for Nonrigid Foundations
Fig. 11 Two-Degrees-of-Freedom System
Vibration Measurement Basics <\/td>\n<\/tr>\n
173<\/td>\nFig. 12 Transmissibility T as Function of fd \/fn1 with k2 \/k1 = 2 and M2 \/M1 = 0.5
Fig. 13 Transmissibility T as Function of fd \/fn1 with k2\/k1 = 10 and M2\/M1 = 40
Symbols <\/td>\n<\/tr>\n
174<\/td>\nReferences
Bibliography <\/td>\n<\/tr>\n
177<\/td>\nSI_F13_Ch09
Human Thermoregulation <\/td>\n<\/tr>\n
178<\/td>\nEnergy Balance
Fig. 1 Thermal Interaction of Human Body and Environment
Thermal Exchanges with Environment <\/td>\n<\/tr>\n
179<\/td>\nBody Surface Area
Sensible Heat Loss from Skin
Evaporative Heat Loss from Skin <\/td>\n<\/tr>\n
180<\/td>\nRespiratory Losses
Alternative Formulations <\/td>\n<\/tr>\n
181<\/td>\nTable 1 Parameters Used to Describe Clothing
Table 2 Relationships Between Clothing Parameters
Table 3 Skin Heat Loss Equations
Total Skin Heat Loss <\/td>\n<\/tr>\n
182<\/td>\nFig. 2 Constant Skin Heat Loss Line and Its Relationship to toh and ET*
Engineering Data and Measurements
Metabolic Rate and Mechanical Efficiency
Table 4 Typical Metabolic Heat Generation for Various Activities <\/td>\n<\/tr>\n
183<\/td>\nTable 5 Heart Rate and Oxygen Consumption at Different Activity Levels
Heat Transfer Coefficients <\/td>\n<\/tr>\n
184<\/td>\nClothing Insulation and Permeation Efficiency
Table 6 Equations for Convection Heat Transfer Coefficients
Table 7 Typical Insulation and Permeability Values for Clothing Ensembles <\/td>\n<\/tr>\n
185<\/td>\nTable 8 Garment Insulation Values <\/td>\n<\/tr>\n
186<\/td>\nTotal Evaporative Heat Loss
Environmental Parameters <\/td>\n<\/tr>\n
187<\/td>\nFig. 3 Mean Value of Angle Factor Between Seated Person and Horizontal or Vertical Rectangle when Person Is Rotated Around Vertical Axis
Fig. 4 Analytical Formulas for Calculating Angle Factor for Small Plane Element
Conditions for Thermal Comfort <\/td>\n<\/tr>\n
188<\/td>\nTable 9 Equations for Predicting Thermal Sensation Y of Men, Women, and Men and Women Combined
Fig. 5 ASHRAE Summer and Winter Comfort Zones <\/td>\n<\/tr>\n
189<\/td>\nFig. 6 Air Speed to Offset Temperatures Above Warm- Temperature Boundaries of Figure 5
Thermal Complaints
Table 10 Model Parameters
Thermal Comfort and Task Performance
Fig. 7 Predicted Rate of Unsolicited Thermal Operating Complaints <\/td>\n<\/tr>\n
190<\/td>\nFig. 8 Relative Performance of Office Work Performance versus Deviation from Optimal Comfort Temperature Tc
Thermal Nonuniform Conditions and Local Discomfort
Asymmetric Thermal Radiation
Fig. 9 Percentage of People Expressing Discomfort due to Asymmetric Radiation
Draft <\/td>\n<\/tr>\n
191<\/td>\nFig. 10 Percentage of People Dissatisfied as Function of Mean Air Velocity
Fig. 11 Draft Conditions Dissatisfying 15% of Population (PD = 15%)
Vertical Air Temperature Difference
Fig. 12 Percentage of Seated People Dissatisfied as Function of Air Temperature Difference Between Head and Ankles <\/td>\n<\/tr>\n
192<\/td>\nWarm or Cold Floors
Fig. 13 Percentage of People Dissatisfied as Function of Floor Temperature
Secondary Factors Affecting Comfort
Day-to-Day Variations
Age
Adaptation <\/td>\n<\/tr>\n
193<\/td>\nSex
Seasonal and Circadian Rhythms
Prediction of Thermal Comfort
Steady-State Energy Balance
Fig. 14 Air Velocities and Operative Temperatures at 50% rh Necessary for Comfort (PMV = 0) of Persons in Summer Clothing at Various Levels of Activity <\/td>\n<\/tr>\n
194<\/td>\nFig. 15 Air Temperatures and Mean Radiant Temperatures Necessary for Comfort (PMV = 0) of Sedentary Persons in Summer Clothing at 50% rh
Fig. 16 Predicted Percentage of Dissatisfied (PPD) as Function of Predicted Mean Vote (PMV)
Two-Node Model <\/td>\n<\/tr>\n
195<\/td>\nMultisegment Thermal Physiology and Comfort Models <\/td>\n<\/tr>\n
196<\/td>\nAdaptive Models
Zones of Comfort and Discomfort
Fig. 17 Effect of Environmental Conditions on Physiological Variables
Fig. 18 Effect of Thermal Environment on Discomfort
Environmental Indices <\/td>\n<\/tr>\n
197<\/td>\nEffective Temperature
Fig. 19 Effective Temperature ET* and Skin Wettedness w
Humid Operative Temperature
Heat Stress Index
Index of Skin Wettedness <\/td>\n<\/tr>\n
198<\/td>\nTable 11 Evaluation of Heat Stress Index
Wet-Bulb Globe Temperature
Fig. 20 Recommended Heat Stress Exposure Limits for Heat Acclimatized Workers
Wet-Globe Temperature <\/td>\n<\/tr>\n
199<\/td>\nTable 12 Equivalent Wind Chill Temperatures of Cold Environments
Wind Chill Index
Special Environments
Infrared Heating
Fig. 21 Variation in Skin Reflection and Absorptivity for Blackbody Heat Sources <\/td>\n<\/tr>\n
200<\/td>\nFig. 22 Comparing Thermal Inertia of Fat, Bone, Moist Muscle, and Excised Skin to That of Leather and Water
Fig. 23 Thermal Inertias of Excised, Bloodless, and Normal Living Skin <\/td>\n<\/tr>\n
201<\/td>\nComfort Equations for Radiant Heating
Personal Environmental Control (PEC) Systems <\/td>\n<\/tr>\n
202<\/td>\nFig. 24 Recommended Temperature Set Points for HVAC with PEC Systems and Energy Savings from Extending HVAC Temperature Set Points
Hot and Humid Environments
Fig. 25 Schematic Design of Heat Stress and Heat Disorders <\/td>\n<\/tr>\n
203<\/td>\nFig. 25 Acclimatization to Heat Resulting from Daily Exposure of Five Subjects to Extremely Hot Room
Extremely Cold Environments <\/td>\n<\/tr>\n
204<\/td>\nSymbols <\/td>\n<\/tr>\n
205<\/td>\nCodes and Standards
References <\/td>\n<\/tr>\n
208<\/td>\nBibliography <\/td>\n<\/tr>\n
209<\/td>\nSI_F13_Ch10
Background <\/td>\n<\/tr>\n
210<\/td>\nTable 1 Selected Illnesses Related to Exposure in Buildings <\/td>\n<\/tr>\n
211<\/td>\nDescriptions of Selected Health Sciences
Epidemiology and Biostatistics
Industrial, Occupational, and Environmental Medicine or Hygiene
Microbiology
Toxicology <\/td>\n<\/tr>\n
212<\/td>\nHazard Recognition, Analysis, and Control
Hazard Control
Airborne Contaminants
Particles <\/td>\n<\/tr>\n
213<\/td>\nIndustrial Environments
Synthetic Vitreous Fibers <\/td>\n<\/tr>\n
214<\/td>\nTable 2 OSHA Permissible Exposure Limits (PELs) for Particles
Combustion Nuclei
Particles in Nonindustrial Environments <\/td>\n<\/tr>\n
215<\/td>\nBioaerosols <\/td>\n<\/tr>\n
217<\/td>\nTable 3 Pathogens with Potential for Airborne Transmission <\/td>\n<\/tr>\n
218<\/td>\nGaseous Contaminants
Industrial Environments <\/td>\n<\/tr>\n
219<\/td>\nTable 4 Comparison of Indoor Environment Standards and Guidelines
Nonindustrial Environments <\/td>\n<\/tr>\n
221<\/td>\nTable 5 Selected SVOCs Found in Indoor Environments <\/td>\n<\/tr>\n
222<\/td>\nTable 6 Indoor Concentrations and Body Burden of Selected Semivolatile Organic Compounds <\/td>\n<\/tr>\n
224<\/td>\nTable 7 Inorganic Gas Comparative Criteria
Outdoor Air Ventilation and Health <\/td>\n<\/tr>\n
225<\/td>\nPhysical Agents
Thermal Environment
Range of Healthy Living Conditions
Fig. 1 Related Human Sensory, Physiological, and Health Responses for Prolonged Exposure
Hypothermia <\/td>\n<\/tr>\n
226<\/td>\nHyperthermia
Seasonal Patterns
Increased Deaths in Heat Waves
Fig. 2 Isotherms for Comfort, Discomfort, Physiological Strain, Effective Temperature (ET*), and Heat Stroke Danger Threshold <\/td>\n<\/tr>\n
227<\/td>\nEffects of Thermal Environment on Specific Diseases
Injury from Hot and Cold Surfaces
Table 8 Approximate Surface Temperature Limits to Avoid Pain and Injury
Electrical Hazards
Mechanical Energies
Vibration <\/td>\n<\/tr>\n
228<\/td>\nFig. 3 Factors Affecting Acceptability of Building Vibration
Standard Limits
Fig. 4 Acceleration Perception Thresholds and Acceptability Limits for Horizontal Oscillations <\/td>\n<\/tr>\n
229<\/td>\nFig. 5 Median Perception Thresholds to Horizontal (Solid Lines) and Vertical (Dashed Line) Vibrations
Table 9 Ratios of Acceptable to Threshold Vibration Levels
Sound and Noise
Fig. 6 Mechanical Energy Spectrum <\/td>\n<\/tr>\n
230<\/td>\nFig. 7 Electromagnetic Spectrum
Electromagnetic Radiation
Table 10 Energy, Wavelength, and Frequency Ranges for Electromagnetic Radiation
Ionizing Radiation
Table 11 Action Levels for Radon Concentration Indoors <\/td>\n<\/tr>\n
231<\/td>\nNonionizing Radiation
Fig. 8 Maximum Permissible Levels of Radio Frequency Radiation for Human Exposure <\/td>\n<\/tr>\n
232<\/td>\nErgonomics
References <\/td>\n<\/tr>\n
237<\/td>\nBibliography <\/td>\n<\/tr>\n
239<\/td>\nSI_F13_Ch11
Classes of Air Contaminants <\/td>\n<\/tr>\n
240<\/td>\nParticulate Contaminants
Particulate Matter
Solid Particles
Liquid Particles
Complex Particles
Sizes of Airborne Particles <\/td>\n<\/tr>\n
241<\/td>\nFig. 1 Typical Outdoor Aerosol Composition by Particle Size Fraction
Fig. 2 Relative Deposition Efficiencies of Different-Sized Particles in the Three Main Regions of the Human Respiratory System, Calculated for Moderate Activity Level <\/td>\n<\/tr>\n
242<\/td>\nFig. 3 Sizes of Indoor Particles
Particle Size Distribution <\/td>\n<\/tr>\n
243<\/td>\nTable 1 Approximate Particle Sizes and Time to Settle 1 m
Table 2 Relation of Screen Mesh to Sieve Opening Size
Fig. 4 Typical Urban Outdoor Distributions of Ultrafine or Nuclei (n) Particles, Fine or Accumulation (a) Particles, and Coarse (c) Particles
Units of Measurement
Measurement of Airborne Particles <\/td>\n<\/tr>\n
244<\/td>\nTypical Particle Levels
Bioaerosols <\/td>\n<\/tr>\n
245<\/td>\nTable 3 Common Molds on Water-Damaged Building Materials <\/td>\n<\/tr>\n
246<\/td>\nTable 4 Example Case of Airborne Fungi in Building and Outdoor Air
Controlling Exposures to Particulate Matter
Gaseous Contaminants
Harmful Effects of Gaseous Contaminants <\/td>\n<\/tr>\n
247<\/td>\nTable 5 Major Chemical Families of Gaseous Air Contaminants <\/td>\n<\/tr>\n
248<\/td>\nTable 6 Characteristics of Selected Gaseous Air Contaminants
Units of Measurement <\/td>\n<\/tr>\n
249<\/td>\nMeasurement of Gaseous Contaminants
Table 7 Gaseous Contaminant Sample Collection Techniques <\/td>\n<\/tr>\n
250<\/td>\nTable 8 Analytical Methods to Measure Gaseous Contaminant Concentration
Volatile Organic Compounds <\/td>\n<\/tr>\n
251<\/td>\nTable 9 Classification of Indoor Organic Contaminants by Volatility <\/td>\n<\/tr>\n
252<\/td>\nTable 10 VOCs Commonly Found in Buildings
Controlling Exposure to VOCs
Semivolatile Organic Compounds
Inorganic Gases <\/td>\n<\/tr>\n
253<\/td>\nControlling Exposures to Inorganic Gases
Air Contaminants by Source
Outdoor Air Contaminants
Industrial Air Contaminants <\/td>\n<\/tr>\n
254<\/td>\nTable 11 Typical U.S. Outdoor Concentrations of Selected Gaseous Air Contaminants
Table 12 National Ambient Air Quality Standards for the United States
Nonindustrial Indoor Air Contaminants <\/td>\n<\/tr>\n
255<\/td>\nTable 13 Sources and Indoor and Outdoor Concentrations of Selected Indoor Contaminants <\/td>\n<\/tr>\n
256<\/td>\nFlammable Gases and Vapors
Combustible Dusts <\/td>\n<\/tr>\n
257<\/td>\nTable 14 Flammable Limits of Some Gases and Vapors
Radioactive Air Contaminants
Radon <\/td>\n<\/tr>\n
258<\/td>\nSoil Gases
References <\/td>\n<\/tr>\n
261<\/td>\nBibliography <\/td>\n<\/tr>\n
263<\/td>\nSI_F13_Ch12
Odor Sources
Sense of Smell
Olfactory Stimuli
Table 1 Odor Thresholds, ACGIH TLVs, and TLV\/Threshold Ratios of Selected Gaseous Air Pollutants <\/td>\n<\/tr>\n
264<\/td>\nAnatomy and Physiology
Olfactory Acuity
Factors Affecting Odor Perception
Humidity and Temperature
Sorption and Release of Odors
Emotional Responses to Odors <\/td>\n<\/tr>\n
265<\/td>\nOdor Sensation Attributes
Detectability
Intensity <\/td>\n<\/tr>\n
266<\/td>\nTable 2 Examples of Category Scales
Fig. 1 Standardized Function Relating Perceived Magnitude to Concentration of 1-Butanol
Fig. 2 Labeled Magnitude Scale
Fig. 3 Panelist Using Dravnieks Binary Dilution Olfactometer
Character <\/td>\n<\/tr>\n
267<\/td>\nFig. 4 Matching Functions Obtained with Dravnieks Olfactometer
Hedonics
Dilution of Odors by Ventilation
Odor Concentration
Analytical Measurement
Odor Units <\/td>\n<\/tr>\n
268<\/td>\nOlf Units
Fig. 5 Percentage of Dissatisfied Persons as a Function of Ventilation Rate per Standard Person (i.e., per Olf)
Table 3 Sensory Pollution Load from Different Pollution Sources
References <\/td>\n<\/tr>\n
270<\/td>\nBibliography <\/td>\n<\/tr>\n
271<\/td>\nSI_F13_Ch13 <\/td>\n<\/tr>\n
295<\/td>\nSI_F13_Ch14 <\/td>\n<\/tr>\n
343<\/td>\nSI_F13_Ch15
Fenestration Components
Fig. 1 Construction Details of Typical Double-Glazing Unit
Glazing Units <\/td>\n<\/tr>\n
344<\/td>\nFraming
Shading <\/td>\n<\/tr>\n
345<\/td>\nFig. 2 Various Framing Configurations for Residential Fenestration
Determining Fenestration Energy Flow
U-Factor (Thermal Transmittance)
Determining Fenestration U-Factors
Center-of-Glass U-Factor <\/td>\n<\/tr>\n
346<\/td>\nFig. 3 Center-of-Glass U-Factor for Vertical Double- and Triple-Pane Glazing Units
Edge-of-Glass U-Factor
Frame U-Factor <\/td>\n<\/tr>\n
347<\/td>\nTable 1 Representative Fenestration Frame U-Factors in W\/(m2 \u00b7 K), Vertical Orientation
Curtain Wall Construction
Surface and Cavity Heat Transfer Coefficients <\/td>\n<\/tr>\n
348<\/td>\nTable 2 Indoor Surface Heat Transfer Coefficient hi in W\/(m2 \u00b7 K), Vertical Orientation (Still Air Conditions) <\/td>\n<\/tr>\n
349<\/td>\nTable 3 Air Space Coefficients for Horizontal Heat Flow <\/td>\n<\/tr>\n
350<\/td>\nTable 4 U-Factors for Various Fenestration Products in W\/(m2 \u00b7 K) <\/td>\n<\/tr>\n
351<\/td>\nTable 4 U-Factors for Various Fenestration Products in W\/(m2 \u00b7 K) (Concluded ) <\/td>\n<\/tr>\n
352<\/td>\nFig. 4 Frame Widths for Standard Fenestration Units
Table 5 Glazing U-Factors for Various Wind Speeds in W\/(m2 \u00b7 K) <\/td>\n<\/tr>\n
353<\/td>\nRepresentative U-Factors for Doors <\/td>\n<\/tr>\n
354<\/td>\nTable 6 Design U-Factors of Swinging Doors in W\/(m2 \u00b7 K)
Table 7 Design U-factors for Revolving Doors in W\/(m2\u00b7K)
Table 8 Design U-factors for Double-Skin Steel Emergency Exit Doors in W\/(m2\u00b7K)
Fig. 5 Details of Stile-and-Rail Door <\/td>\n<\/tr>\n
355<\/td>\nTable 9 Design U-factors for Double-Skin Steel Garage and Aircraft Hanger Doors in W\/(m2\u00b7K)
Solar Heat Gain and Visible Transmittance
Solar-Optical Properties of Glazing
Optical Properties of Single Glazing Layers <\/td>\n<\/tr>\n
