Toward the acoustical characterization of asphalt pavements: Analysis of the tire/road sound from a porous surface
- 1 January 2009
- journal article
- Published by Acoustical Society of America (ASA) in The Journal of the Acoustical Society of America
- Vol. 125 (1), 5-7
- https://doi.org/10.1121/1.3025911
Abstract
Sound level in close proximity to the contact patch of the tire and road (L(CPtr)) is analyzed as a function of the vehicle speed in the acoustic frequency range, showing different behavior depending on frequency. At least two regions are observed; one at low frequencies, where the variation in sound with speed (coefficient B) increases with frequency, and the other at higher frequencies, where such sound/speed variation does not increase significantly with frequency. The dependence of B at low frequencies seems to be correlated with the high sound absorption of this porous surface.Keywords
This publication has 3 references indexed in Scilit:
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