ISO-13471-2 › Acoustics - Temperature influence on tyre/road noise measurement - Part 2: Correction for temperature when testing with the pass-by methods

ISO-13471-2 - 1ST EDITION - CURRENT


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This document specifies correction procedures for the effect of temperature on vehicle noise emission, as influenced by the tyre/road noise contribution. Temperatures considered are road and ambient air temperatures.

The noise emission for which this document is applicable is measured by means of ISO 11819-1, or similar methods such as the American methods SIP and CTIM specified in References [3][4]. It is also applicable to other pass-by measurements conducted without acceleration, such as when testing tyres and vehicles on test tracks with ISO 10844[1] reference surfaces; however, given that tyre/road noise is dominant.

Measurement results obtained at a certain temperature, which may vary over a wide range, are normalized to a designated reference temperature (20 °C) using a correction procedure specified in this document.

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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)

43.020 (Road vehicles in general Including testing and recycling of road vehicles Road transport, see 03.220.20 Transport exhaust emissions, see 13.040.50)

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Document Number

ISO/TS 13471-2:2022

Revision Level

1ST EDITION

Status

Current

Publication Date

Sept. 1, 2022

Committee Number

ISO/TC 43/SC 1