356<\/td>\nFig. 6 Optical Properties of a Single Glazing Layer
Fig. 7 Transmittance and Reflectance of Glass Plate
Fig. 8 Variations with Incident Angle of Solar-Optical Properties for (A) Double-Strength Sheet Glass, (B) Clear Plate Glass, and (C) Heat-Absorbing Plate Glass
Fig. 9 Spectral Transmittances of Commercially Available Glazings <\/td>\n<\/tr>\n
357<\/td>\nFig. 10 Spectral Transmittances and Reflectances of Strongly Spectrally Selective Commercially Available Glazings
Optical Properties of Glazing Systems <\/td>\n<\/tr>\n
358<\/td>\nFig. 11 Solar Spectrum, Human Eye Response Spectrum, Scaled Blackbody Radiation Spectrum, and Idealized Glazing Reflectance Spectrum
Fig. 12 Demonstration of Two Spectrally Selective Glazing Concepts, Showing Ideal Spectral Transmittances for Glazings Intended for Hot and Cold Climates <\/td>\n<\/tr>\n
359<\/td>\nSolar Heat Gain Coefficient
Calculation of Solar Heat Gain Coefficient <\/td>\n<\/tr>\n
360<\/td>\nDiffuse Radiation
Fig. 13 Components of Solar Radiant Heat Gain with Double-Pane Fenestration, Including Both Frame and Glazing Contributions
Solar Gain Through Frame and Other Opaque Elements
Solar Heat Gain Coefficient, Visible Transmittance, and Spectrally Averaged Solar-Optical Property Values <\/td>\n<\/tr>\n
361<\/td>\nTable 10 Visible Transmittance (Tv), Solar Heat Gain Coefficient (SHGC), Solar Transmittance (T ), Front Reflectance (R f ), Back Reflectance (Rb ), and Layer Absorptance (A) for Glazing and Window Systems <\/td>\n<\/tr>\n
369<\/td>\nAirflow Windows
Skylights
Glass Block Walls
Table 11 Solar Heat Gain Coefficients for Domed Horizontal Skylights <\/td>\n<\/tr>\n
370<\/td>\nTable 12 Solar Heat Gain Coefficients for Standard Hollow Glass Block Wall Panels
Plastic Materials for Glazing
Calculation of Solar Heat Gain
Fig. 14 Instantaneous Heat Balance for Sunlit Glazing Material <\/td>\n<\/tr>\n
371<\/td>\nOpaque Fenestration Elements
Shading and Fenestration Attachments
Shading
Overhangs and Glazing Unit Recess: Horizontal and Vertical Projections
Fig. 15 Profile Angle for South-Facing Horizontal Projections <\/td>\n<\/tr>\n
372<\/td>\nFig. 16 Vertical and Horizontal Projections and Related Profile Angles for Vertical Surface Containing Fenestration
Fenestration Attachments <\/td>\n<\/tr>\n
373<\/td>\nSimplified Methodology
Fig. 17 Comparison of IAC and Solar Transmission Values from ASHWAT Model Versus Measurements
Slat-Type Sunshades <\/td>\n<\/tr>\n
374<\/td>\nFig. 18 Geometry of Slat-Type Sunshades
Drapery
Fig. 19 Designation of Drapery Fabrics <\/td>\n<\/tr>\n
375<\/td>\nFig. 20 Drapery Fabric Properties
Roller Shades and Insect Screens
Fig. 21 Geometry of Drapery Fabrics
Visual and Thermal Controls
Operational Effectiveness of Shading Devices <\/td>\n<\/tr>\n
388<\/td>\nTable 13G IAC Values for Draperies, Roller Shades, and Insect Screens (Continued ) <\/td>\n<\/tr>\n
389<\/td>\nTable 13G IAC Values for Draperies, Roller Shades, and Insect Screens (Continued ) <\/td>\n<\/tr>\n
390<\/td>\nIndoor Shading Devices
Table 14 Summary of Environmental Control Capabilities of Draperies <\/td>\n<\/tr>\n
391<\/td>\nFig. 22 Noise Reduction Coefficient Versus Openness Factor for Draperies
Double Drapery
Air Leakage
Infiltration Through Fenestration
Indoor Air Movement <\/td>\n<\/tr>\n
392<\/td>\nDaylighting
Daylight Prediction
Fig. 23 Window-to-Wall Ratio Versus Annual Electricity Use in kWh\/(m2 \u00b7 floor \u00b7 year) <\/td>\n<\/tr>\n
393<\/td>\nLight Transmittance and Daylight Use <\/td>\n<\/tr>\n
394<\/td>\nFig. 24 Visible Transmittance Versus SHGC for Several Glazings with Different Spectral Selectivities
Fig. 25 Visible Transmittance Versus SHGC at Various Spectral Selectivities
Table 15 Spectral Selectivity of Several Glazings <\/td>\n<\/tr>\n
395<\/td>\nSelecting Fenestration
Annual Energy Performance
Simplified Techniques for Rough Estimates of Fenestration Annual Energy Performance
Simplified Residential Annual Energy Performance Ratings <\/td>\n<\/tr>\n
396<\/td>\nCondensation Resistance
Fig. 26 Temperature Distribution on Indoor Surfaces of Glazing Unit <\/td>\n<\/tr>\n
397<\/td>\nFig. 27 Minimum Indoor Surface Temperatures Before Condensation Occurs
Fig. 28 Minimum Condensation Resistance Requirements (th = 20\u00b0C)
Occupant Comfort and Acceptance <\/td>\n<\/tr>\n
398<\/td>\nFig. 29 Location of Fenestration Product Reveals and Blinds\/ Drapes and Their Effect on Condensation Resistance
Fig. 30 Fenestration Effects on Thermal Comfort: Long-Wave Radiation, Solar Radiation, Convective Draft <\/td>\n<\/tr>\n
399<\/td>\nTable 16 Sound Transmittance Loss for Various Types of Glass
Sound Reduction
Strength and Safety
Life-Cycle Costs
Durability <\/td>\n<\/tr>\n
400<\/td>\nSupply and Exhaust Airflow Windows
Codes and Standards
National Fenestration Rating Council (NFRC)
United States Energy Policy Act (EPAct) <\/td>\n<\/tr>\n
401<\/td>\nThe ICC 2012 International Energy Conservation Code
ASHRAE\/IES Standard 90.1-2010
ASHRAE\/USGBC\/IES Standard 189.1-2009
ICC 2012 International Green Construction Code\u2122
Canadian Standards Association (CSA)
Symbols <\/td>\n<\/tr>\n
402<\/td>\nReferences <\/td>\n<\/tr>\n
404<\/td>\nBibliography <\/td>\n<\/tr>\n
405<\/td>\nSI_F13_Ch16
Sustainability Rating Systems
Basic Concepts and Terminology
Ventilation and Infiltration <\/td>\n<\/tr>\n
406<\/td>\nFig. 1 Two-Space Building with Mechanical Ventilation, Infiltration, and Exfiltration
Ventilation Air
Forced-Air Distribution Systems
Fig. 2 Simple All-Air Air-Handling Unit with Associated Airflows
Outdoor Air Fraction <\/td>\n<\/tr>\n
407<\/td>\nRoom Air Movement
Fig. 3 Displacement Flow Within a Space
Fig. 4 Entrainment Flow Within a Space
Fig. 5 Underfloor Air Distribution to Occupied Space Above
Air Exchange Rate <\/td>\n<\/tr>\n
408<\/td>\nTime Constants
Averaging Time-Varying Ventilation
Age of Air <\/td>\n<\/tr>\n
409<\/td>\nAir Change Effectiveness
Tracer Gas Measurements
Decay or Growth <\/td>\n<\/tr>\n
410<\/td>\nConstant Concentration
Constant Injection
Multizone Air Exchange Measurement
Driving Mechanisms for Ventilation and Infiltration
Stack Pressure <\/td>\n<\/tr>\n
411<\/td>\nWind Pressure <\/td>\n<\/tr>\n
412<\/td>\nMechanical Systems
Combining Driving Forces <\/td>\n<\/tr>\n
413<\/td>\nNeutral Pressure Level
Fig. 6 Distribution of Indoor and Outdoor Pressures over Height of Building <\/td>\n<\/tr>\n
414<\/td>\nFig. 7 Compartmentation Effect in Buildings
Thermal Draft Coefficient
Indoor Air Quality <\/td>\n<\/tr>\n
415<\/td>\nProtection from Extraordinary Events
Thermal Loads <\/td>\n<\/tr>\n
416<\/td>\nEffect on Envelope Insulation
Infiltration Degree-Days
Natural Ventilation
Natural Ventilation Openings <\/td>\n<\/tr>\n
417<\/td>\nCeiling Heights
Required Flow for Indoor Temperature Control
Airflow Through Large Intentional Openings
Flow Caused by Wind Only
Flow Caused by Thermal Forces Only <\/td>\n<\/tr>\n
418<\/td>\nFig. 8 Increase in Flow Caused by Excess Area of One Opening over the Other
Natural Ventilation Guidelines
Hybrid Ventilation
Residential Air Leakage
Envelope Leakage Measurement <\/td>\n<\/tr>\n
419<\/td>\nFig. 9 Airflow Rate Versus Pressure Difference Data from Whole-House Pressurization Test
Airtightness Ratings
Conversion Between Ratings <\/td>\n<\/tr>\n
420<\/td>\nBuilding Air Leakage Data
Fig. 10 Envelope Leakage Measurements
Air Leakage of Building Components <\/td>\n<\/tr>\n
421<\/td>\nLeakage Distribution
Multifamily Building Leakage
Controlling Air Leakage <\/td>\n<\/tr>\n
422<\/td>\nResidential Ventilation
Fig. 11 Histogram of Infiltration Values for Then-New Construction
Fig. 12 Histogram of Infiltration Values for Low-Income Housing <\/td>\n<\/tr>\n
423<\/td>\nResidential Ventilation Zones
Fig. 13 Airtightness Zones for Residences in the United States
Shelter in Place <\/td>\n<\/tr>\n
424<\/td>\nSafe Havens
Residential IAQ Control
Source Control <\/td>\n<\/tr>\n
425<\/td>\nLocal Exhaust
Whole-House Ventilation
Table 1 Continuous Exhaust Airflow Rates
Table 2 Intermittent Exhaust Airflow Rates <\/td>\n<\/tr>\n
426<\/td>\nTable 3 Total Ventilation Air Requirements
Air Distribution
Selection Principles for Residential Ventilation Systems
Simplified Models of Residential Ventilation and Infiltration
Empirical Models
Multizone Models <\/td>\n<\/tr>\n
427<\/td>\nSingle-Zone Models
Superposition of Wind and Stack Effects
Residential Calculation Examples
Table 4 Basic Model Stack Coefficient Cs
Table 5 Local Shelter Classes <\/td>\n<\/tr>\n
428<\/td>\nTable 6 Basic Model Wind Coefficient Cw
Table 7 Enhanced Model Wind Speed Multiplier G
Table 8 Enhanced Model Stack and Wind Coefficients <\/td>\n<\/tr>\n
429<\/td>\nTable 9 Enhanced Model Shelter Factor s
Combining Residential Infiltration and Mechanical Ventilation
Typical Practice
Commercial and Institutional Air Leakage
Envelope Leakage <\/td>\n<\/tr>\n
430<\/td>\nAir Leakage Through Internal Partitions
Fig. 14 Air Leakage Rates of Elevator Shaft Walls
Table 10 Air Leakage Areas for Internal Partitions in Commercial Buildings (at 75 Pa and CD = 0.65)
Air Leakage Through Exterior Doors
Air Leakage Through Automatic Doors <\/td>\n<\/tr>\n
431<\/td>\nFig. 15 Air Leakage Rate of Door Versus Average Crack Width
Fig. 16 Airflow Coefficient for Automatic Doors
Fig. 17 Pressure Factor for Automatic Doors <\/td>\n<\/tr>\n
432<\/td>\nAir Exchange Through Air Curtains
Commercial and Institutional Ventilation
Ventilation Rate Procedure
Multiple Spaces <\/td>\n<\/tr>\n
433<\/td>\nSurvey of Ventilation Rates in Office Buildings
Office Building Example
Location
Building
Occupancy
Infiltration <\/td>\n<\/tr>\n
434<\/td>\nLocal Exhausts <\/td>\n<\/tr>\n
435<\/td>\nVentilation <\/td>\n<\/tr>\n
436<\/td>\nSymbols
References <\/td>\n<\/tr>\n
441<\/td>\nBibliography <\/td>\n<\/tr>\n
443<\/td>\nSI_F13_Ch17
Residential Features
Calculation Approach <\/td>\n<\/tr>\n
444<\/td>\nOther Methods
Residential Heat Balance (RHB) Method
Residential Load Factor (RLF) Method <\/td>\n<\/tr>\n
445<\/td>\nTable 1 RLF Limitations
Common Data and Procedures
General Guidelines
Basic Relationships
Design Conditions <\/td>\n<\/tr>\n
446<\/td>\nBuilding Data <\/td>\n<\/tr>\n
447<\/td>\nTable 2 Typical Fenestration Characteristics
Load Components <\/td>\n<\/tr>\n
448<\/td>\nTable 3 Unit Leakage Areas
Table 4 Evaluation of Exposed Surface Area
Table 5 Typical IDF Values, L\/(s \u00b7 cm2) <\/td>\n<\/tr>\n
450<\/td>\nTable 6 Typical Duct Loss\/Gain Factors
Cooling Load
Peak Load Computation
Opaque Surfaces
Slab Floors <\/td>\n<\/tr>\n
451<\/td>\nTable 7 Opaque Surface Cooling Factor Coefficients
Table 8 Roof Solar Absorptance aroof
Transparent Fenestration Surfaces
Table 9 Peak Irradiance Equations
Table 10 Peak Irradiance, W\/m2 <\/td>\n<\/tr>\n
452<\/td>\nTable 11 Exterior Attachment Transmission
Table 12 Shade Line Factors (SLFs)
Table 13 Fenestration Solar Load Factors FFs
Infiltration and Ventilation
Internal Gain
Air Distribution System: Heat Gain
Total Latent Load <\/td>\n<\/tr>\n
453<\/td>\nTable 14 Interior Attenuation Coefficients (IACcl)
Table 15 Summary of RLF Cooling Load Equations
Summary of RLF Cooling Load Equations
Heating Load
Exterior Surfaces Above Grade
Below-Grade and On-Grade Surfaces
Surfaces Adjacent to Buffer Space <\/td>\n<\/tr>\n
454<\/td>\nVentilation and Infiltration
Humidification
Pickup Load
Summary of Heating Load Procedures
Load Calculation Example
Solution
Fig. 1 Example House <\/td>\n<\/tr>\n
455<\/td>\nTable 16 Summary of Heating Load Calculation Equations
Table 17 Example House Characteristics
Table 18 Example House Design Conditions
Table 19 Example House Component Quantities <\/td>\n<\/tr>\n
456<\/td>\nTable 20 Example House Opaque Surface Factors
Table 21 Example House Window Factors
Table 22 Example House Envelope Loads
Table 23 Example House Total Sensible Loads
Symbols <\/td>\n<\/tr>\n
457<\/td>\nReferences <\/td>\n<\/tr>\n
459<\/td>\nSI_F13_Ch18
Cooling Load Calculation Principles
Terminology
Heat Flow Rates <\/td>\n<\/tr>\n
460<\/td>\nFig. 1 Origin of Difference Between Magnitude of Instantaneous Heat Gain and Instantaneous Cooling Load
Time Delay Effect
Cooling Load Calculation Methods
Fig. 2 Thermal Storage Effect in Cooling Load from Lights
Cooling Load Calculations in Practice <\/td>\n<\/tr>\n
461<\/td>\nData Assembly
Internal Heat Gains
People
Lighting
Instantaneous Heat Gain from Lighting <\/td>\n<\/tr>\n
462<\/td>\nTable 1 Representative Rates at Which Heat and Moisture Are Given Off by Human Beings in Different States of Activity <\/td>\n<\/tr>\n
463<\/td>\nTable 2 Lighting Power Densities Using Space-by-Space Method
Fig. 3 Lighting Heat Gain Parameters for Recessed Fluorescent Luminaire Without Lens <\/td>\n<\/tr>\n
464<\/td>\nTable 3 Lighting Heat Gain Parameters for Typical Operating Conditions
Electric Motors
Table 4 Minimum Nominal Full-Load Efficiency for 60 HZ NEMA General Purpose Electric Motors (Subtype I) Rated 600 Volts or Less (Random Wound)*
Overloading or Underloading <\/td>\n<\/tr>\n
465<\/td>\nRadiation and Convection
Appliances
Cooking Appliances
Hospital and Laboratory Equipment <\/td>\n<\/tr>\n
467<\/td>\nOffice Equipment <\/td>\n<\/tr>\n
468<\/td>\nTable 6 Recommended Heat Gain from Typical Medical Equipment
Table 7 Recommended Heat Gain from Typical Laboratory Equipment <\/td>\n<\/tr>\n
469<\/td>\nTable 8 Recommended Heat Gain from Typical Computer Equipment
Table 9 Recommended Heat Gain from Typical Laser Printers and Copiers <\/td>\n<\/tr>\n
470<\/td>\nTable 10 Recommended Heat Gain from Miscellaneous Office Equipment
Fig. 4 Office Equipment Load Factor Comparison
Table 11 Recommended Load Factors for Various Types of Offices
Table 12 Recommended Diversity Factors for Office Equipment
Infiltration and Moisture Migration Heat Gains
Infiltration <\/td>\n<\/tr>\n
471<\/td>\nStandard Air Volumes
Heat Gain Calculations Using Standard Air Values
Elevation Correction Examples
Latent Heat Gain from Moisture Diffusion <\/td>\n<\/tr>\n
472<\/td>\nOther Latent Loads
Fenestration Heat Gain
Fenestration Direct Solar , Diffuse Solar , and Conductive Heat Gains
Exterior Shading
Heat Balance Method <\/td>\n<\/tr>\n
