ISO-20908 › Tyre sound emission test - Methods of drum

ISO-20908 - 1ST EDITION - CURRENT


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This document specifies methods for measuring tyre-to-road sound emissions from tyres fitted on rig that applies 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 as defined in 3.1. 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.

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17.140.30 (Noise emitted by means of transport Including road noise, railway noise, harbour noise and airport noise Standards included in this group shall also be included in other groups and/or sub-groups according to their subject)

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Document Number

ISO 20908:2023

Revision Level

1ST EDITION

Status

Current

Publication Date

Jan. 1, 2023

Committee Number

ISO/TC 31