NDLI: Adaptative study of closed and semi-closed noise barriers in a 3D ray tracing method

Content Provider	IEEE Xplore Digital Library
Author	Liu Zhi-Hong Wang Yan-Qin Wei Xian-Wei
Copyright Year	2011
Description	Author affiliation: School of marine technology, Environment Engineering, NWPU, Xi'An, China (Liu Zhi-Hong) \|\| Research Institute of Highway Ministry Transport, State Environment Protection Engineering Center of Traffic Noise Control, Key Laboratory of Environment Protection Technology on Road Traffic Ministry of Communications, BeiJing, China (Wang Yan-Qin; Wei Xian-Wei)
Abstract	Closed barrier and semi-closed barrier are presented in the paper, the adaptive research is performed. Reducing effect of noise barrier with closed and semi-closed structure was studied by noise simulating program—RAYNOISE. The applied range of the closed and semi-closed noise barrier is confirmed. Simulating results showed that noise reduction of closed-shaped structure has good reducing effect at higher area of the shadow area. The noise reduction is 6dB(A) at the receiving point 22.2m height and 60m far behind the noise barrier, which is 1dB(A) higher than the semi-closed noise barrier. So it is suitable for higher receiving point. Semi-closed-shaped noise barrier has a good reducing noise effect at the area lower than 3m.
Starting Page	7339
Ending Page	7342
File Size	380521
Page Count	4
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5966063
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Diffraction Roads Noise Noise reduction Buildings Raynoiset Closed barrier System-on-a-chip Semi-closed barriere Ray tracying method
Content Type	Text
Resource Type	Article

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