473<\/td>\nAssumptions
Elements
Outdoor-Face Heat Balance
Fig. 5 Schematic of Heat Balance Processes in Zone
Wall Conduction Process <\/td>\n<\/tr>\n
474<\/td>\nFig. 6 Schematic of Wall Conduction Process
Indoor-Face Heat Balance
Using SHGC to Calculate Solar Heat Gain <\/td>\n<\/tr>\n
475<\/td>\nTable 13 Single-Layer Glazing Data Produced by WINDOW 5.2
Air Heat Balance <\/td>\n<\/tr>\n
476<\/td>\nGeneral Zone for Load Calculation
Fig. 7 Schematic View of General Heat Balance Zone
Mathematical Description
Conduction Process
Heat Balance Equations <\/td>\n<\/tr>\n
477<\/td>\nOverall HB Iterative Solution
Input Required <\/td>\n<\/tr>\n
478<\/td>\nRadiant Time Series (RTS) Method
Assumptions and Principles
Overview <\/td>\n<\/tr>\n
479<\/td>\nFig. 8 Overview of Radiant Time Series Method
Fig. 9 CTS for Light to Heavy Walls
RTS Procedure <\/td>\n<\/tr>\n
480<\/td>\nTable 14 Recommended Radiative\/Convective Splits for Internal Heat Gains
Fig. 10 CTS for Walls with Similar Mass and Increasing Insulation
Heat Gain Through Exterior Surfaces
Fig. 11 RTS for Light to Heavy Construction
Sol-Air Temperature <\/td>\n<\/tr>\n
481<\/td>\nTable 15 Solar Absorptance Values of Various Surfaces
Calculating Conductive Heat Gain Using Conduction Time Series
Heat Gain Through Interior Surfaces
Floors <\/td>\n<\/tr>\n
482<\/td>\nTable 16 Wall Conduction Time Series (CTS)
Calculating Cooling Load <\/td>\n<\/tr>\n
483<\/td>\nTable 16 Wall Conduction Time Series (CTS) (Concluded) <\/td>\n<\/tr>\n
484<\/td>\nTable 17 Roof Conduction Time Series (CTS) <\/td>\n<\/tr>\n
485<\/td>\nTable 18 Thermal Properties and Code Numbers of Layers Used in Wall and Roof Descriptions for Tables 16 and 17 <\/td>\n<\/tr>\n
486<\/td>\nHeating Load Calculations
Table 19 Representative Nonsolar RTS Values for Light to Heavy Construction <\/td>\n<\/tr>\n
487<\/td>\nTable 20 Representative Solar RTS Values for Light to Heavy Construction
Table 21 RTS Representative Zone Construction for Tables 19 and 20
Heat Loss Calculations
Outdoor Design Conditions <\/td>\n<\/tr>\n
488<\/td>\nIndoor Design Conditions
Calculation of Transmission Heat Losses
Fig. 12 Heat Flow from Below-Grade Surface
Fig. 13 Ground Temperature Amplitude <\/td>\n<\/tr>\n
489<\/td>\nFig. 14 Below-Grade Parameters
Table 22 Average U-Factor for Basement Walls with Uniform Insulation
Table 23 Average U-Factor for Basement Floors
Table 24 Heat Loss Coefficient Fp of Slab Floor Construction
Infiltration <\/td>\n<\/tr>\n
490<\/td>\nHeating Safety Factors and Load Allowances
Other Heating Considerations
System Heating and Cooling Load Effects
Table 25 Common Sizing Calculations in Other Chapters
Zoning
Ventilation
Air Heat Transport Systems
On\/Off Control Systems
Variable-Air-Volume Systems <\/td>\n<\/tr>\n
491<\/td>\nConstant-Air-Volume Reheat Systems
Mixed Air Systems
Heat Gain from Fans <\/td>\n<\/tr>\n
492<\/td>\nDuct Surface Heat Transfer
Duct Leakage
Ceiling Return Air Plenum Temperatures
Fig. 15 Schematic Diagram of Typical Return Air Plenum <\/td>\n<\/tr>\n
493<\/td>\nCeiling Plenums with Ducted Returns
Underfloor Air Distribution Systems
Plenums in Load Calculations
Central Plant
Piping
Pumps
Example Cooling and Heating Load Calculations <\/td>\n<\/tr>\n
494<\/td>\nTable 26 Summary of RTS Load Calculation Procedures <\/td>\n<\/tr>\n
495<\/td>\nTable 26 Summary of RTS Load Calculation Procedures (Concluded )
Single-Room Example
Room Characteristics <\/td>\n<\/tr>\n
496<\/td>\nFig. 16 Single-Room Example Office
Cooling Loads Using RTS Method <\/td>\n<\/tr>\n
497<\/td>\nTable 27 Monthly\/Hourly Design Temperatures (5% Conditions) for Atlanta, GA, \u00b0C
Table 28 Cooling Load Component: Lighting, kW <\/td>\n<\/tr>\n
501<\/td>\nTable 30 Window Component of Heat Gain (No Blinds or Overhang)
Table 31 Window Component of Cooling Load (No Blinds or Overhang) <\/td>\n<\/tr>\n
502<\/td>\nTable 32 Window Component of Cooling Load (With Blinds and Overhang)
Table 33 Window Component of Cooling Load (With Blinds and Overhang) <\/td>\n<\/tr>\n
503<\/td>\nTable 34 Single-Room Example Cooling Load (July 3:00 pm) for ASHRAE Example Office Building, Atlanta, GA
Single-Room Example Peak Heating Load <\/td>\n<\/tr>\n
504<\/td>\nTable 35 Single-Room Example Peak Cooling Load (Sept. 5:00 pm) for ASHRAE Example Office Building, Atlanta, GA
Whole-Building Example
Design Process and Shell Building Definition <\/td>\n<\/tr>\n
505<\/td>\nTable 36 Block Load Example: Envelope Area Summary, m2
Table 37 Block Load Example\u2014First Floor Loads for ASHRAE Example Office Building, Atlanta, GA <\/td>\n<\/tr>\n
506<\/td>\nTable 38 Block Load Example\u2014Second Floor Loads for ASHRAE Example Office Building, Atlanta, GA
Table 39 Block Load Example\u2014Overall Building Loads for ASHRAE Example Office Building, Atlanta, GA
Tenant Fit Design Process and Definition
Room-by-Room Cooling and Heating Loads <\/td>\n<\/tr>\n
507<\/td>\nConclusions
Previous Cooling Load Calculation Methods
References <\/td>\n<\/tr>\n
509<\/td>\nBibliography <\/td>\n<\/tr>\n
510<\/td>\nBuilding Example Drawings
Fig. 17 First Floor Shell and Core Plan <\/td>\n<\/tr>\n
511<\/td>\nFig. 18 Second Floor Shell and Core Plan <\/td>\n<\/tr>\n
512<\/td>\nFig. 19 East\/West Elevations, Elevation Details, and Perimeter Section <\/td>\n<\/tr>\n
513<\/td>\nFig. 20 First Floor Tenant Plan <\/td>\n<\/tr>\n
514<\/td>\nFig. 21 Second Floor Tenant Plan <\/td>\n<\/tr>\n
515<\/td>\nFig. 22 3D View <\/td>\n<\/tr>\n
517<\/td>\nSI_F13_Ch19
General Considerations
Models and Approaches
Fig. 1 Flow Chart for Building Energy Simulation Program <\/td>\n<\/tr>\n
518<\/td>\nCharacteristics of Models
Forward Models
Data-Driven Models <\/td>\n<\/tr>\n
519<\/td>\nChoosing an Analysis Method
Selecting Energy Analysis Computer Programs
Tools for Energy Analysis <\/td>\n<\/tr>\n
520<\/td>\nTable 1 Classification of Analysis Methods For Building Energy Use
Component Modeling and Loads
Calculating Space Sensible Loads <\/td>\n<\/tr>\n
521<\/td>\nHeat Balance Method
Weighting-Factor Method <\/td>\n<\/tr>\n
522<\/td>\nNormalized Coefficients of Space Air Transfer Functions
Comprehensive Room Transfer Function <\/td>\n<\/tr>\n
523<\/td>\nThermal-Network Methods
Ground Heat Transfer <\/td>\n<\/tr>\n
524<\/td>\nSecondary System Components
Fans, Pumps, and Distribution Systems
Fig. 2 Part-Load Curves for Typical Fan Operating Strategies <\/td>\n<\/tr>\n
525<\/td>\nFig. 3 Fan Part-Load Curve Obtained from Measured Field Data under ASHRAE RP-823
Heat and Mass Transfer Components <\/td>\n<\/tr>\n
526<\/td>\nApplication to Cooling and Dehumidifying Coils
Fig. 4 Psychrometric Schematic of Cooling Coil Processes <\/td>\n<\/tr>\n
527<\/td>\nPrimary System Components
Modeling Strategies <\/td>\n<\/tr>\n
528<\/td>\nTable 2 Correlation Coefficients for Off-Design Relationships
Fig. 5 Possible Part-Load Power Curves
Boiler Model
Fig. 6 Boiler Steady-State Modeling <\/td>\n<\/tr>\n
529<\/td>\nVapor Compression Chiller Models <\/td>\n<\/tr>\n
530<\/td>\nFig. 7 Chiller Model Using Elementary Components
Fig. 8 General Schematic of Compressor
Fig. 9 Schematic of Reciprocating Compressor Model <\/td>\n<\/tr>\n
531<\/td>\nCooling Tower Model
Variable-Speed Vapor-Compression Heat Pump Model
System Modeling
Overall Modeling Strategies <\/td>\n<\/tr>\n
532<\/td>\nFig. 10 Overall Modeling Strategy
Degree-Day and Bin Methods
Balance Point Temperature
Annual Degree-Day Method <\/td>\n<\/tr>\n
533<\/td>\nFig. 11 Cooling Load as Function of Outdoor Temperature to
Fig. 12 Variation of Balance Point Temperature and Internal Gains for a Typical House <\/td>\n<\/tr>\n
534<\/td>\nFig. 13 Annual Heating Days DDh(tbal) as Function of Balance Temperature tbal <\/td>\n<\/tr>\n
535<\/td>\nSources of Degree-Day Data
Bin Method
Fig. 14 Heat Pump Capacity and Building Load <\/td>\n<\/tr>\n
536<\/td>\nTable 3 Sample Annual Bin Data
Table 4 Calculation of Annual Heating Energy Consumption for Example 2
Correlation Methods
Simulating Secondary and Primary Systems <\/td>\n<\/tr>\n
537<\/td>\nModeling of System Controls
Integration of System Models
Fig. 15 Schematic of Variable-Air-Volume System with Reheat <\/td>\n<\/tr>\n
538<\/td>\nFig. 16 Algorithm for Calculating Performance of VAV with System Reheat
Data-Driven Modeling
Categories of Data-Driven Methods
Empirical or \u201cBlack-Box\u201d\u009d Approach
Calibrated Simulation Approach <\/td>\n<\/tr>\n
539<\/td>\nGray-Box Approach
Types of Data-Driven Models
Steady-State Models <\/td>\n<\/tr>\n
540<\/td>\nTable 5 Single-Variate Models Applied to Utility Billing Data
Fig. 17 Steady-State, Single-Variate Models for Modeling Energy Use in Residential and Commercial Buildings <\/td>\n<\/tr>\n
543<\/td>\nDynamic Models
Examples Using Data-Driven Methods
Modeling Utility Bill Data <\/td>\n<\/tr>\n
544<\/td>\nFig. 18 Variable-Base Degree-Day Model Identification Using Electricity Utility Bills at Hospital
Neural Network Models
Fig. 19 Neural Network Prediction of Whole-Building, Hourly Chilled-Water Consumption for Commercial Building <\/td>\n<\/tr>\n
545<\/td>\nTable 6 Capabilities of Different Forward and Data-Driven Modeling Methods
Model Selection
MODEL VALIDATION AND TESTING <\/td>\n<\/tr>\n
546<\/td>\nTable 7 Validation Techniques
Methodological Basis
Empirical Validation <\/td>\n<\/tr>\n
547<\/td>\nAnalytical Verification <\/td>\n<\/tr>\n
548<\/td>\nTable 8 Types of Extrapolation
Combining Empirical, Analytical, and Comparative Techniques
Fig. 20 Validation Method
Testing Model Calibration Techniques Using Synthetic Data <\/td>\n<\/tr>\n
549<\/td>\nFig. 21 Calibration Cases Conceptual Flow <\/td>\n<\/tr>\n
550<\/td>\nReferences <\/td>\n<\/tr>\n
555<\/td>\nBibliography <\/td>\n<\/tr>\n
559<\/td>\nSI_F13_Ch20
Indoor Air Quality and Sustainability
Applicable Standards and Codes <\/td>\n<\/tr>\n
560<\/td>\nFig. 1 Classification of Air Diffusion Methods
Terminology <\/td>\n<\/tr>\n
561<\/td>\nPrinciples of Jet Behavior
Air Jet Fundamentals <\/td>\n<\/tr>\n
562<\/td>\nFig. 2 Airflow Patterns of Different Diffusers
Table 1 Recommended Values for Centerline Velocity Constant Kc for Commercial Supply Outlets for Fully and Partially Mixed Systems, Except UFAD <\/td>\n<\/tr>\n
563<\/td>\nFig. 3 Chart for Determining Centerline Velocities of Axial and Radial Jets
Fig. 4 Cross-Sectional Velocity Profiles for Straight-Flow Turbulent Jets <\/td>\n<\/tr>\n
564<\/td>\nIsothermal Radial Flow Jets
Nonisothermal Jets
Nonisothermal Horizontal Free Jet
Comparison of Free Jet to Attached Jet
Multiple Jets
Airflow in Occupied Zone <\/td>\n<\/tr>\n
565<\/td>\nThermal Plumes
Fig. 5 Thermal Plume from Point Source
Fig. 6 Schematic Diagram of Major Flow Elements in Room with Displacement Ventilation
Symbols <\/td>\n<\/tr>\n
566<\/td>\nReferences
Bibliography <\/td>\n<\/tr>\n
569<\/td>\nSI_F13_Ch21
Bernoulli Equation <\/td>\n<\/tr>\n
570<\/td>\nHead and Pressure
Static Pressure
Velocity Pressure
Total Pressure
Pressure Measurement
System Analysis
Fig. 1 Thermal Gravity Effect for Example 1 <\/td>\n<\/tr>\n
571<\/td>\nFig. 2 Multiple Stacks for Example 2
Fig. 3 Multiple Stack Analysis
Fig. 4 Illustrative 6-Path, 9-Section System <\/td>\n<\/tr>\n
572<\/td>\nFig. 5 Single Stack with Fan for Examples 3 and 4 <\/td>\n<\/tr>\n
573<\/td>\nFig. 6 Triple Stack System for Example 5
Pressure Changes in System
Fig. 7 Pressure Changes During Flow in Ducts <\/td>\n<\/tr>\n
574<\/td>\nFluid Resistance
Friction Losses
Darcy and Colebrook Equations
Roughness Factors
Fig. 8 Pressure Loss Correction Factor for Flexible Duct Not Fully Extended
Friction Chart <\/td>\n<\/tr>\n
575<\/td>\nTable 1 Duct Roughness Factors
Fig. 9 Diffuser Installation Suggestions
Noncircular Ducts <\/td>\n<\/tr>\n
576<\/td>\nFig. 10 Friction Chart for Round Duct (r = 1.20 kg\/m3 and e = 0.09 mm) <\/td>\n<\/tr>\n
577<\/td>\nFig. 11 Plot Illustrating Relative Resistance of Roughness Categories
Dynamic Losses
Local Loss Coefficients
Table 2 Circular Equivalents of Rectangular Duct for Equal Friction and Capacity* <\/td>\n<\/tr>\n
578<\/td>\nTable 3 Equivalent Flat Oval Duct Dimensions*
Duct Fitting Database <\/td>\n<\/tr>\n
579<\/td>\nTable 4 Duct Fitting Codes
Bends in Flexible Duct
Ductwork Sectional Losses
Darcy-Weisbach Equation
Fan\/System Interface
Fan Inlet and Outlet Conditions
Fig. 12 Deficient System Performance with System Effect Ignored
Fan System Effect Coefficients <\/td>\n<\/tr>\n
580<\/td>\nFig. 13 Establishment of Uniform Velocity Profile in Straight Fan Outlet Duct
Testing, Adjusting, and Balancing Considerations <\/td>\n<\/tr>\n
581<\/td>\nFig. 14 Inlet Duct Connections Causing Inlet Spin and Corrections for Inlet Spin
Mechanical Equipment Rooms
Outdoor Air Intake and Exhaust Air Discharge Locations
Equipment Room Locations <\/td>\n<\/tr>\n
582<\/td>\nFig. 15 Comparison of Various Mechanical Equipment Room Locations
Duct System Design
Design Considerations
Space Pressure Relationships
Fire and Smoke Management <\/td>\n<\/tr>\n
583<\/td>\nDuct Insulation
HVAC System Air Leakage <\/td>\n<\/tr>\n
584<\/td>\nTable 5 Solution for Example 6
Fig. 16 Duct Layout for Example 6
System Component Design Velocities <\/td>\n<\/tr>\n
585<\/td>\nTable 6 Typical Design Velocities for HVAC Components
Fig. 17 Criteria for Louver Sizing
Noise and Vibration Control
Duct Shape Selection <\/td>\n<\/tr>\n
586<\/td>\nFig. 18 Relative Mass of Rectangular Duct to Round Spiral Duct
Fig. 19 Maximum Airflow of Round, Flat Oval, and Rectangular Ducts as Function of Available Ceiling Space
Testing and Balancing <\/td>\n<\/tr>\n
587<\/td>\nTable 7 Maximum Airflow of Round, Flat Oval and Rectangular Ducts as Function of Available Ceiling Space* <\/td>\n<\/tr>\n
588<\/td>\nDuct Design Methods
Equal-Friction Method
Static Regain Method
Balancing Dampers
Constant-Volume (CV) Systems
Variable-Air-Volume (VAV) Systems
HVAC Duct Design Procedures <\/td>\n<\/tr>\n
589<\/td>\nFig. 20 Schematic for Example 7 <\/td>\n<\/tr>\n
590<\/td>\nFig. 21 System Schematic with Section Numbers for Example 7
Fig. 22 Total Pressure Grade Line for Example 7
Industrial Exhaust System Duct Design <\/td>\n<\/tr>\n
591<\/td>\nFig. 23 Metalworking Exhaust System for Example 8
