ISO 21955:2021
								
									
									International Standard
								
								
								
									 
									Current Edition
									
								
								
									·
									Approved on
									17 August 2021
								
							
							Acoustics — Experimental method for transposition of dynamic forces generated by an active component from a test bench to a receiving structure
ISO 21955:2021 Files
													English
													
														58 Pages
													
												
												
													
														Current Edition
														
													
													
												
			                                
													88.55 OMR
												
			                                
			                                
			                            ISO 21955:2021 Scope
This document specifies a method to predict the dynamic forces generated by an active component on a receiving structure from measurement on a test bench.
It sets out the requirements applicable to test benches and setup measurement conditions of dynamic forces: a criterion of validity of transfer functions measurements can be established for example.
The objective is to evaluate noise and vibrations generated by active components mounted on receiving structures, including the possibility to optimise vibration isolators.
It can be applied to different systems connected to a building, such as a compressor or a power generator, or to systems connected to a vehicle body, such as an engine powertrain or an electrical actuator, for example.
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