BSI 21/30405164 DC:2021 Edition

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BS ISO 20908. Tyre sound emission test. Methods of drum

Published By	Publication Date	Number of Pages
BSI	2021	46

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Categories: 17.140.30 - Noise emitted by means of transport, BSI

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Description

This document specifies methods for measuring tyre-to-road sound emissions from tyres fitted on rig applying the tyre on a rotating drum under coast-by conditions — i.e. when the tyre is in free-rolling, non-powered operation.

The specifications are intended to achieve a correlation between results of testing the exterior noise of tyres in a semi anechoic chamber and outdoor testing as described in ISO 13325.

This document is applicable to passenger cars and light commercial vehicles tyres of class C1 and C2, as defined in ISO 3833. It is not intended to be used to determine the sound contribution of tyres applying a torque, nor for the determination of traffic sound nuisance at a given location.

Additional information

Status	Definitive
Pages	46
Publication Date	2021-04-08
Standard Number	21/30405164 DC
Title	BS ISO 20908. Tyre sound emission test. Methods of drum
Identical National Standard Of	ISO/DIS 20908
Descriptors	Tread (tyres), Tyres, Pneumatic tyres, Cars, Freight road vehicles, Passenger vehicles, Vehicles, Sound (acoustics), Sound level, Sound measurement, Noise emission, Noise measurement (acoustic)
Publisher	BSI
Committee	AUE/4
ICS Codes	17.140.30 - Noise emitted by means of transport

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BSI 21/30405164 DC:2021 Edition

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