Fig. 24 System Schematic with Section Numbers for Example 8 <\/td>\n<\/tr>\n
592<\/td>\nTable 8 Total Pressure Loss Calculations by Sections for Example 7 <\/td>\n<\/tr>\n
593<\/td>\nTable 9 Loss Coefficient Summary by Sections for Example 7 <\/td>\n<\/tr>\n
594<\/td>\nTable 9 Loss Coefficient Summary by Sections for Example 7 (Continued )
References <\/td>\n<\/tr>\n
595<\/td>\nTable 10 Total Pressure Loss Calculations by Sections for Example 8
Table 11 Loss Coefficient Summary by Sections for Example 8 <\/td>\n<\/tr>\n
596<\/td>\nFig. 25 Total Pressure Grade Line for Example 8
Bibliography <\/td>\n<\/tr>\n
597<\/td>\nSI_F13_Ch22
Pressure Drop Equations
Darcy-Weisbach Equation
Hazen-Williams Equation
Valve and Fitting Losses <\/td>\n<\/tr>\n
598<\/td>\nTable 1 K Factors: Threaded Pipe Fittings
Table 2 K Factors: Flanged Welded Pipe Fittings
Table 3 Approximate Range of Variation for K Factors <\/td>\n<\/tr>\n
599<\/td>\nTable 4 Summary of K Values for Ells, Reducers, and Expansions
Table 5 Summary of Test Data for Pipe Tees <\/td>\n<\/tr>\n
600<\/td>\nLosses in Multiple Fittings
Fig. 1 Close-Coupled Test Configurations
Table 6 Test Summary for Loss Coefficients K and Equivalent Loss Lengths
Fig. 2 Summary Plot of Effect of Close-Coupled Configurations for 50 mm Ells
Fig. 3 Summary Plot of Effect of Close-Coupled Configurations for 100 mm Ells
Calculating Pressure Losses <\/td>\n<\/tr>\n
601<\/td>\nTable 7 Test Summary for Loss Coefficients K of PVC Tees
Water Piping
Flow Rate Limitations
Table 8 Water Velocities Based on Type of Service
Table 9 Maximum Water Velocity to Minimize Erosion
Noise Generation <\/td>\n<\/tr>\n
602<\/td>\nErosion
Allowances for Aging
Water Hammer
Other Considerations
Other Piping Materials and Fluids
Hydronic System Piping
Range of Usage of Pressure Drop Charts <\/td>\n<\/tr>\n
603<\/td>\nAir Separation
Fig. 4 Friction Loss for Water in Commercial Steel Pipe (Schedule 40)
Fig. 5 Friction Loss for Water in Copper Tubing (Types K, L, M)
Valve and Fitting Pressure Drop <\/td>\n<\/tr>\n
604<\/td>\nFig. 6 Friction Loss for Water in Plastic Pipe (Schedule 80)
Table 10 Equivalent Length in Metres of Pipe for 90\u00b0 Elbows
Table 11 Iron and Copper Elbow Equivalents*
Service Water Piping <\/td>\n<\/tr>\n
605<\/td>\nFig. 7 Elbow Equivalents of Tees at Various Flow Conditions
Table 12 Proper Flow and Pressure Required During Flow for Different Fixtures
Table 13 Demand Weights of Fixtures in Fixture Unitsa <\/td>\n<\/tr>\n
606<\/td>\nFig. 8 Demand Versus Fixture Units, Mixed System, High Part of Curve
Fig. 9 Estimate Curves for Demand Load
Fig. 10 Section of Figure 9 on Enlarged Scale
Fig. 11 Pressure Losses in Disk-Type Water Meters
Plastic Pipe <\/td>\n<\/tr>\n
607<\/td>\nFig. 12 Variation of Pressure Loss with Flow Rate for Various Faucets and Cocks
Procedure for Sizing Cold-Water Systems
Table 14 Allowable Number of 25 mm Flush Valves Served by Various Sizes of Water Pipe* <\/td>\n<\/tr>\n
608<\/td>\nFig. 13 Flow Rate and Velocity of Steam in Schedule 40 Pipe at Saturation Pressure of 101 kPa <\/td>\n<\/tr>\n
609<\/td>\nSteam Piping
Pipe Sizes
Table 15 Pressure Drops Used for Sizing Steam Pipea
Table 16 Comparative Capacity of Steam Lines at Various Pitches for Steam and Condensate Flowing in Opposite Directions <\/td>\n<\/tr>\n
610<\/td>\nTable 17 Equivalent Length of Fittings to Be Added to Pipe Run
Sizing Charts
Low-Pressure Steam Piping
High-Pressure Steam Piping
Use of Basic and Velocity Multiplier Charts
Steam Condensate Systems
Two-Pipe Systems <\/td>\n<\/tr>\n
611<\/td>\nTable 18 Flow Rate of Steam in Schedule 40 Pipe
Table 19 Steam Pipe Capacities for Low-Pressure Systems <\/td>\n<\/tr>\n
612<\/td>\nFig. 14 Velocity Multiplier Chart for Figure 10
Fig. 15 Types of Condensate Return Systems <\/td>\n<\/tr>\n
613<\/td>\nTable 20 Return Main and Riser Capacities for Low-Pressure Systems, g\/s
Table 21 Vented Dry Condensate Return for Gravity Flow Based on Manning Equation
One-Pipe Systems <\/td>\n<\/tr>\n
614<\/td>\nTable 22 Vented Wet Condensate Return for Gravity Flow Based on Darcy-Weisbach Equation
Table 23 Flow Rate for Dry-Closed Returns
Gas Piping <\/td>\n<\/tr>\n
615<\/td>\nTable 24 Flash Steam from Steam Trap on Pressure Drop
Table 25 Estimated Return Line Pressures
Fig. 16 Working Chart for Determining Percentage of Flash Steam (Quality)
Fuel Oil Piping
Table 26 Maximum Capacity of Gas Pipe in Litres per Second <\/td>\n<\/tr>\n
616<\/td>\nTable 27 Recommended Nominal Size for Fuel Oil Suction Lines from Tank to Pump (Residual Grades No. 5 and No. 6)
Fig. 17 Typical Oil Circulating Loop
Table 28 Recommended Nominal Size for Fuel Oil Suction Lines from Tank to Pump (Distillate Grades No. 1 and No. 2)
Pipe Sizes for Heavy Oil
References <\/td>\n<\/tr>\n
617<\/td>\nBibliography <\/td>\n<\/tr>\n
619<\/td>\nSI_F13_Ch23
Design Objectives and Considerations
Energy Conservation
Economic Thickness
Fig. 1 Determination of Economic Thickness of Insulation <\/td>\n<\/tr>\n
620<\/td>\nTable 1 Minimum Duct Insulation R-Value,a Cooling- and Heating- Only Supply Ducts and Return Ducts
Table 2 Minimum Pipe Insulation Thickness,a mm
Personnel Protection <\/td>\n<\/tr>\n
621<\/td>\nTable 3 Minimum Duct Insulation R-Value,a Combined Heating and Cooling Supply Ducts and Return Ducts
Condensation Control
Table 4 Insulation Thickness Required to Prevent Surface Condensation
Fig. 2 Relative Humidity Histogram for Charlotte, NC <\/td>\n<\/tr>\n
622<\/td>\nFig. 3 ASHRAE Psychrometric Chart No. 1
Table 5 Design Weather Data for Condensation Control <\/td>\n<\/tr>\n
623<\/td>\nFreeze Prevention
Fig. 4 Time to Freeze Nomenclature
Table 6 Time to Cool Water to Freezing, h <\/td>\n<\/tr>\n
624<\/td>\nNoise Control
Fire Safety
Fig. 5 Insertion Loss Versus Mass of Jacket <\/td>\n<\/tr>\n
625<\/td>\nTable 7 Insertion Loss for Pipe Insulation Materials, dB <\/td>\n<\/tr>\n
626<\/td>\nCorrosion Under Insulation <\/td>\n<\/tr>\n
627<\/td>\nMaterials and Systems
Categories of Insulation Materials
Physical Properties of Insulation Materials <\/td>\n<\/tr>\n
628<\/td>\nTable 8 Performance Property Guide for Insulation Materials
Table 9 Thermal Conductivities of Cylindrical Pipe Insulation at 12.8 and 24\u00b0C
Weather Protection <\/td>\n<\/tr>\n
629<\/td>\nVapor Retarders <\/td>\n<\/tr>\n
631<\/td>\nInstallation
Pipe Insulation
Fig. 6 Insulating Pipe Hangers <\/td>\n<\/tr>\n
632<\/td>\nTable 10 Minimum Saddle Lengths for Use with Fibrous Glass Pipe Insulation*
Table 11 Minimum Saddle Lengths for Use with 32 kg\/m3 Polyisocyanurate Foam Insulation (13 to 75 mm thick) <\/td>\n<\/tr>\n
633<\/td>\nTanks, Vessels, and Equipment <\/td>\n<\/tr>\n
634<\/td>\nDucts <\/td>\n<\/tr>\n
635<\/td>\nFig. 7 R-Value Required to Prevent Condensation on Surface with Emittance e = 0.1
Fig. 8 R-Value Required to Prevent Condensation on Surface with Emittance e = 0.9 <\/td>\n<\/tr>\n
636<\/td>\nDesign Data
Estimating Heat Loss and Gain
Controlling Surface Temperatures <\/td>\n<\/tr>\n
637<\/td>\nTable 12 Emittance Data of Commonly Used Materials
Project Specifications
Standards <\/td>\n<\/tr>\n
638<\/td>\nTable 13 Inner and Outer Diameters of Standard Pipe Insulation
Table 14 Inner and Outer Diameters of Standard Tubing Insulation <\/td>\n<\/tr>\n
639<\/td>\nTable 15 Inner and Outer Diameters of Standard Flexible Closed-Cell Pipe Insulation
Table 16 Inner and Outer Diameters of Standard Flexible Closed-Cell Tubing Insulation
Table 17 Heat Loss from Bare Steel Pipe to Still Air at 27\u00b0C, W\/m
Table 18 Heat Loss from Bare Copper Tube to Still Air at 27\u00b0C, W\/m <\/td>\n<\/tr>\n
640<\/td>\nReferences <\/td>\n<\/tr>\n
641<\/td>\nSI_F13_Ch24
Flow Patterns
Fig. 1 Flow Patterns Around Rectangular Building <\/td>\n<\/tr>\n
642<\/td>\nFig. 2 Surface Flow Patterns for Normal and Oblique Winds
Fig. 3 Flow Recirculation Regions and Exhaust-to-Intake Stretched-String Distances (SA , SB) <\/td>\n<\/tr>\n
643<\/td>\nWind Pressure on Buildings
Table 1 Atmospheric Boundary Layer Parameters
Local Wind Pressure Coefficients <\/td>\n<\/tr>\n
644<\/td>\nFig. 4 Local Pressure Coefficients (Cp \u00b4 100) for Tall Building with Varying Wind Direction
Surface-Averaged Wall Pressures
Roof Pressures <\/td>\n<\/tr>\n
645<\/td>\nFig. 5 Local Pressure Coefficients for Walls of Low-Rise Building with Varying Wind Direction
Fig. 6 Variation of Surface-Averaged Wall Pressure Coefficients for Low-Rise Buildings
Interference and Shielding Effects on Pressures
Fig. 7 Surface-Averaged Wall Pressure Coefficients for Tall Buildings
Fig. 8 Local Roof Pressure Coefficients for Roof of Low-Rise Buildings
Fig. 9 Surface-Averaged Roof Pressure Coefficients for Tall Buildings <\/td>\n<\/tr>\n
646<\/td>\nSources of Wind Data
Table 2 Typical Relationship of Hourly Wind Speed Umet to Annual Average Wind Speed Uannual
Fig. 10 Frequency Distribution of Wind Speed and Direction
Estimating Wind at Sites Remote from Recording Stations <\/td>\n<\/tr>\n
647<\/td>\nWind Effects on System Operation
Fig. 11 Sensitivity of System Volume to Locations of Building Openings, Intakes, and Exhausts
Natural and Mechanical Ventilation <\/td>\n<\/tr>\n
648<\/td>\nFig. 12 Intake and Exhaust Pressures on Exhaust Fan in Single-Zone Building
Fig. 13 Effect of Wind-Assisted and Wind-Opposed Flow <\/td>\n<\/tr>\n
649<\/td>\nMinimizing Wind Effect on System Volume
Chemical Hood Operation
Building Pressure Balance and Internal Flow Control
Pressure Balance
Internal Flow Control
Physical and Computational Modeling <\/td>\n<\/tr>\n
650<\/td>\nComputational Modeling
Physical Modeling <\/td>\n<\/tr>\n
651<\/td>\nSimilarity Requirements
Wind Simulation Facilities <\/td>\n<\/tr>\n
652<\/td>\nDesigning Model Test Programs
Symbols
References <\/td>\n<\/tr>\n
655<\/td>\nBibliography <\/td>\n<\/tr>\n
657<\/td>\nSI_F13_Ch25
Terminology and Symbols
Heat <\/td>\n<\/tr>\n
658<\/td>\nAir
Moisture
Environmental Hygrothermal Loads and Driving Forces
Fig. 1 Hygrothermal Loads and Alternating Diurnal or Seasonal Directions Acting on Building Envelope <\/td>\n<\/tr>\n
659<\/td>\nAmbient Temperature and Humidity
Indoor Temperature and Humidity
Solar Radiation
Fig. 2 Solar Vapor Drive and Interstitial Condensation
Exterior Condensation <\/td>\n<\/tr>\n
660<\/td>\nWind-Driven Rain
Fig. 3 Typical Wind-Driven Rain Rose for Open Ground
Fig. 4 Measured Reduction in Catch Ratio Close to Fa\u00e7ade of One-Story Building at Height of 2 m
Construction Moisture
Ground- and Surface Water <\/td>\n<\/tr>\n
661<\/td>\nAir Pressure Differentials
Heat Transfer
Steady-State Thermal Response <\/td>\n<\/tr>\n
662<\/td>\nSurface-to-Surface Thermal Resistance of a Flat Assembly
Combined Convective and Radiative Surface Heat Transfer
Heat Flow Across an Air Space <\/td>\n<\/tr>\n
663<\/td>\nFig. 5 Heat Flux by Thermal Radiation and Combined Convection and Conduction Across Vertical or Horizontal Air Layer
Total Thermal Resistance of a Flat Building Assembly
Thermal Transmittance of a Flat Building Assembly
Interface Temperatures in a Flat Building Component
Series and Parallel Heat Flow Paths <\/td>\n<\/tr>\n
664<\/td>\nThermal Bridging and Thermal Performance of Multidimensional Construction
Linear and Point Transmittances
Transient Thermal Response <\/td>\n<\/tr>\n
665<\/td>\nPhase-Change Materials (PCMs)
Fig. 6 Example of Enthalpy Curves for Microencapsulated Phase-Change Materials (PCMs)
Airflow <\/td>\n<\/tr>\n
666<\/td>\nFig. 7 Examples of Airflow Patterns
Heat Flux with Airflow
Moisture Transfer
Moisture Storage in Building Materials <\/td>\n<\/tr>\n
667<\/td>\nFig. 8 Sorption Isotherms for Porous Building Materials
Fig. 9 Sorption Isotherm and Suction Curve for Autoclaved Aerated Concrete (AAC) <\/td>\n<\/tr>\n
668<\/td>\nMoisture Flow Mechanisms
Water Vapor Flow by Diffusion
Water Vapor Flow by Air Movement
Water Flow by Capillary Suction <\/td>\n<\/tr>\n
669<\/td>\nFig. 10 Capillary Rise in Hydrophilic Materials
Fig. 11 Moisture Dependent Diffusivity of Calcium Silicate Brick (CSB) Determined from NMR Scans During Water Absorption Tests
Liquid Flow at Low Moisture Content <\/td>\n<\/tr>\n
670<\/td>\nFig. 12 Moisture Fluxes by Vapor Diffusion and Liquid Flow in Single Capillary of Exterior Wall under Winter Conditions
Transient Moisture Flow
Combined Heat, Air , and Moisture Transfer <\/td>\n<\/tr>\n
671<\/td>\nSimplified Hygrothermal Design Calculations and Analyses
Surface Humidity and Condensation
Interstitial Condensation and Drying
Dew-Point Method <\/td>\n<\/tr>\n
672<\/td>\nTransient Computational Analysis
Criteria to Evaluate Hygrothermal Simulation Results
Thermal Comfort
Perceived Air Quality <\/td>\n<\/tr>\n
673<\/td>\nHuman Health
Durability of Finishes and Structure
Energy Efficiency
References <\/td>\n<\/tr>\n
677<\/td>\nSI_F13_Ch26
Insulation Materials and Insulating Systems
Apparent Thermal Conductivity
Influencing Conditions <\/td>\n<\/tr>\n
678<\/td>\nFig. 1 Apparent Thermal Conductivity Versus Density of Several Thermal Insulations Used as Building Insulations
Fig. 2 Variation of Apparent Thermal Conductivity with Fiber Diameter and Density <\/td>\n<\/tr>\n
679<\/td>\nMaterials and Systems <\/td>\n<\/tr>\n
680<\/td>\nFig. 3 Working Principle of Capillary-Active Interior Insulation <\/td>\n<\/tr>\n
681<\/td>\nAir Barriers <\/td>\n<\/tr>\n
682<\/td>\nWater Vapor Retarders <\/td>\n<\/tr>\n
683<\/td>\nData Tables
Thermal Property Data
Table 1 Building and Insulating Materials: Design Valuesa <\/td>\n<\/tr>\n
688<\/td>\nSurface Emissivity and Emittance Data
Table 2 Emissivity of Various Surfaces and Effective Emittances of Facing Air Spacesa
Thermal Resistance of Plane Air Spaces
Air Permeance Data <\/td>\n<\/tr>\n
689<\/td>\nTable 3 Thermal Resistances of Plane Air Spaces,a,b,c (m2 \u00b7 K)\/W <\/td>\n<\/tr>\n
691<\/td>\nTable 4 Air Permeability of Different Materials
Moisture Storage Data
Fig. 4 Permeability of Wood-Based Sheathing Materials at Various Relative Humidities
Fig. 5 Sorption\/Desorption Isotherms, Cement Board <\/td>\n<\/tr>\n
692<\/td>\nTable 5 Typical Water Vapor Permeance and Permeability for Common Building Materialsa <\/td>\n<\/tr>\n
693<\/td>\nTable 6 Water Vapor Permeability at Various Relative Humidities and Capillary Water Absorption Coefficient <\/td>\n<\/tr>\n
