Noise source characteristics in the ISO 362 vehicle pass-by noise test: Literature review Review Article
Authors: M.E. Braun, S.J. Walsh, J.L. Horner, R. Chuter
Abstract:
Since many people are exposed to road traffic noise in urban areas, current legislation aims to limit vehicle noise emissions. In Europe, the vehicle pass-by noise test is implemented according to the international standard ISO 362. As a result of more recent investigations of urban traffic, a revision to the ISO 362 standard has been proposed that includes a constant-speed test in addition to the traditional accelerated test in order to determine the pass-by noise value. To ensure compliance with the pass-by noise test vehicle manufacturers and suppliers must quantify vehicle noise source characteristics during the design stage of the vehicle. In addition, predictive tools need to be available during the product development phase in order to estimate the final pass-by noise level. In this paper an extensive literature survey is presented of noise source characteristics in the ISO 362 vehicle pass-by noise test. Vehicle pass-by noise is analysed in the time and frequency domains and a ranking of the noise source contributions is established. The characteristics of the four major noise sources (engine, intake system, exhaust system, tyre/road system) contributing to pass-by noise as well as current prediction methods are reviewed.
Keywords:
Vehicle noise source characteristics
Vehicle pass-by noise test
Pass-by noise prediction
Engine noise
Exhaust noise
Tyre/road noise
Published in: Applied Acoustics (Volume 74, Issue 11, November 2013)
Publisher: Elsevier
ISSN Information: 0003-682X
Noise source characteristics in the ISO 362 vehicle pass-by noise test: Literature review Review Article
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