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  • BSI
    21/30405164 DC BS ISO 20908. Tyre sound emission test. Methods of drum
    Edition: 2021
    $44.66
    / user per year

Description of 21/30405164 DC 2021

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.



Standard Number21/30405164 DC
TitleBS ISO 20908. Tyre sound emission test. Methods of drum
StatusDefinitive
Publication Date2021-04-08
Identical National Standard OfISO/DIS 20908
DescriptorsTread (tyres), Tyres, Pneumatic tyres, Cars, Freight road vehicles, Passenger vehicles, Vehicles, Sound (acoustics), Sound level, Sound measurement, Noise emission, Noise measurement (acoustic)
ICS17.140.30 Noise emitted by means of transport, 83.160.10 Road vehicle tyres
CommitteeAUE/4
PublisherBSI
Pages46

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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