Acoustical Science and Technology
Online ISSN : 1347-5177
Print ISSN : 1346-3969
ISSN-L : 0369-4232
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A study on the influence of humps on road traffic noise
Rufin MakarewiczMichał GałuszkaRoman GołębiewskiPiotr Kokowski
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2012 年 33 巻 5 号 p. 310-315

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The analysis of the road humps influence on traffic noise is based on ASJ RTN-Model 2008 of noise emission. A single hump decelerates each vehicle and decreases noise emission. Unfortunately, the subsequent accelerations bring about an increases in noise emission. A series of humps lowers the average vehicle speed and, under certain conditions, reduces traffic noise level. It is shown that this reduction is a function of two variables: the distance between two successive humps and the vehicle speed in the absence of humps.
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© 2012 by The Acoustical Society of Japan
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