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《Journal of Beijing University of Aeronautics and Astronautics》 2009-05
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Experiment and analysis on sound absorption characteristics of metal rubber

Ma Yanhong Li Haoyu Li Yifeng Hong Jie(School of Jet Propulsion,Beijing University of Aeronautics and Astronautics,Beijing 100191,China)  
According to the established sound absorption model of metal rubber(MR),the measurement and research for the coefficient and acoustic impedance of MR,which is of different parameters,were carried.The influencing laws of MR's structural parameters(such as wire diameter,thickness,porosity,cavity size and so on) on its sound absorption characteristics were investigated.With the comparative analysis between the experimental results and the calculated ones from the theoretical model,the acoustic model was proved accurate.It not only provides experiment method for the further engineering application of MR in the field of noise reduction,but also set up a basis for the theory improvement.
【Fund】: 国防基础科研计划资助项目(K1203060815)
【CateGory Index】: V250.2
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【Co-citations】
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1 Zhao Libin (School of Astronautics,Beijing University of Aeronautics and Astronautics,Beijing 100191,China) Long Liping (School of Aeronautic Science and Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China) Cai Qingyun (Department of Mechanical Power and Environment Engineering Design,The Third Survey and Design Institute of China Railway,Tianjin 300251,China);Dynamic properties of noise barrier structure subjected to train-induced impulsive wind pressure[J];Journal of Beijing University of Aeronautics and Astronautics;2009-04
2 Ma Yanhong Hong Jie Li Haoyu Li Yifeng(School of Jet Propulsion,Beijing University of Aeronautics and Astronautics,Beijing 100191,China);Theoretical analysis on sound absorption characteristics of metal rubber[J];Journal of Beijing University of Aeronautics and Astronautics;2009-05
3 DENG Chang-yong,MI Lin,ZHANG Bing(Chongqing Institute of Automobile,Chongqing Institute of Technology,Chongqing 400050,China);Examination of Motorcycle Noise Recognition Methods[J];Journal of Chongqing Institute of Technology(Natural Science);2009-03
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7 WU Jian-xing BAI Chun-hua MA Yu-xiang (National Key Lab of Prevention and Control of Explosion Disaster,Beijing Institute of Technology,Beijing 100081,China);Develop of Pneumatic Valve of Sound Generating[J];Journal of Projectiles,Rockets,Missiles and Guidance;2005-S6
8 WU Jianxing1,BAI Chunhua2(1 Wuhan University of Science & Technology,Wuhan 430081,China;2 State Key Laboratory of Explosion Science and Technology,BIT,Beijing 100081, China);Numerical simulation of Internal Flow field of Pneumatic Valve Generator[J];Journal of Projectiles,Rockets,Missiles and Guidance;2008-01
9 MENG Chun-xia1,2,YANG Shi-e1,LI Gui-juan2 (1.College of Underwater Acoustic Engineering,Harbin Engineering University, Harbin 150001,China; 2.Dalian Scientific Test and Control Technology Institute,Dalian 116013, China);A method of obtaining ship main noise sources parameters[J];Journal of Dalian Maritime University;2007-04
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