Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
753874 | Applied Acoustics | 2006 | 10 Pages |
Abstract
A speed bump reduces traffic noise levels during the deceleration phase and increases them during the acceleration phase. The net effect of a speed bump on noise from a light vehicle is assessed by means of the concept of noise energy density, S. This is a function of the instantaneous distance between the vehicle and the bump, S(x). To determine the function S(x) explicitly, five measurements of the sound exposure level, for each vehicle, are needed. It is assumed that the noise from each vehicle is generated by a single non-directional point source and propagates without vertical-surface reflections. An example prediction is presented based on measurements of sound exposure levels due to passenger cars.
Keywords
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Physical Sciences and Engineering
Engineering
Mechanical Engineering
Authors
Piotr Kokowski, Rufin Makarewicz,