Chapter
Apr 26, 2012
Application Research of Similarity Theory and Scale Model in Sound Barrier Noise Test
Authors: Yan Liu [email protected], Bing Yang, Xiaopai Zhang, Jitan Guo, Bin Huang, Lijuan Qu, and Huayun SunAuthor Affiliations
Publication: ICCTP 2010: Integrated Transportation Systems: Green, Intelligent, Reliable
Abstract
The noise tests of the actual sound barrier and the scale model sound barrier are completed using the HEAD acoustics multi-channel noise test and analysis system based on similarity theory and model test knowledge. Comparison and analysis of the test results show that the scale model sound barrier has good consistency with the actual sound barrier in the frequency band from 125 to 5000Hz; the sound barriers have excellent noise reduction behavior for middle and high frequency noise, but the effect for low frequency is not good. The experiment results provide a high application value and practical significance for the future design of the sound barriers.
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© 2010 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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School of Traffic and Transportation Engineering, Dalian Jiaotong University, P.O. Box 395, Dalian China, ST116028 and State Key Lab of Subtropical Building Science, South China University of Technology, Guangzhou China, 510640.E-mail: [email protected]
Bing Yang
State Key Lab of Subtropical Building Science, South China University of Technology, Guangzhou China, 510640 and School of Mechanical Engineering, Dalian Jiaotong University, Dalian China, ST116028
Xiaopai Zhang
School of Traffic and Transportation Engineering, Dalian Jiaotong University, P.O. Box 395, Dalian China, ST116028
Jitan Guo
School of Civil Engineering, Dalian Jiaotong University, Dalian China, ST116028
Bin Huang
School of Mechanical Engineering, Dalian Jiaotong University, Dalian China, ST116028
Lijuan Qu
School of Traffic and Transportation Engineering, Dalian Jiaotong University, P.O. Box 395, Dalian China, ST116028
Huayun Sun
School of Traffic and Transportation Engineering, Dalian Jiaotong University, P.O. Box 395, Dalian China, ST116028
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