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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/8861

Title: Prediction of vehicle pass-by noise
Authors: Braun, Michael E.
Walsh, Stephen J.
Horner, Jane L.
Issue Date: 2011
Publisher: © Institute of Acoustics
Citation: BRAUN, M.E., WALSH, S.J. and HORNER, J.L., 2011. Prediction of vehicle pass-by noise. IN: Acoustics 2011 A New Decade - A New Reality. Rethinking acoustic practices for the austerity decade. Proceedings of the Institute of Acoustics, 33(4). 14-15 September, Glasgow, UK.
Abstract: Environmental noise exposure represents a burden to people and can result in cardiovascular disease, sleep disturbance or annoyance. Road traffic noise is a main contributor to environmental noise, thus, it is intended to be reduced and limited by legislation in order to increase health and life quality. Vehicle pass-by noise tests are conducted according to the international standard ISO 362, which is suppose to reflect the noise emission of a vehicle in an urban traffic environment. It is discussed that nowadays urban traffic situation requires a change of the test procedure with accompanying reductions in pass-by noise limits. To achieve compliance with the pass-by noise test it is important that vehicle engineers have access to predictive tools at the design stage. In this paper the initial development of a pass-by noise predictive tool is reported. To begin with, the vehicle pass-by noise test according to standard ISO 362 is summarized. Existing public domain literature is reviewed and an analysis of the characteristics of the four major noise sources (engine, intake and exhaust system, tyre/road system) contributing to pass-by noise is presented. An experimental set-up involving a point source loudspeaker on a moving trolley is described. Experimental measurements made within an anechoic chamber are used as validation data for the predicted pass-by noise.
Description: This is a conference paper presented at Acoustics 2011, 14-15 September, Glasgow, UK.
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/8861
Publisher Link: http://www.ioa.org.uk/
Appears in Collections:Conference Papers and Presentations (Aeronautical and Automotive Engineering)

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