694<\/td>\nSoils Data
Fig. 6 Trends of Apparent Thermal Conductivity of Moist Soils <\/td>\n<\/tr>\n
695<\/td>\nTable 7 Sorption\/Desorption Isotherms of Building Materials at Various Relative Humidities <\/td>\n<\/tr>\n
696<\/td>\nTable 8 Typical Apparent Thermal Conductivity Values for Soils, W\/(m \u00b7 K)
Table 9 Typical Apparent Thermal Conductivity Values for Rocks, W\/(m \u00b7K)
Surface Film Coefficients\/ Resistances
Table 10 Surface Film Coefficients\/Resistances
Table 11 European Surface Film Coefficients\/Resistances
Codes and Standards <\/td>\n<\/tr>\n
697<\/td>\nReferences <\/td>\n<\/tr>\n
698<\/td>\nBibliography <\/td>\n<\/tr>\n
699<\/td>\nSI_F13_Ch27
Heat Transfer
One-Dimensional Assembly U-Factor Calculation
Wall Assembly U-Factor <\/td>\n<\/tr>\n
700<\/td>\nFig. 1 Structural Insulated Panel Assembly (Example 1)
Fig. 2 Roof Assembly (Example 2)
Roof Assembly U-Factor
Attics
Basement Walls and Floors <\/td>\n<\/tr>\n
701<\/td>\nTwo-Dimensional Assembly U-Factor Calculation
Wood-Frame Walls
Fig. 3 (A) Wall Assembly for Example 3, with Equivalent Electrical Circuits: (B) Parallel Path and (C) Isothermal Planes <\/td>\n<\/tr>\n
702<\/td>\nMasonry Walls
Fig. 4 Insulated Concrete Block Wall (Example 4)
Constructions Containing Metal <\/td>\n<\/tr>\n
703<\/td>\nFig. 5 Wall Section and Equivalent Electrical Circuit (Example 5)
Zone Method of Calculation
Modified Zone Method for Metal Stud Walls with Insulated Cavities
Fig. 6 Modified Zone Factor for Calculating R-Value of Metal Stud Walls with Cavity Insulation <\/td>\n<\/tr>\n
704<\/td>\nComplex Assemblies <\/td>\n<\/tr>\n
705<\/td>\nFig. 7 Corner Composed of Homogeneous Material Showing Locations of Isotherms
Fig. 8 Insulating Material Installed on Conductive Material, Showing Temperature Anomaly (Point A) at Insulation Edge
Fig. 9 Brick Veneer Shelf for Example 6
Windows and Doors
Moisture Transport
Wall with Insulated Sheathing <\/td>\n<\/tr>\n
706<\/td>\nVapor Pressure Profile (Glaser or Dew-Point) Analysis
Winter Wall Wetting Examples <\/td>\n<\/tr>\n
707<\/td>\nFig. 10 Dew-Point Calculation in Wood-Framed Wall (Example 8) <\/td>\n<\/tr>\n
708<\/td>\nTransient Hygrothermal Modeling <\/td>\n<\/tr>\n
709<\/td>\nFig. 11 Drying Wet Sheathing, Winter (Example 9)
Fig. 12 Drying Wet Sheathing, Summer (Example 9)
Air Movement <\/td>\n<\/tr>\n
710<\/td>\nEquivalent Permeance
References
Bibliography <\/td>\n<\/tr>\n
711<\/td>\nSI_F13_Ch28
Principles of Combustion
Combustion Reactions
Flammability Limits <\/td>\n<\/tr>\n
712<\/td>\nTable 1 Combustion Reactions of Common Fuel Constituents
Table 2 Flammability Limits and Ignition Temperatures of Common Fuels in Fuel\/Air Mixtures
Ignition Temperature
Combustion Modes <\/td>\n<\/tr>\n
713<\/td>\nHeating Value
Table 3 Heating Values of Substances Occurring in Common Fuels
Altitude Compensation <\/td>\n<\/tr>\n
714<\/td>\nFig. 1 Altitude Effects on Gas Combustion Appliances <\/td>\n<\/tr>\n
715<\/td>\nFuel Classification
Gaseous Fuels
Types and Properties <\/td>\n<\/tr>\n
716<\/td>\nTable 4 Propane\/Air and Butane\/Air Gas Mixtures
Liquid Fuels
Types of Fuel Oils
Characteristics of Fuel Oils <\/td>\n<\/tr>\n
717<\/td>\nFig. 2 Approximate Viscosity of Fuel Oils
Table 5 Sulfur Content of Marketed Fuel Oils
Table 6 Typical Density and Higher Heating Value of Standard Grades of Fuel Oil
Types and Properties of Liquid Fuels for Engines <\/td>\n<\/tr>\n
718<\/td>\nSolid Fuels
Types of Coals
Table 7 Classification of Coals by Ranka <\/td>\n<\/tr>\n
719<\/td>\nCharacteristics of Coal
Table 8 Typical Ultimate Analyses for Coals
Combustion Calculations <\/td>\n<\/tr>\n
720<\/td>\nAir Required for Combustion <\/td>\n<\/tr>\n
721<\/td>\nTable 9 Approximate Air Requirements for Stoichiometric Combustion of Fuels
Table 10 Approximate Air Requirements for Stoichiometric Combustion of Various Fuels
Table 11 Approximate Maximum Theoretical (Stoichiometric) CO2 Values, and CO2 Values of Various Fuels with Different Percentages of Excess Air
Theoretical CO2
Quantity of Flue Gas Produced <\/td>\n<\/tr>\n
722<\/td>\nWater Vapor and Dew Point of Flue Gas
Fig. 3 Water Vapor and Dew Point of Flue Gas
Sample Combustion Calculations <\/td>\n<\/tr>\n
723<\/td>\nFig. 4 Theoretical Dew Points of Combustion Products of Industrial Fuels
Efficiency Calculations
Fig. 5 Influence of Sulfur Oxides on Flue Gas Dew Point <\/td>\n<\/tr>\n
724<\/td>\nSeasonal Efficiency
Combustion Considerations
Air Pollution <\/td>\n<\/tr>\n
725<\/td>\nFig. 6 Flue Gas Losses with Various Fuels <\/td>\n<\/tr>\n
726<\/td>\nTable 12 NOx Emission Factors for Combustion Sources Without Emission Controls
Condensation and Corrosion <\/td>\n<\/tr>\n
727<\/td>\nAbnormal Combustion Noise in Gas Appliances
Soot
References <\/td>\n<\/tr>\n
728<\/td>\nBibliography <\/td>\n<\/tr>\n
729<\/td>\nSI_F13_Ch29
Refrigerant Properties
Global Environmental Properties <\/td>\n<\/tr>\n
730<\/td>\nTable 1 Refrigerant Data and Safety Classifications <\/td>\n<\/tr>\n
731<\/td>\nTable 2 Data and Safety Classifications for Refrigerant Blends <\/td>\n<\/tr>\n
733<\/td>\nTable 3 Refrigerant Environmental Properties
Physical Properties
Table 4 Environmental Properties of Refrigerant Blends <\/td>\n<\/tr>\n
734<\/td>\nElectrical Properties
Table 5 Physical Properties of Selected Refrigerantsa <\/td>\n<\/tr>\n
735<\/td>\nTable 6 Electrical Properties of Liquid Refrigerants
Table 7 Electrical Properties of Refrigerant Vapors <\/td>\n<\/tr>\n
736<\/td>\nSound Velocity
Refrigerant Performance
Table 8 Comparative Refrigerant Performance per Kilowatt of Refrigeration <\/td>\n<\/tr>\n
737<\/td>\nSafety
Leak Detection
Electronic Detection
Bubble Method
Pressure Change Methods
UV Dye Method
Ammonia Leaks
Compatibility with Construction Materials
Metals <\/td>\n<\/tr>\n
738<\/td>\nElastomers
Table 9 Swelling of Elastomers in Liquid Refrigerants at Room Temperature, % Linear Swell
Plastics <\/td>\n<\/tr>\n
739<\/td>\nAdditional Compatibility Reports
References <\/td>\n<\/tr>\n
740<\/td>\nBibliography <\/td>\n<\/tr>\n
741<\/td>\nSI_F13_Ch30 <\/td>\n<\/tr>\n
742<\/td>\nFig. 1 Pressure-Enthalpy Diagram for Refrigerant 12 <\/td>\n<\/tr>\n
743<\/td>\nRefrigerant 12 (Dichlorodifluoromethane) Properties of Saturated Liquid and Saturated Vapor <\/td>\n<\/tr>\n
744<\/td>\nFig. 2 Pressure-Enthalpy Diagram for Refrigerant 22 <\/td>\n<\/tr>\n
745<\/td>\nRefrigerant 22 (Chlorodifluoromethane) Properties of Saturated Liquid and Saturated Vapor <\/td>\n<\/tr>\n
746<\/td>\nFig. 3 Pressure-Enthalpy Diagram for Refrigerant 23 <\/td>\n<\/tr>\n
747<\/td>\nRefrigerant 23 (Trifluoromethane) Properties of Saturated Liquid and Saturated Vapor <\/td>\n<\/tr>\n
748<\/td>\nFig. 4 Pressure-Enthalpy Diagram for Refrigerant 32 <\/td>\n<\/tr>\n
750<\/td>\nFig. 5 Pressure-Enthalpy Diagram for Refrigerant 123 <\/td>\n<\/tr>\n
751<\/td>\nRefrigerant 123 (2,2-Dichloro-1,1,1-Trifluoroethane) Properties of Saturated Liquid and Saturated Vapor <\/td>\n<\/tr>\n
752<\/td>\nFig. 6 Pressure-Enthalpy Diagram for Refrigerant 124 <\/td>\n<\/tr>\n
753<\/td>\nRefrigerant 124 (2-Chloro-1,1,1,2-Tetrafluoroethane) Properties of Saturated Liquid and Saturated Vapor <\/td>\n<\/tr>\n
754<\/td>\nFig. 7 Pressure-Enthalpy Diagram for Refrigerant 125 <\/td>\n<\/tr>\n
756<\/td>\nFig. 8 Pressure-Enthalpy Diagram for Refrigerant 134a <\/td>\n<\/tr>\n
757<\/td>\nRefrigerant 134a (1,1,1,2-Tetrafluoroethane) Properties of Saturated Liquid and Saturated Vapor <\/td>\n<\/tr>\n
760<\/td>\nFig. 9 Pressure-Enthalpy Diagram for Refrigerant 143a <\/td>\n<\/tr>\n
762<\/td>\nFig. 10 Pressure-Enthalpy Diagram for Refrigerant 152a <\/td>\n<\/tr>\n
763<\/td>\nRefrigerant 152a (1,1-Difluoroethane) Properties of Saturated Liquid and Saturated Vapor <\/td>\n<\/tr>\n
764<\/td>\nFig. 11 Pressure-Enthalpy Diagram for Refrigerant 245fa <\/td>\n<\/tr>\n
766<\/td>\nFig. 12 Pressure-Enthalpy Diagram for Refrigerant 1234yf <\/td>\n<\/tr>\n
768<\/td>\nFig. 13 Pressure-Enthalpy Diagram for Refrigerant 1234ze(E) <\/td>\n<\/tr>\n
770<\/td>\nFig. 14 Pressure-Enthalpy Diagram for Refrigerant 404A <\/td>\n<\/tr>\n
772<\/td>\nFig. 15 Pressure-Enthalpy Diagram for Refrigerant 407C <\/td>\n<\/tr>\n
773<\/td>\nRefrigerant 407C [R-32\/125\/134a (23\/25\/52)] Properties of Liquid on Bubble Line and Vapor on Dew Line <\/td>\n<\/tr>\n
774<\/td>\nFig. 16 Pressure-Enthalpy Diagram for Refrigerant 410A <\/td>\n<\/tr>\n
775<\/td>\nRefrigerant 410A [R-32\/125 (50\/50)] Properties of Liquid on Bubble Line and Vapor on Dew Line <\/td>\n<\/tr>\n
776<\/td>\nFig. 17 Pressure-Enthalpy Diagram for Refrigerant 507A <\/td>\n<\/tr>\n
778<\/td>\nFig. 18 Pressure-Enthalpy Diagram for Refrigerant 717 (Ammonia) <\/td>\n<\/tr>\n
779<\/td>\nRefrigerant 717 (Ammonia) Properties of Saturated Liquid and Saturated Vapor <\/td>\n<\/tr>\n
780<\/td>\nFig. 19 Pressure-Enthalpy Diagram for Refrigerant 718 (Water\/Steam) <\/td>\n<\/tr>\n
781<\/td>\nRefrigerant 718 (Water\/Steam) Properties of Saturated Liquid and Saturated Vapor <\/td>\n<\/tr>\n
782<\/td>\nFig. 20 Pressure-Enthalpy Diagram for Refrigerant 744 (Carbon Dioxide) <\/td>\n<\/tr>\n
783<\/td>\nRefrigerant 744 (Carbon Dioxide) Properties of Saturated Liquid and Saturated Vapor <\/td>\n<\/tr>\n
784<\/td>\nFig. 21 Pressure-Enthalpy Diagram for Refrigerant 50 (Methane) <\/td>\n<\/tr>\n
785<\/td>\nRefrigerant 50 (Methane) Properties of Saturated Liquid and Saturated Vapor
Refrigerant 50 (Methane) Properties of Gas at 0.101 325 MPa (one standard atmosphere) <\/td>\n<\/tr>\n
786<\/td>\nFig. 22 Pressure-Enthalpy Diagram for Refrigerant 170 (Ethane) <\/td>\n<\/tr>\n
788<\/td>\nFig. 23 Pressure-Enthalpy Diagram for Refrigerant 290 (Propane) <\/td>\n<\/tr>\n
790<\/td>\nFig. 24 Pressure-Enthalpy Diagram for Refrigerant 600 (n-Butane) <\/td>\n<\/tr>\n
792<\/td>\nFig. 25 Pressure-Enthalpy Diagram for Refrigerant 600a (Isobutane) <\/td>\n<\/tr>\n
794<\/td>\nFig. 26 Pressure-Enthalpy Diagram for Refrigerant 1150 (Ethylene) <\/td>\n<\/tr>\n
795<\/td>\nRefrigerant 1150 (Ethylene) Properties of Saturated Liquid and Saturated Vapor <\/td>\n<\/tr>\n
796<\/td>\nFig. 27 Pressure-Enthalpy Diagram for Refrigerant 1270 (Propylene) <\/td>\n<\/tr>\n
797<\/td>\nRefrigerant 1270 (Propylene) Properties of Saturated Liquid and Saturated Vapor <\/td>\n<\/tr>\n
798<\/td>\nFig. 28 Pressure-Enthalpy Diagram for Refrigerant 704 (Helium) <\/td>\n<\/tr>\n
799<\/td>\nRefrigerant 704 (Helium) Properties of Saturated Liquid and Saturated Vapor
Refrigerant 704 (Helium) Properties of Gas at 0.101 325 MPa (one standard atmosphere) <\/td>\n<\/tr>\n
800<\/td>\nFig. 29 Pressure-Enthalpy Diagram for Refrigerant 728 (Nitrogen) <\/td>\n<\/tr>\n
801<\/td>\nRefrigerant 728 (Nitrogen) Properties of Saturated Liquid and Saturated Vapor
Refrigerant 728 (Nitrogen) Properties of Gas at 0.101 325 MPa (one standard atmosphere) <\/td>\n<\/tr>\n
802<\/td>\nFig. 30 Pressure-Enthalpy Diagram for Refrigerant 729 (Air) <\/td>\n<\/tr>\n
803<\/td>\nRefrigerant 729 (Air) Properties of Liquid on the Bubble Line and Vapor on the Dew Line
Refrigerant 729 (Air) Properties of Gas at 0.101 325 MPa (one standard atmosphere) <\/td>\n<\/tr>\n
804<\/td>\nFig. 31 Pressure-Enthalpy Diagram for Refrigerant 732 (Oxygen) <\/td>\n<\/tr>\n
805<\/td>\nRefrigerant 732 (Oxygen) Properties of Saturated Liquid and Saturated Vapor
Refrigerant 732 (Oxygen) Properties of Gas at 0.101 325 MPa (one standard atmosphere) <\/td>\n<\/tr>\n
806<\/td>\nFig. 32 Pressure-Enthalpy Diagram for Refrigerant 740 (Argon) <\/td>\n<\/tr>\n
808<\/td>\nFig. 33 Enthalpy-Concentration Diagram for Ammonia\/Water Solutions Prepared by Kwang Kim and Keith Herold, Center for Environmental Energy Engineering, University of Maryland at College Park <\/td>\n<\/tr>\n
809<\/td>\nSpecific Volume of Saturated Ammonia-Water Solutions, m3\/kg
Refrigerant Temperature (t\u00a2 = \u00b0C) and Enthalpy (h = kJ\/kg) of Lithium Bromide Solutions <\/td>\n<\/tr>\n
810<\/td>\nFig. 34 Enthalpy-Concentration Diagram for Water\/Lithium Bromide Solutions <\/td>\n<\/tr>\n
811<\/td>\nFig. 35 Equilibrium Chart for Aqueous Lithium Bromide Solutions <\/td>\n<\/tr>\n
812<\/td>\nReferences
Fig. 36 Specific Density of Aqueous Solutions of Lithium Bromide
Fig. 37 Specific Heat of Aqueous Lithium Bromide Solutions
Fig. 38 Viscosity of Aqueous Solutions of Lithium Bromide <\/td>\n<\/tr>\n
817<\/td>\nSI_F13_Ch31
Brines
Physical Properties
Table 1 Properties of Pure Calcium Chloride* Brines <\/td>\n<\/tr>\n
818<\/td>\nFig. 1 Specific Heat of Calcium Chloride Brines
Fig. 2 Density of Calcium Chloride Brines
Fig. 3 Viscosity of Calcium Chloride Brines
Fig. 4 Thermal Conductivity of Calcium Chloride Brines <\/td>\n<\/tr>\n
819<\/td>\nTable 2 Properties of Pure Sodium Chloridea Brines
Fig. 5 Specific Heat of Sodium Chloride Brines
Fig. 6 Density of Sodium Chloride Brines <\/td>\n<\/tr>\n
820<\/td>\nFig. 7 Viscosity of Sodium Chloride Brines
Fig. 8 Thermal Conductivity of Sodium Chloride Brines
Corrosion Inhibition
Inhibited Glycols
Physical Properties
Table 3 Physical Properties of Ethylene Glycol and Propylene Glycol <\/td>\n<\/tr>\n
821<\/td>\nFig. 9 Density of Aqueous Solutions of Industrially Inhibited Ethylene Glycol (vol. %)
Fig. 10 Specific Heat of Aqueous Solutions of Industrially Inhibited Ethylene Glycol (vol. %)
Fig. 11 Thermal Conductivity of Aqueous Solutions of Industrially Inhibited Ethylene Glycol (vol. %)
Fig. 12 Viscosity of Aqueous Solutions of Industrially Inhibited Ethylene Glycol (vol. %)
Fig. 13 Density of Aqueous Solutions of Industrially Inhibited Propylene Glycol (vol. %) <\/td>\n<\/tr>\n
822<\/td>\nTable 4 Freezing and Boiling Points of Aqueous Solutions of Ethylene Glycol
Table 5 Freezing and Boiling Points of Aqueous Solutions of Propylene Glycol <\/td>\n<\/tr>\n
823<\/td>\nTable 6 Density of Aqueous Solutions of Ethylene Glycol
Table 7 Specific Heat of Aqueous Solutions of Ethylene Glycol <\/td>\n<\/tr>\n
824<\/td>\nTable 8 Thermal Conductivity of Aqueous Solutions of Ethylene Glycol
Table 9 Viscosity of Aqueous Solutions of Ethylene Glycol <\/td>\n<\/tr>\n
825<\/td>\nTable 10 Density of Aqueous Solutions of an Industrially Inhibited Propylene Glycol
