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《CHINA MECHANICAL ENGINEERING》 1995-05
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Sound Emisslve Technique of Controlling Fan's Noise

Cheng Xu; Yang Zhijun; Zhang Jianrun et al.  
In this paper the sound intensity identified method of near acoustic field was empoyed in three dimensional diagram of sound intensity distribution on centrifugal fan shell. The developed double-deck microperforated resonator which was optimiaed for taking sound absotption coefficient a as objective function solved effectively wide-band sound absorptioon. Its application shows that it is effective to control the noise radiation of fan shell and reduce noise by forty percent.
【CateGory Index】: TB535
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【Citations】
Chinese Journal Full-text Database 1 Hits
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1 Liu Lu Che Juntie (Department of Mechanical Engineering, Beijing Institute of Petro-chemical Technology, Beijing 102617) Liu Fangchen Liu Xingyuan (Daqing Petrochemical Corporation, Daqing 100029) Kong Jilan (Beijing Yansan Petrochemical Corporation, Beijing 102500);Noise Control and Calculation of Exhausting Pipeline in Acrylonitrile Absorption Tower[J];Journal of Beijing Institufe of Petrochemical Technology;2003-02
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7 CAI Wei-yi1, YANG Fen1, WANG Bao-ping2(1Nanjing Forestry University, Jiangsu Nanjing, 210037, China)(2Nanjing Dongyu Automobile Ltd. Co., Jiangsu Nanjing, 210012, China);New Muffler with Purifying Function for Automobile[J];Machine Design and Manufacturing Engineering;2002-06
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1 ZHANG Bin, DING Hui, XIE Wei (Beijing Municipal Institute of Labour Prtection, Beijing 100000,China);The new development of micro-perforated metal panel[A];[C];2002
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【Co-references】
Chinese Journal Full-text Database 5 Hits
1 PENG Xiao yun, WU Xue feng (Civil Enginearing and Architecture college, East China Jiaotong University, Nanchang 330013, China);Absorptive Characteristics of Functional Absorber of Microperforated Metal Panels[J];JOURNAL OF EAST CHINA JIAOTONG UNIVERSITY;2000-01
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