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Research on experimental measurement of acoustic resistance and major accuracy influencing factors analysis
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  • Research on experimental measurement of acoustic resistance and major accuracy influencing factors analysis
  • Research on experimental measurement of acoustic resistance and major accuracy influencing factors analysis
저자명
Wang. Xiaoqing,Xiang. Yang,Guo. Zhiyong,Xia. Xuebao,Shi. Yuxiao,Xue. Peng,Wu. Shaowei
간행물명
Journal of mechanical science and technology
권/호정보
2014년|28권 4호|pp.1219-1227 (9 pages)
발행정보
대한기계학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

An experimental method of measuring acoustic surface radiation resistance is developed. The principle of the method is based on obtaining source velocity and field pressure generated by the source. To measure surface radiation resistance, measuring probe was developed and measuring system was set up. Then, major factors that affect measurement accuracy is discussed and great improvements are got. After that, experiments of measuring baffled circular piston were conducted to analyze its applicable frequency range. To verify actual application effect, experiments of measuring the tube and cylinder heads of a diesel engine were performed. The results show that this measuring system can obtain resistance values in the frequency range from 460 to 1900 Hz with high precision. The measuring system has features of simple operation, convenient use, and high accuracy. Therefore, it can be used to determine surface resistance matrix of various structures.