Table 11 Specific Heat of Aqueous Solutions of Propylene Glycol <\/td>\n<\/tr>\n
826<\/td>\nTable 12 Thermal Conductivity of Aqueous Solutions of Propylene Glycol
Table 13 Viscosity of Aqueous Solutions of Propylene Glycol <\/td>\n<\/tr>\n
827<\/td>\nFig. 14 Specific Heat of Aqueous Solutions of Industrially Inhibited Propylene Glycol (vol. %)
Fig. 15 Thermal Conductivity of Aqueous Solutions of Industrially Inhibited Propylene Glycol (vol. %)
Fig. 16 Viscosity of Aqueous Solutions of Industrially Inhibited Propylene Glycol (vol. %)
Corrosion Inhibition
Service Considerations <\/td>\n<\/tr>\n
828<\/td>\nHalocarbons
Table 14 Properties of a Polydimethylsiloxane Heat Transfer Fluid <\/td>\n<\/tr>\n
829<\/td>\nTable 15 Summary of Physical Properties of Polydimethylsiloxane Mixture and d-Limonene
Table 16 Physical Properties of d-Limonene
Nonhalocarbon, Nonaqueous Fluids
References
Bibliography <\/td>\n<\/tr>\n
831<\/td>\nSI_F13_Ch32
Desiccant Applications
Desiccant Cycle <\/td>\n<\/tr>\n
832<\/td>\nFig. 1 Desiccant Water Vapor Pressure as Function of Moisture Content
Fig. 2 Desiccant Water Vapor Pressure as Function of Desiccant Moisture Content and Temperature
Fig. 3 Desiccant Cycle
Table 1 Vapor Pressures and Dew-Point Temperatures Corresponding to Different Relative Humidities at 21\u00b0C <\/td>\n<\/tr>\n
833<\/td>\nTypes of Desiccants
Liquid Absorbents
Fig. 4 Surface Vapor Pressure of Water\/Triethylene Glycol Solutions
Fig. 5 Surface Vapor Pressure of Water\/Lithium Chloride Solutions <\/td>\n<\/tr>\n
834<\/td>\nSolid Adsorbents
Fig. 6 Adsorption and Structural Characteristics of Some Experimental Silica Gels <\/td>\n<\/tr>\n
835<\/td>\nDesiccant Isotherms
Fig. 7 Sorption Isotherms of Various Desiccants
Desiccant Life
Cosorption of Water Vapor and Indoor Air Contaminants <\/td>\n<\/tr>\n
836<\/td>\nReferences
Bibliography <\/td>\n<\/tr>\n
837<\/td>\nSI_F13_Ch33
Table 1 Properties of Vapor <\/td>\n<\/tr>\n
838<\/td>\nTable 2 Properties of Liquids <\/td>\n<\/tr>\n
839<\/td>\nTable 3 Properties of Solids <\/td>\n<\/tr>\n
840<\/td>\nReferences <\/td>\n<\/tr>\n
841<\/td>\nSI_F13_Ch34
Characteristics of Energy and Energy Resource Forms
Forms of On-Site Energy
Nonrenewable and Renewable Energy Resources
Characteristics of Fossil Fuels and Electricity <\/td>\n<\/tr>\n
842<\/td>\nOn-Site Energy\/Energy Resource Relationships
Quantifiable Relationships
Intangible Relationships <\/td>\n<\/tr>\n
843<\/td>\nSummary
Energy Resource Planning
Integrated Resource Planning (IRP)
Tradable Emission Credits <\/td>\n<\/tr>\n
844<\/td>\nOverview of Global Energy Resources
World Energy Resources
Production
Fig. 1 Energy Production Trends: 2001-2010
Fig. 2 World Primary Energy Production by Resource: 2001 Versus 2010
Fig. 3 World Crude Oil Reserves: 2011
Fig. 4 World Natural Gas Reserves: 2011
Reserves <\/td>\n<\/tr>\n
845<\/td>\nFig. 5 World Recoverable Coal Reserves: 2010
Consumption
Fig. 6 World Petroleum Consumption: 2010
Fig. 7 World Natural Gas Consumption: 2010
Fig. 8 World Coal Consumption: 2010
Fig. 9 Coal Consumption in United States, China, and India, 1980-2010 <\/td>\n<\/tr>\n
846<\/td>\nFig. 10 World Electricity Generation by Resource: 1999 and 2009
Fig. 11 World Electric Generation 2009
Fig. 12 Per Capita Energy Consumption by Selected Countries: 2009
Fig. 13 World Carbon Emissions
Carbon Emissions <\/td>\n<\/tr>\n
847<\/td>\nU.S. Energy Use
Per Capita Energy Consumption
Fig. 14 Per Capita United States Energy Consumption
Projected Overall Energy Consumption
Fig. 15 Projected Total U.S. Energy Consumption by End-Use Sector
Fig. 16 Projected Total U.S. Energy Consumption by Resource <\/td>\n<\/tr>\n
848<\/td>\nOutlook Summary
U.S. Agencies and Associations
References
Bibliography <\/td>\n<\/tr>\n
849<\/td>\nSI_F13_Ch35
Definition
Characteristics of Sustainability
Sustainability Addresses the Future
Sustainability Has Many Contributors
Sustainability Is Comprehensive <\/td>\n<\/tr>\n
850<\/td>\nTechnology Plays Only a Partial Role
Factors Impacting Sustainability
Primary HVAC&R Considerations in Sustainable Design
Energy Resource Availability <\/td>\n<\/tr>\n
851<\/td>\nFresh Water Supply
Effective and Efficient Use of Energy Resources and Water
Material Resource Availability and Management
Air, Noise, and Water Pollution
Fig. 1 Cooling Tower Noise Barrier
Solid and Liquid Waste Disposal <\/td>\n<\/tr>\n
852<\/td>\nFactors Driving Sustainability into Design Practice
Climate Change
Regulatory Environment
Fig. 2 Effect of Montreal Protocol on Global Chlorofluorocarbon (CFC) Production
Evolving Standards of Care
Changing Design Process <\/td>\n<\/tr>\n
853<\/td>\nFig. 3 Electricity Generation by Fuel, 1980\u20132030
Other Opportunities
Designing for Effective Energy Resource Use
Energy Ethic: Resource Conservation Design Principles
Energy and Power <\/td>\n<\/tr>\n
854<\/td>\nSimplicity
Self-Imposed Budgets
Design Process for Energy-Efficient Projects
Table 1 Example Benchmark and Energy Targets for University Research Laboratory <\/td>\n<\/tr>\n
855<\/td>\nBuilding Energy Use Elements <\/td>\n<\/tr>\n
857<\/td>\nReferences
Bibliography <\/td>\n<\/tr>\n
859<\/td>\nSI_F13_Ch36
Terminology <\/td>\n<\/tr>\n
860<\/td>\nFig. 1 Measurement and Instrument Terminology <\/td>\n<\/tr>\n
861<\/td>\nUncertainty Analysis
Uncertainty Sources
Uncertainty of a Measured Variable
Fig. 2 Errors in Measurement of Variable X <\/td>\n<\/tr>\n
862<\/td>\nTemperature Measurement
Sampling and Averaging
Table 1 Common Temperature Measurement Techniques <\/td>\n<\/tr>\n
863<\/td>\nStatic Temperature Versus Total Temperature
Liquid-in-Glass Thermometers
Sources of Thermometer Errors
Resistance Thermometers <\/td>\n<\/tr>\n
864<\/td>\nFig. 3 Typical Resistance Thermometer Circuit
Resistance Temperature Devices
Fig. 4 Typical Resistance Temperature Device (RTD) Bridge Circuits <\/td>\n<\/tr>\n
865<\/td>\nThermistors
Fig. 5 Basic Thermistor Circuit
Semiconductor Devices
Thermocouples <\/td>\n<\/tr>\n
866<\/td>\nTable 2 Thermocouple Tolerances on Initial Values of Electromotive Force Versus Temperature
Wire Diameter and Composition
Multiple Thermocouples <\/td>\n<\/tr>\n
867<\/td>\nSurface Temperature Measurement
Thermocouple Construction
Optical Pyrometry
Infrared Radiation Thermometers
Infrared Thermography <\/td>\n<\/tr>\n
868<\/td>\nHumidity Measurement
Psychrometers
Table 3 Humidity Sensor Properties <\/td>\n<\/tr>\n
869<\/td>\nDew-Point Hygrometers
Condensation Dew-Point Hygrometers
Salt-Phase Heated Hygrometers
Mechanical Hygrometers
Electrical Impedance and Capacitance Hygrometers <\/td>\n<\/tr>\n
870<\/td>\nDunmore Hygrometers
Polymer Film Electronic Hygrometers
Ion Exchange Resin Electric Hygrometers
Impedance-Based Porous Ceramic Electronic Hygrometers
Aluminum Oxide Capacitive Sensor
Electrolytic Hygrometers
Piezoelectric Sorption
Spectroscopic (Radiation Absorption) Hygrometers
Gravimetric Hygrometers <\/td>\n<\/tr>\n
871<\/td>\nCalibration
Pressure Measurement
Units
Instruments
Pressure Standards
Mechanical Pressure Gages <\/td>\n<\/tr>\n
872<\/td>\nElectromechanical Transducers
General Considerations <\/td>\n<\/tr>\n
873<\/td>\nAir Velocity Measurement
Airborne Tracer Techniques
Anemometers
Deflecting Vane Anemometers
Propeller or Revolving (Rotating) Vane Anemometers
Cup Anemometers
Thermal Anemometers <\/td>\n<\/tr>\n
874<\/td>\nTable 4 Air Velocity Measurement <\/td>\n<\/tr>\n
875<\/td>\nLaser Doppler Velocimeters (or Anemometers)
Particle Image Velocimetry (PIV)
Pitot-Static Tubes
Fig. 6 Standard Pitot Tube <\/td>\n<\/tr>\n
876<\/td>\nFig. 7 Measuring Points for Rectangular and Round Duct Traverse
Measuring Flow in Ducts <\/td>\n<\/tr>\n
877<\/td>\nFig. 8 Pitot-Static Probe Pressure Coefficient Yaw Angular Dependence <\/td>\n<\/tr>\n
878<\/td>\nAirflow-Measuring Hoods
Flow Rate Measurement
Flow Measurement Methods <\/td>\n<\/tr>\n
879<\/td>\nTable 5 Volumetric or Mass Flow Rate Measurement
Venturi, Nozzle, and Orifice Flowmeters <\/td>\n<\/tr>\n
880<\/td>\nFig. 9 Typical Herschel-Type Venturi Meter
Fig. 10 Dimensions of ASME Long-Radius Flow Nozzles
Variable-Area Flowmeters (Rotameters) <\/td>\n<\/tr>\n
881<\/td>\nFig. 11 Sharp-Edge Orifice with Pressure Tap Locations
Fig. 12 Variable-Area Flowmeter
Positive-Displacement Meters
Turbine Flowmeters <\/td>\n<\/tr>\n
882<\/td>\nAir Infiltration, Airtightness, and Outdoor Air Ventilation Rate Measurement
Carbon Dioxide
Carbon Dioxide Measurement
Nondispersive Infrared CO2 Detectors <\/td>\n<\/tr>\n
883<\/td>\nFig. 13 Nondispersive Infrared Carbon Dioxide Sensor
Calibration
Applications
Amperometric Electrochemical CO2 Detectors
Fig. 14 Amperometric Carbon Dioxide Sensor
Fig. 15 Open-Cell Photoacoustic Carbon Dioxide Sensor
Photoacoustic CO2 Detectors
Open-Cell Sensors
Closed-Cell Sensors <\/td>\n<\/tr>\n
884<\/td>\nFig. 16 Closed-Cell Photoacoustic Carbon Dioxide Sensor
Potentiometric Electrochemical CO2 Detectors
Colorimetric Detector Tubes
Laboratory Measurements
Electric Measurement
Ammeters
Voltmeters
Wattmeters <\/td>\n<\/tr>\n
885<\/td>\nPower-Factor Meters
Rotative Speed Measurement
Tachometers
Stroboscopes
AC Tachometer-Generators
Sound and Vibration Measurement
Sound Measurement
Microphones
Sound Measurement Systems <\/td>\n<\/tr>\n
886<\/td>\nFig. 17 Ammeter Connected in Power Circuit
Fig. 18 Ammeter with Current Transformer
Fig. 19 Voltmeter Connected Across Load
Fig. 20 Voltmeter with Potential Transformer
Fig. 21 Wattmeter in Single-Phase Circuit Measuring Power Load plus Loss in Current-Coil Circuit
Fig. 22 Wattmeter in Single-Phase Circuit Measuring Power Load plus Loss in Potential-Coil Circuit
Fig. 23 Wattmeter with Current and Potential Transformer
Fig. 24 Polyphase Wattmeter in Two- Phase, Three-Wire Circuit with Balanced or Unbalanced Voltage or Load
Fig. 25 Polyphase Wattmeter in Three-Phase, Three-Wire Circuit
Fig. 26 Single-Phase Power-Factor Meter
Fig. 27 Three-Wire, Three-Phase Power-Factor Meter <\/td>\n<\/tr>\n
887<\/td>\nFrequency Analysis
Sound Chambers
Calibration
Vibration Measurement
Transducers <\/td>\n<\/tr>\n
888<\/td>\nVibration Measurement Systems
Calibration
Lighting Measurement
Thermal Comfort Measurement
Clothing and Activity Level <\/td>\n<\/tr>\n
889<\/td>\nAir Temperature
Air Velocity
Plane Radiant Temperature
Mean Radiant Temperature
Air Humidity
Calculating Thermal Comfort
Fig. 28 Madsen\u2019s Comfort Meter
Integrating Instruments <\/td>\n<\/tr>\n
890<\/td>\nMoisture Content and Transfer Measurement
Sorption Isotherm
Vapor Permeability
Liquid Diffusivity
Heat Transfer Through Building Materials
Thermal Conductivity <\/td>\n<\/tr>\n
891<\/td>\nThermal Conductance and Resistance
Air Contaminant Measurement
Combustion Analysis
Flue Gas Analysis <\/td>\n<\/tr>\n
892<\/td>\nData Acquisition and Recording
Digital Recording <\/td>\n<\/tr>\n
893<\/td>\nData-Logging Devices
Symbols
Standards <\/td>\n<\/tr>\n
894<\/td>\nReferences <\/td>\n<\/tr>\n
896<\/td>\nBibliography <\/td>\n<\/tr>\n
897<\/td>\nSI_F13_Ch37
Abbreviations for Text, Drawings, and Computer Programs
Computer Programs
Letter Symbols <\/td>\n<\/tr>\n
898<\/td>\nTable 1 Abbreviations for Text, Drawings, and Computer Programs <\/td>\n<\/tr>\n
906<\/td>\nPiping System Identification
Definitions
Table 2 Examples of Legends
Fig. 1 Visibility of Pipe Markings
Table 3 Classification of Hazardous Materials and Designation of Colorsa
Method of Identification <\/td>\n<\/tr>\n
907<\/td>\nTable 4 Size of Legend Letters
Codes and Standards <\/td>\n<\/tr>\n
909<\/td>\nSI_F13_Ch38
Table 1 Conversions to I-P and SI Units <\/td>\n<\/tr>\n
910<\/td>\nTable 2 Conversion Factors <\/td>\n<\/tr>\n
911<\/td>\nSI_F13_Ch39
Selected Codes and Standards Published by Various Societies and Associations <\/td>\n<\/tr>\n
936<\/td>\nORGANIZATIONS <\/td>\n<\/tr>\n
939<\/td>\nSI_F2013IndexIX
Abbreviations, F37
Absorbents
Absorption
Acoustics. See Sound
Activated carbon adsorption, A46.6
Adaptation, environmental, F9.16
ADPI. See Air diffusion performance index (ADPI)
Adsorbents
Adsorption
Aeration, of farm crops, A25
Aerosols, S29.1
Affinity laws for centrifugal pumps, S44.7
AFUE. See Annual fuel utilization efficiency (AFUE)
AHU. See Air handlers
Air
Air barriers, F26.5
Airborne infectious diseases, F10.7
Air cleaners. (See also Filters, air; Industrial exhaust gas cleaning)
Air conditioners. (See also Central air conditioning) <\/td>\n<\/tr>\n
940<\/td>\nAir conditioning. (See also Central air conditioning)
Air contaminants, F11. (See also Contaminants)
Aircraft, A12
Air curtains, display cases, R15.5
Air diffusers, S20
Air diffusion, F20
Air diffusion performance index (ADPI), A57.5
Air distribution, A57; F20; S4; S20
Air exchange rate
Air filters. See Filters, air
Airflow <\/td>\n<\/tr>\n
941<\/td>\nAirflow retarders, F25.9, 10
Air flux, F25.2. (See also Airflow)
Air handlers
Air inlets
Air intakes
Air jets. See Air diffusion
Air leakage. (See also Infiltration)
Air outlets
Airports, air conditioning, A3.6
Air quality. [See also Indoor air quality (IAQ)]
Airtightness, F36.24
Air-to-air energy recovery, S26
Air-to-transmission ratio, S5.13
Air transport, R27
Air washers
Algae, control, A49.5
All-air systems
Ammonia
Anchor bolts, seismic restraint, A55.7
Anemometers
Animal environments
Annual fuel utilization efficiency (AFUE), S33.9; S34.2
Antifreeze
Antisweat heaters (ASH), R15.5
Apartment buildings
Aquifers, thermal storage, S51.6
Archimedes number, F20.6
Archives. See Museums, galleries, archives, and libraries
Arenas
Argon, recovery, R47.17
Asbestos, F10.5
ASH. See Antisweat heaters (ASH)
Atriums
Attics, unconditioned, F27.2
Auditoriums, A5.3
Automobiles <\/td>\n<\/tr>\n
942<\/td>\nAutopsy rooms, A9.5, 6
Avogadro\u2019s law, and fuel combustion, F28.10
Backflow-prevention devices, S47.13
BACnet\u00ae, A40.17; F7.18
Bacteria
Bakery products, R41
Balance point, heat pumps, S49.9
Balancing. (See also Testing, adjusting, and balancing)
BAS. See Building automation systems (BAS)
Baseboard units
Basements
Beer\u2019s law, F1.16
Bernoulli equation, F21.1
Best efficiency point (BEP), S44.7
Beverages, R39
BIM. See Building information modeling (BIM)
Bioaerosols
Biocides, control, A49.5
