Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24979
Title: Statistical tyre/road noise modeling in Hong Kong on friction course
Authors: Mak, KL
Hung, WT 
Keywords: Close proximity
Statistical noise modeling
Tyre/road noise
Issue Date: 2014
Publisher: Pergamon Press
Source: Applied acoustics, 2014, v. 76, p. 24-27 How to cite?
Journal: Applied acoustics 
Abstract: Based on the close proximity (CPX) method specified in ISO/DIS 11819-2, we recorded and analyzed the instantaneous tyre/road sound pressure levels with 9 road sections that are constructed with the same pavement surfacing materials, that is, friction course. A total of 1320 segments were made in urban areas with a pair of SRTT (Standard Road Test Tyre). We tried to relate the tyre/road noise with the instantaneous acceleration, speed, air temperature, road temperature, road gradient, road surface age to develop a multi-variants model. It was subsequently found that a simple tyre/road noise model linking driving speed and acceleration is the best model. The model provides an easy way to estimate the instantaneous tyre/road noise level. As the tyre/road noise is becoming more dominant component of the road traffic noise, our proposed model has the potential to improve the current practice in estimating the road traffic noise.
URI: http://hdl.handle.net/10397/24979
ISSN: 0003-682X
EISSN: 1872-910X
DOI: 10.1016/j.apacoust.2013.07.018
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