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BS ISO 15086-3:2022

BS ISO 15086-3:2022

$167.15

Hydraulic fluid power. Determination of the fluid-borne noise characteristics of components and systems – Measurement of hydraulic impedance

Published By Publication Date Number of Pages
BSI 2022 34
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols
11 5 Test conditions and accuracy of instrumentation
5.1 Test conditions (permissible variations)
5.1.1 General
12 5.1.2 Fluid temperature
5.1.3 Fluid density and viscosity
5.1.4 Mean fluid pressure
5.1.5 Mean flow measurement
5.2 Instrumentation precision
5.2.1 Steady-state accuracy class
5.2.2 Dynamic-state accuracy class
6 Measurement of the impedance of a single-port passive component
6.1 Local impedance — Measurement principle
13 6.2 Hydraulic impedance
6.2.1 Measurement principle
6.2.2 Simplified algorithm for determining the component of the local hydraulic impedance
14 6.3 Factors influencing the accuracy of the impedance measurement
6.3.1 General
6.3.2 Pulse generator
15 6.3.3 Pressure transfer function measured by the PTx/PT3 pressure transducers and the calibration correction
6.3.4 Numerical value of terms A and B of the pipe section admittance matrix used for the indirect determination of the pulsed flows
17 6.4 Measurement of local impedance
6.4.1 Test circuit
18 6.4.2 Test procedure
22 7 Measurement of the admittance matrix and impedance matrix of a two-port passive hydraulic component
7.1 Definitions and principles of measurement of the admittance matrix and impedance matrix of a two-port passive hydraulic component
7.1.1 General
7.1.2 Principle of the method of measuring the admittance matrix
25 7.1.3 Algorithm for determining the admittance matrix of a two-port, passive component for identical dimensions of upstream and downstream pipes
28 7.1.4 Measurement result presentation
30 8 Test report
8.1 General
8.2 General information
8.3 Test data
31 9 Identification statement (reference to this document)
32 Bibliography

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BS ISO 15086-3:2022
$167.15