Biodiesel, F28.6
Biological safety cabinets, A16.6
Biomanufacturing cleanrooms, A18.7
Bioterrorism. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
Boilers, S32
Boiling
Brayton cycle
Bread, R41
Breweries
Brines. See Coolants, secondary
Building automation systems (BAS), A40.17; F7.14
Building energy monitoring, A41. (See also Energy, monitoring)
Building envelopes <\/td>\n<\/tr>\n
943<\/td>\nBuilding information modeling (BIM), A40.15
Building materials, properties, F26
Building thermal mass
Burners
Buses
Bus terminals
Butane, commercial, F28.5
CAD. See Computer-aided design (CAD)
Cafeterias, service water heating, A50.14, 21
Calcium chloride brines, F31.1
Candy
Capillary action, and moisture flow, F25.10
Capillary tubes
Carbon dioxide
Carbon emissions, F34.6
Carbon monoxide
Cargo containers, R25
Carnot refrigeration cycle, F2.6
Cattle, beef, and dairy, A24.7. (See also Animal environments)
CAV. See Constant air volume (CAV)
Cavitation, F3.13
CBRE. See Chemical, biological, radiological, and explosive (CBRE) incidents
Ceiling effect. See Coanda effect
Ceilings
Central air conditioning, A42. (See also Air conditioning)
Central plants
Central systems
Cetane number, engine fuels, F28.8
CFD. See Computational fluid dynamics (CFD)
Charging, refrigeration systems, R8.4
Chemical, biological, radiological, and explosive (CBRE) incidents, A59
Chemical plants <\/td>\n<\/tr>\n
944<\/td>\nChemisorption, A46.7
Chilled beams, S20.9
Chilled water (CW)
Chillers
Chilton-Colburn j-factor analogy, F1.7
Chimneys, S35
Chlorinated polyvinyl chloride (CPVC), A34.6
Chocolate, R42.1 (See also Candy)
Choking, F3.13
CHP systems. See Combined heat and power (CHP)
Cinemas, A5.3
Claude cycle, R47.8
Cleanrooms. See Clean spaces
Clean spaces, A18
Clear-sky solar radiation, calculation, F14.7
Climate change, effect on climatic design conditions, F14.14
Climatic design information, F14
Clothing
CLTD\/CLF. See Cooling load temperature differential method with solar cooling load factors (CLTD\/CLF)
Coal
Coanda effect, A33.6; F20.2, 6; S20.2
Codes, F39. (See also Standards) <\/td>\n<\/tr>\n
945<\/td>\nCoefficient of performance (COP)
Cogeneration. See Combined heat and power (CHP)
Coils
Colburn\u2019s analogy, F1.17
Colebrook equation
Collectors, solar, A35.6, 11, 23, 25; S37.3
Colleges and universities, A7.11
Combined heat and power (CHP), S7
Combustion, F28
Combustion air systems
Combustion turbine inlet cooling (CTIC), S7.20; S8.1
Comfort. (See also Physiological principles, humans)
Commercial and public buildings, A3.1 <\/td>\n<\/tr>\n
946<\/td>\nCommissioning, A43
Compressors, S38
Computational fluid dynamics (CFD), F13.1
Computer-aided design (CAD), A18.5; A40.14
Computers, A40
Concert halls, A5.4
Concrete
Condensate
Condensation
Condensers, S39 <\/td>\n<\/tr>\n
947<\/td>\nConductance, thermal, F1.3; F25.1
Conduction
Conductivity, thermal, F25.1; F26.1
Constant air volume (CAV)
Constant-volume, all-air systems
Construction. (See also Building envelopes)
Containers. (See also Cargo containers)
Contaminants
Continuity, fluid dynamics, F3.2
Control. (See also Controls, automatic; Supervisory control)
Controlled-atmosphere (CA) storage <\/td>\n<\/tr>\n
948<\/td>\nControlled-environment rooms (CERs), and plant growth, A24.16
Controls, automatic, F7. (See also Control)
Convection
Convectors
Convention centers, A5.5
Conversion factors, F38
Coolants, secondary
Coolers. (See also Refrigerators)
Cooling. (See also Air conditioning)
Cooling load
Cooling load temperature differential method with solar cooling load factors (CLTD\/CLF), F18.49
Cooling towers, S40 <\/td>\n<\/tr>\n
949<\/td>\nCool storage, S51.1
COP. See Coefficient of performance (COP)
Corn, drying, A25.1
Correctional facilities. See Justice facilities
Corrosion
Costs. (See also Economics)
Cotton, drying, A25.8
Courthouses, A9.4
Courtrooms, A9.5
CPVC. See Chlorinated polyvinyl chloride (CPVC)
Crawlspaces
Critical spaces
Crops. See Farm crops
Cruise terminals, A3.6
Cryogenics, R47
Curtain walls, F15.5
Cycloparaffins, R12.3
Dairy products, R33 <\/td>\n<\/tr>\n
950<\/td>\nDampers
Dams, concrete cooling, R45.1
Darcy equation, F21.6
Darcy-Weisbach equation
Data-driven modeling
Data processing areas
Daylighting
DDC. See Direct digital control (DDC)
Dedicated outdoor air system (DOAS), S4.13; S18.2, 7; S25.4
Defrosting
Degree-days, F14.12
Dehumidification, A47.12; S24
Dehumidifiers
Dehydration
Density
Dental facilities, A8.15
Desiccants, F32.1; S24.1
Design-day climatic data, F14.12
Desorption isotherm, F26.19
Desuperheaters
Dew-point
Diamagnetism, and superconductivity, R47.5
Diesel fuel, F28.8
Diffusers, air, sound control, A48.12
Diffusion
Diffusivity
Dilution
Dining halls, in justice facilities, A9.4
DIR. See Dispersive infrared (DIR)
Direct digital control (DDC), F7.4, 10
Direct numerical simulation (DNS), turbulence modeling, F13.4; F24.10
Dirty bombs. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
Discharge coefficients, in fluid flow, F3.9
Dispersive infrared (DIR), F7.9
Display cases, R15.1, 4
District energy (DE), S12.1
District heating and cooling (DHC), S12 <\/td>\n<\/tr>\n
951<\/td>\nd-limonene, F31.13
DNS. See Direct numerical simulation (DNS)
Doors
Dormitories
Draft
Drag, in fluid flow, F3.5
Driers, R7.6. (See also Dryers)
Drip station, steam systems, S12.11
Dryers. (See also Driers)
Drying
DTW. See Dual-temperature water (DTW) system
Dual-duct systems
Dual-temperature water (DTW) system, S13.1
DuBois equation, F9.3
Duct design
Ducts
Dust mites, F25.17
Dusts, S29.1
Dynamometers, A17.1
Earth, stabilization, R45.3, 4
Earthquakes, seismic-resistant design, A55.1
Economic analysis, A37
Economic coefficient of performance (ECOP), S7.49
Economics. (See also Costs)
Economizers
ECOP. See Economic coefficient of performance (ECOP)
ECS. See Environmental control system (ECS)
Eddy diffusivity, F1.7
Educational facilities, A7
EER. See Energy efficiency ratio (EER)
Effectiveness, heat transfer, F1.21
Effective radiant flux (ERF), A54.2
Efficiency <\/td>\n<\/tr>\n
952<\/td>\nEggs, R34
EIFS. See Exterior insulation finishing system (EIFS)
Electricity
Electric thermal storage (ETS), S51.16
Electrostatic precipitators, S29.6; S30.7
Elevators
Emissions, pollution, F28.7
Emissivity, F1.2
Emittance, thermal, F25.2
Enclosed vehicular facilities, A15
Energy
Energy efficiency ratio (EER), S50.1
Energy savings performance contracting (ESPC), A37.8
Energy transfer station, S12.32
Engines, S7
Engine test facilities, A17
Enhanced tubes. See Finned-tube heat transfer coils
Enthalpy
Entropy, F2.1
Environmental control <\/td>\n<\/tr>\n
953<\/td>\nEnvironmental control system (ECS), A12
Environmental health, F10
Environmental tobacco smoke (ETS)
Equipment vibration, A48.42; F8.17
ERF. See Effective radiant flux (ERF)
ESPC. See Energy savings performance contracting (ESPC)
Ethylene glycol, in hydronic systems, S13.23
ETS. See Environmental tobacco smoke (ETS); Electric thermal storage (ETS)
Evaluation. See Testing
Evaporation, in tubes
Evaporative coolers. (See also Refrigerators)
Evaporative cooling, A52
Evaporators. (See also Coolers, liquid)
Exfiltration, F16.1
Exhaust
Exhibit buildings, temporary, A5.8
Exhibit cases, A23.5, 16
Exhibition centers, A5.5
Expansion joints and devices, S46.10
Expansion tanks, S12.8
Explosions. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
Fairs, A5.8
Family courts, A9.3. (See also Juvenile facilities)
Fan-coil units, S5.6
Fans, S21
Farm crops, drying and storing, A25
Faults, system, reasons for detecting, A39.6
f-Chart method, sizing heating and cooling systems, A35.20
Fenestration. (See also Windows) <\/td>\n<\/tr>\n
954<\/td>\nFick\u2019s law, F1.1
Filters, air, S29. (See also Air cleaners)
Filters, water, A49.7
Finned-tube heat-distributing units, S36.1, 5
Finned-tube heat transfer coils, F1.25
Fins, F1.6
Fire\/smoke management. See Smoke management
Firearm laboratories, A9.6
Fireplaces, S34.4
Fire safety
Fish, R19; R32
Fitness facilities. (See also Gymnasiums)
Fittings
Fixed-guideway vehicles, A11.7. (See also Mass-transit systems)
Fixture units, A50.1, 26
Flammability limits, gaseous fuels, F28.1
Flash tank, steam systems, S11.15
Floors
Flowers, cut
Flowmeters, A38.13; F36.18
Fluid dynamics computations, F13.1
Fluid flow, F3
Food. (See also specific foods) <\/td>\n<\/tr>\n
955<\/td>\nFood service
Forced-air systems, residential, A1.1
Forensic labs, A9.5
Fouling factor
Foundations, moisture control, A44.11
Fountains, Legionella pneumophila control, A49.7
Fourier\u2019s law, and heat transfer, F25.5
Four-pipe systems, S5.5
Framing
Freeze drying, A30.6
Freeze prevention. (See also Freeze protection systems)
Freeze protection systems, A51.17, 19
Freezers
Freezing
Friction, in fluid flow
Fruit juice, R38
Fruits
Fuel cells, combined heat and power (CHP), S7.22
Fuels, F28
Fume hoods, laboratory exhaust, A16.3
Fungal pathogens, F10.8
Furnaces, S33
Galleries. See Museums, galleries, archives, and libraries
Garages
Gases <\/td>\n<\/tr>\n
956<\/td>\nGas-fired equipment, S34. (See also Natural gas)
Gas vents, S35.1
GCHP. See Ground-coupled heat pumps (GCHP)
Generators
Geothermal energy, A34
Geothermal heat pumps (GHP), A34.10
Glaser method, F25.15
Glazing
Global warming potential (GWP), R6.1
Glycols, desiccant solution, S24.2
Graphical symbols, F37
Green design, and sustainability, F35.1
Greenhouses. (See also Plant environments)
Grids, for computational fluid dynamics, F13.4
Grilles, S20.4, 7
Ground-coupled heat pumps (GCHP)
Ground-source heat pumps (GSHP), A34.1, 9
Groundwater heat pumps (GWHP), A34.25
GSHP. See Ground-source heat pumps (GSHP)
Guard stations, in justice facilities, A9.4
GWHP. See Groundwater heat pumps (GWHP)
GWP. See Global warming potential (GWP)
Gymnasiums, A5.5; A7.3
HACCP. See Hazard analysis and critical control point (HACCP)
Halocarbon
Hartford loop, S11.3
Hay, drying, A25.7
Hazard analysis and control, F10.4
Hazard analysis and critical control point (HACCP), R22.4
Hazen-Williams equation, F22.1
HB. See Heat balance (HB)
Health
Health care facilities, A8. (See also specific types)
Heat
Heat and moisture control, F27.1
Heat balance, S9.19
Heat capacity, F25.1
Heat control, F27
Heaters, S34
Heat exchangers, S48 <\/td>\n<\/tr>\n
957<\/td>\nHeat flow, F25. (See also Heat transfer)
Heat flux, F25.1
Heat gain. (See also Load calculations)
Heating
Heating load
Heating values of fuels, F28.3, 7, 9
Heat loss. (See also Load calculations)
Heat pipes, air-to-air energy recovery, S26.13
Heat pumps
Heat recovery. (See also Energy, recovery)
Heat storage. See Thermal storage
Heat stress
Heat transfer, F4; F25; F26; F27. (See also Heat flow) <\/td>\n<\/tr>\n
958<\/td>\nHeat transmission
Heat traps, A50.2
Helium
High-efficiency particulate air (HEPA) filters, A28.3; S29.6; S30.3
High-rise buildings. See Tall Buildings
High-temperature short-time (HTST) pasteurization, R33.2
High-temperature water (HTW) system, S13.1
Homeland security. See Chemical, biological, radiological, and explosive (CBRE) incidents
Hoods
Hospitals, A8.2
Hot-box method, of thermal modeling, F25.8
Hotels and motels, A6
Hot-gas bypass, R1.34
Houses of worship, A5.3
HSI. See Heat stress, index (HSI)
HTST. See High-temperature short-time (HTST) pasteurization
Humidification, S22
Humidifiers, S22
Humidity
HVAC security, A59
Hydrogen, liquid, R47.2
Hydronic systems, S35. (See also Water systems) <\/td>\n<\/tr>\n
959<\/td>\nHygrometers, F7.9; F36.10, 11
Hygrothermal loads, F25.2
Hygrothermal modeling, F25.16; F27.10
IAQ. See Indoor air quality (IAQ)
IBD. See Integrated building design (IBD)
Ice
Ice makers
Ice rinks, A5.5; R44
ID50\u201a mean infectious dose, A59.8
Ignition temperatures of fuels, F28.2
IGUs. See Insulating glazing units (IGUs)
Illuminance, F36.30
Indoor air quality (IAQ). (See also Air quality)
Indoor environmental modeling, F13
Induction
Industrial applications
Industrial environments, A14; A31; A32
Industrial exhaust gas cleaning, S29. (See also Air cleaners)
Industrial hygiene, F10.3
Infiltration. (See also Air leakage)
Infrared applications
In-room terminal systems
Instruments, F14. (See also specific instruments or applications)
Insulating glazing units (IGUs), F15.4
Insulation, electrical, R6.9
Insulation, thermal <\/td>\n<\/tr>\n
960<\/td>\nIntegrated building design (IBD), A58.1
Integrated design process (IDP), A58.1
Intercoolers, ammonia refrigeration systems, R2.3
Jacketing, insulation, R10.7
Jails, A9.3
Joule-Thomson cycle, R47.6
Judges\u2019 chambers, A9.5
Juice, R38.1
Jury facilities, A9.5
Justice facilities, A9
Juvenile facilities, A9.1. (See also Family courts)
K-12 schools, A7.2
Kelvin\u2019s equation, F25.11
Kirchoff\u2019s law, F1.13
Kitchens, A33
Kleemenko cycle, R47.13
Krypton, recovery, R47.18
Laboratories, A16 <\/td>\n<\/tr>\n
961<\/td>\nLaboratory information management systems (LIMS), A9.7
Lakes, heat transfer, A34.30
Laminar flow
Large eddy simulation (LES), turbulence modeling, F13.3; F24.10
Laser Doppler anemometers (LDA), F36.17
Laser Doppler velocimeters (LDV), F36.17
Latent energy change materials, S51.2
Laundries
LCR. See Load collector ratio (LCR)
LD50\u201a mean lethal dose, A59.8
LDA. See Laser Doppler anemometers (LDA)
LDV. See Laser Doppler velocimeters (LDV)
LE. See Life expectancy (LE) rating
Leakage
Leakage function, relationship, F16.15
Leak detection of refrigerants, F29.9
Legionella pneumophila, A49.6; F10.7
Legionnaires\u2019 disease. See Legionella pneumophila
LES. See Large eddy simulation (LES)
Lewis relation, F1.9; F9.4
Libraries. See Museums, galleries, archives, and libraries
Life expectancy (LE) rating, film, A22.3
Lighting
Light measurement, F36.30
LIMS. See Laboratory information management systems (LIMS)
Linde cycle, R47.6
Liquefied natural gas (LNG), S8.6
Liquefied petroleum gas (LPG), F28.5
Liquid overfeed (recirculation) systems, R4
Lithium bromide\/water, F30.69
Lithium chloride, S24.2
Load calculations
Load collector ratio (LCR), A35.21
Local exhaust. See Exhaust
Loss coefficients
Louvers, F15.29
Low-temperature water (LTW) system, S13.1
LPG. See Liquefied petroleum gas (LPG)
LTW. See Low-temperature water (LTW) system
Lubricants, R12. (See also Lubrication; Oil)
Lubrication, R12
Mach number, S38.31
