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BS ISO 21234:2022

BS ISO 21234:2022

$142.49

Road vehicles. Heavy commercial vehicles and buses. Mass moment of inertia measurement

Published By Publication Date Number of Pages
BSI 2022 28
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PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principles
11 5 Variables
5.1 Reference system
5.2 Variables to be measured
12 6 Measuring equipment
7 Test conditions
7.1 General
7.2 Ambient conditions
7.3 Test surface
7.4 Test vehicle
13 7.5 Operating and other liquids
7.6 Loading conditions, suspension and mechanical parts
8 Determination of the Ixx, Iyy, Izz, and Ixz mass moments of inertia
8.1 General
8.1.1 Platform levelness
8.1.2 Platform weight and stiffness
14 8.1.3 Pivot location
8.1.4 Vehicle weight
8.1.5 Vehicle/platform MOI comparison
8.1.6 Vehicle location on the platform
8.1.7 Vehicle restraints
8.1.8 Platform oscillation amplitude
15 8.1.9 Pivot bearing damping
8.1.10 Oscillation period measurement
16 8.2 Determination of Ixx and Iyy using a stable pendulum
8.2.1 General guidance
17 8.2.2 Procedure
8.2.3 Determination of Ixx and Iyy
18 8.2.4 Data presentation
8.3 Determination of Ixx and Iyy using an unstable pendulum
8.3.1 General guidance
8.3.2 Procedure
19 8.3.3 Calculation of Ixx and Iyy
20 8.3.4 Data presentation
8.4 Determination of Izz using a torsional pendulum
8.4.1 General guidance
8.4.2 Procedure
8.4.3 Calculation of Izz
21 8.4.4 Data presentation
8.5 Determination of Ixz using a torsional pendulum
8.5.1 General guidance
8.5.2 Procedure
8.5.3 Calculation of Ixz
22 8.5.4 Data presentation
8.6 Determination of Izz using a multi-filar torsional pendulum
8.6.1 General guidance
23 8.6.2 Procedure
24 8.6.3 Calculation of Izz
8.6.4 Data presentation
8.7 Ixx, Iyy, Izz, and Ixz results checks
8.8 Parallel Axis Theorem
25 Bibliography

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BS ISO 21234:2022
$142.49