Maintenance. (See also Operation and maintenance) <\/td>\n<\/tr>\n
962<\/td>\nMakeup air units, S28.8
Malls, A2.6
Manometers, differential pressure readout, A38.12
Manufactured homes, A1.7
Masonry, insulation, F26.7. (See also Building envelopes)
Mass transfer, F1
Mass-transit systems
McLeod gages, F36.13
Mean infectious dose (ID50), A59.8
Mean lethal dose (LD50), A59.8
Mean radiant temperature (MRT), A54.1
Mean temperature difference, F1.21
Measurement, F36. (See also Instruments)
Meat, R30
Mechanical equipment room, central
Mechanical traps, steam systems, S11.8
Medium-temperature water (MTW) system, S13.1
Meshes, for computational fluid dynamics, F13.4
Metabolic rate, F9.6
Metals and alloys, low-temperature, R48.6
Microbial growth, R22.4
Microbial volatile organic chemicals (MVOCs), F10.7
Microbiology of foods, R22.1
Microphones, F36.27
Mines, A29
Modeling. (See also Data-driven modeling; Energy, modeling)
Moist air
Moisture <\/td>\n<\/tr>\n
963<\/td>\nMold, F25.17
Montreal Protocol, F29.1
Motors, S45
Movie theaters, A5.3
MRT. See Mean radiant temperature (MRT)
Multifamily residences, A1.6
Multiple-use complexes
Multisplit unitary equipment, S49.1
Multizone airflow modeling, F13.14
Museums, galleries, archives, and libraries
MVOCs. See Microbial volatile organic compounds (MVOCs)
Natatoriums. (See also Swimming pools)
Natural gas, F28.5
Navier-Stokes equations, F13.1
NC curves. See Noise criterion (NC) curves
Net positive suction head (NPSH), A34.27; S44.10
Net positive suction pressure (NPSP), R2.3
Night setback, recovery, A42.36
Nitrogen
Noise, F8.13. (See also Sound)
Noise criterion (NC) curves, F8.16
Noncondensable gases
NPSP. See Net positive suction pressure (NPSP)
NTU. See Number of transfer units (NTU)
Nuclear facilities, A28
Number of transfer units (NTU)
Nursing facilities, A8.14
Nuts, storage, R42.7
Odors, F12
ODP. See Ozone depletion potential (ODP)
Office buildings
Oil, fuel, F28.6
Oil. (See also Lubricants)
Olf unit, F12.6
One-pipe systems
Operating costs, A37.4
Operation and maintenance, A39. (See also Maintenance) <\/td>\n<\/tr>\n
964<\/td>\nOptimization, A42.4
Outdoor air, free cooling
Outpatient health care facilities, A8.14
Owning costs, A37.1
Oxygen
Ozone
Ozone depletion potential (ODP), R6.1
PAC. See Polycyclic aromatic compounds (PAC)
Packaged terminal air conditioners (PTACs), S50.5
Packaged terminal heat pumps (PTHPs), S50.5
PAH. See Polycyclic aromatic hydrocarbons (PAH)
Paint, and moisture problems, F25.17
Panel heating and cooling, S6. (See also Radiant heating and cooling)
Paper
Paper products facilities, A26
Paraffins, R12.3
Parallel compressor systems, R15.14
Particulate matter, indoor air quality (IAQ), F10.4, 6
Pasteurization, R33.2
Peanuts, drying, A25.8
PEL. See Permissible exposure limits (PEL)
Performance contracting, A41.2
Permafrost stabilization, R45.4
Permeability
Permeance
Permissible exposure limits (PELs), F10.6
Personal environmental control (PEC) systems, F9.25
Pharmaceutical manufacturing cleanrooms, A18.7
Phase-change materials, thermal storage of, S51.15, 25
Photographic materials, A22
Photovoltaic (PV) systems, S36.18. (See also Solar energy)
Physical properties of materials, F33
Physiological principles, humans. (See also Comfort)
Pigs. See Swine
Pipes, S46. (See also Piping) <\/td>\n<\/tr>\n
965<\/td>\nPiping. (See also Pipes)
Pitot-static tubes, F36.17
Pitot tubes, A38.2; F36.17
Places of assembly, A5
Planes. See Aircraft
Plank\u2019s equation, R20.7
Plant environments, A24.10
Plenums
PMV. See Predicted mean vote (PMV)
Police stations, A9.1
Pollutant transport modeling. See Contami- nants, indoor, concentration prediction
Pollution, air, and combustion, F28.7, 14
Polycyclic aromatic hydrocarbons (PAHs), F10.6
Polydimethylsiloxane, F31.13
Ponds, spray, S40.6
Pope cell, F36.12
Positive positioners, F7.8
Potatoes
Poultry. (See also Animal environments; Chickens; Turkeys)
Power-law airflow model, F13.14
Power plants, A27
PPD. See Predicted percent dissatisfied (PPD)
Prandtl number, F1.17
Precooling
Predicted mean vote (PMV), F36.31
Predicted percent dissatisfied (PPD), F9.18
Preschools, A7.1
Pressure
Pressure drop. (See also Darcy-Weisbach equation)
Primary-air systems, S5.10 <\/td>\n<\/tr>\n
966<\/td>\nPrinting plants, A20
Prisons, A9.3
Produce
Propane
Propylene glycol, hydronic systems, S13.23
Psychrometers, F1.9
Psychrometrics, F1
PTACs. See Packaged terminal air condition- ers (PTACs)
PTHPs. See Packaged terminal heat pumps (PTHPs)
Public buildings. See Commercial and public buildings; Places of assembly
Pulldown load, R15.5
Pumps
Purge units, centrifugal chillers, S43.11
Radiant heating and cooling, A55; S6.1; S15; S33.4. (See also Panel heating and cooling)
Radiant time series (RTS) method, F18.2, 20
Radiation
Radiators, S36.1, 5
Radioactive gases, contaminants, F11.19
Radiometers, A54.7
Radon, F10.11, 17, 22
Rail cars
Railroad tunnels, ventilation
Rain, and building envelopes, F25.4
RANS. See Reynolds-Averaged Navier-Stokes (RANS) equation
Rapid-transit systems. See Mass-transit systems
Rayleigh number, F1.19
RC curves. See Room criterion (RC) curves
Receivers
Recycling refrigerants, R9.3
Refrigerant\/absorbent pairs, F2.15
Refrigerant-control devices, R11 <\/td>\n<\/tr>\n
967<\/td>\nRefrigerants, F29.1
Refrigerant transfer units (RTU), liquid chillers, S43.11
Refrigerated facilities, R23
Refrigeration, F1.1. (See also Absorption) <\/td>\n<\/tr>\n
968<\/td>\nRefrigeration, F1.1. (See also Adsorption)
Refrigeration oils, R12. (See also Lubricants)
Refrigerators
Regulators. (See also Valves)
Residential systems, A1
Resistance, thermal, F4; F25; F26. (See also R-values)
Resistance temperature devices (RTDs), F7.9; F36.6
Resistivity, thermal, F25.1
Resource utilization factor (RUF), F34.2
Respiration of fruits and vegetables, R19.17
Restaurants
Retail facilities, A2
Retrofit performance monitoring, A41.4
Retrofitting refrigerant systems, contaminant control, R7.9
Reynolds-averaged Navier-Stokes (RANS) equation, F13.3; F24.10
Reynolds number, F3.3
Rice, drying, A25.9
RMS. See Root mean square (RMS)
Road tunnels, A15.3
Roof ponds, Legionella pneumophila control, A49.7
Roofs
Room air distribution, A57; S20.1
Room criterion (RC) curves, F8.16
Root mean square (RMS), F36.1
Roughness factors, ducts, F21.6
RTDs. See Resistance temperature devices (RTDs)
RTS. See Radiant time series (RTS)
RTU. See Refrigerant transfer units (RTU)
RUF. See Resource utilization factor (RUF)
Rusting, of building components, F25.17
R-values, F23; F25; F26. (See also Resistance, thermal)
Safety
Safety showers, Legionella pneumophila control, A49.7
Sanitation <\/td>\n<\/tr>\n
969<\/td>\nSavings-to-investment-ratio (SIR), A37.11
Scale
Schematic design, A58.9
Schneider system, R23.7
Schools
Security. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
Seeds, storage, A25.11
Seismic restraint, A48.51; A55.1
Semivolatile organic compounds (SVOCs), F10.4, 12; F11.14
Sensors
Separators, lubricant, R11.23
Service water heating, A50
SES. See Subway environment simulation (SES) program
Shading
Ships, A13
Short-tube restrictors, R11.31
Single-duct systems, all-air, S4.10
SIR. See Savings-to-investment ratio (SIR)
Skating rinks, R44.1
Skylights, and solar heat gain, F15.27
Slab heating, A51
Slab-on-grade foundations, A44.11
SLR. See Solar-load ratio (SLR)
Smoke management, A53
Snow-melting systems, A51
Snubbers, seismic, A55.8
Sodium chloride brines, F31.1
Soft drinks, R39.10
Soils. (See also Earth)
Solar energy, A35; S37.1 (See also Solar heat gain; Solar radiation) <\/td>\n<\/tr>\n
970<\/td>\nSolar heat gain, F15; F18.14
Solar-load ratio (SLR), A35.21
Solar-optical glazing, F15.13
Solar radiation, F14.7; F15.17
Solid fuel
Solvent drying, constant-moisture, A30.7
Soot, F28.17
Sorbents, F32.1
Sorption isotherm, F25.10, F26.19
Sound, F8. (See also Noise)
Sound control, A48; F8. (See also Noise)
Soybeans, drying, A25.6
Specific heat
Spot cooling
Spot heating, A54.4
Stack effect
Stadiums, A5.4
Stairwells, smoke control, A53.9
Standard atmosphere, U.S., F1.1
Standards, F39. (See also Codes) <\/td>\n<\/tr>\n
971<\/td>\nStandards, S52. (See also Codes)
Static electricity and humidity, S22.2
Steam
Steam systems, S11
Steam traps, S11.7
Stefan-Boltzmann equation, F1.2, 12
Stevens\u2019 law, F12.3
Stirling cycle, R47.14
Stokers, S31.16
Storage
Stoves, heating, S34.5
Stratification
Stroboscopes, F36.27
Subcoolers
Subway environment simulation (SES) program, A15.3
Subway systems. (See also Mass-transit systems)
Suction risers, R2.26
Sulfur content, fuel oils, F28.7
Superconductivity, diamagnetism, R47.5
Supervisory control, A42
Supply air outlets, S20.1. (See also Air outlets)
Surface effect. See Coanda effect
Surface transportation
Surface water heat pump (SWHP), A34.12
Sustainability, F16.1; F35.1; S49.2 <\/td>\n<\/tr>\n
972<\/td>\nSVFs. See Synthetic vitreous fibers (SVFs)
SVOCs. See Semivolatile organic compounds (SVOCs)
SWHP. See Surface water heat pump (SWHP)
Swimming pools. (See also Natatoriums)
Swine, recommended environment, A24.7
Symbols, F37
Synthetic vitreous fibers (SVFs), F10.5
Tachometers, F36.27
Tall buildings, A4
Tanks, secondary coolant systems, R13.2
Temperature
Temperature-controlled transport, R25.1
Temperature index, S22.3
Terminal units, A47.12; S20.8
Terminology, R50
Terrorism. See Chemical, biological, radio- logical, and explosive (CBRE) incidents
TES. See Thermal energy storage (TES)
Testing
Testing, adjusting, and balancing. (See also Balancing)
TETD\/TA. See Total equivalent temperature differential method with time averaging (TETD\/TA)
TEWI. See Total equivalent warming impact (TEWI)
Textile processing plants, A21
TFM. See Transfer function method (TFM)
Theaters, A5.3
Thermal bridges, F25.8
Thermal comfort. See Comfort
Thermal emittance, F25.2
Thermal energy storage (TES), S8.5, S51
Thermal properties, F26.1
Thermal resistivity, F25.1
Thermal storage, S51 <\/td>\n<\/tr>\n
973<\/td>\nThermal transmission data, F26
Thermistors, R11.4
Thermodynamics, F2.1
Thermometers, F36.5
Thermopile, F7.4; F36.9; R45.4
Thermosiphons
Thermostats
Three-pipe distribution, S5.5
Tobacco smoke
Tollbooths
Total equivalent temperature differential method with time averaging (TETD\/TA), F18.49
Total equivalent warming impact (TEWI), R6.1
Trailers and trucks, refrigerated, R25. (See also Cargo containers)
Transducers, pneumatic pressure, F7.10
Transfer function method (TFM), A40.9; F18.49
Transmittance, thermal, F25.2
Transmitters, pneumatic pressure, F7.10
Transpiration, R19.19
Transportation centers
Transport properties of refrigerants, F30
Traps
Trucks, refrigerated, R25. (See also Cargo containers)
Tuning automatic control systems, F7.18
Tunnels, vehicular, A15.1
Turbines, S7
Turbochargers, heat recovery, S7.34
Turbulence modeling, F13.3
Turbulent flow, fluids, F3.3
Turndown ratio, design capacity, S13.4
Two-node model, for thermal comfort, F9.18
Two-pipe systems, S5.5; S13.19
U.S. Marshal spaces, A9.5
U-factor
Ultralow-penetration air (ULPA) filters, S29.6; S30.3
Ultraviolet (UV) lamp systems, S17 <\/td>\n<\/tr>\n
974<\/td>\nUltraviolet air and surface treatment, A60
Ultraviolet germicidal irradiation (UVGI), S16.1. [See also Ultraviolet (UV) lamp systems]
Uncertainty analysis
Underfloor air distribution (UFAD) systems, A4.5; A57.9
Unitary systems, S49
Unit heaters. See Heaters
Units and conversions, F38.1
Unit ventilators, S28.1
Utility interfacing, electric, S7.43
UV. See Ultraviolet (UV) lamp systems
UVGI. See Ultraviolet germicidal irradiation (UVGI)
Vacuum cooling, of fruits and vegetables, R28.9
Validation, of airflow modeling, F13.9, 10, 17
Valves, S46. (See also Regulators)
Vaporization systems, S8.6
Vapor pressure, F27.8; F33.2
Vapor retarders, jackets, F23.12
Variable-air-volume (VAV) systems
Variable-frequency drives, S45.12
Variable refrigerant flow (VRF), S18.1; S49.1, 13
VAV. See Variable-air-volume (VAV) systems
Vegetables, R37
Vehicles
Vena contracta, F3.4
Vending machines, R16.5
Ventilation, F16 <\/td>\n<\/tr>\n
975<\/td>\nVentilators
Venting
Verification, of airflow modeling, F13.9, 10, 17
Vessels, ammonia refrigeration systems, R2.3
Vibration, F8.17
Vibration control, A48
Viral pathogens, F10.8
Virgin rock temperature (VRT), and heat release rate, A29.3
Viscosity, F3.1
Volatile organic compounds (VOCs), F10.11
Voltage, A56.1
Volume ratio, compressors
VRF. See Variable refrigerant flow (VRF)
VRT. See Virgin rock temperature (VRT)
Walls
Warehouses, A3.8
Water
Water heaters
Water\/lithium bromide absorption
Water-source heat pump (WSHP), S2.4; S49.10
Water systems, S13 <\/td>\n<\/tr>\n
976<\/td>\nWater treatment, A49
Water vapor control, A44.6
Water vapor permeance\/permeability, F26.16, 17
Water vapor retarders, F26.6
Water wells, A34.26
Weather data. See Climatic design information
Welding sheet metal, S19.10
Wet-bulb globe temperature (WBGT), heat stress, A31.5
Wheels, rotary enthalpy, S26.9
Whirlpools and spas
Wien\u2019s displacement law, F1.12
Wind. (See also Climate design information; Weather data)
Wind chill index, F9.23
Windows. (See also Fenestration)
Wind restraint design, A55.15
Wineries
Wood construction, and moisture, F25.10
Wood products facilities, A26.1
Wood pulp, A26.2
Wood stoves, S34.5
World Wide Web (WWW), A40.8
WSHP. See Water-source heat pump (WSHP)
WWW. See World Wide Web (WWW)
Xenon, R47.18 <\/td>\n<\/tr>\n
977<\/td>\nF13AdditionsSI <\/td>\n<\/tr>\n
981<\/td>\nSI_CommentPage <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

2013 ASHRAE Handbook Fundamentals – SI Edition<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ASHRAE<\/b><\/a><\/td>\n2013<\/td>\n992<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":98678,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2719],"product_tag":[],"class_list":{"0":"post-98677","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ashrae","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/98677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/98678"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=98677"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=98677"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=98677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}