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	Research on the close noise field of the piezoelectric pump
	Lu JZ(陆计庄) ; Zhang JH(张建辉) ; Xia QX(夏齐霄) ; Li DS(李德胜)
中文摘要	Restraining the noise, meanwhile, improving the dynamic characteristics of the driving power of piezoelectric pump effectively are the final purposes of doing research on the reciprocating and flexural vibration of the piezoelectric vibrator. However, among many papers regarding piezoelectric pump, there are very few papers about the research on the noise of piezoelectric pump. This is far less than the research on the application of the piezoelectric pump in other fields. In this paper, the research on the flexural vibration deformation and vibration radiation noise of the piezoelectric vibrator are carried out. Firstly, the vibration equations of the piezoelectric vibrator are built and flexural vibration deformation function is deduced. Then, the simplified vibration model of the piezoelectric vibrator is introduced by using vibration theories of micro-area piston. Furthermore, theoretical calculation equations of sound pressure in close noise field and noise contribution equation of fluid in pump are deduced. Finally, a comparison is made between the theoretical calculation value and experimental value, and the contribution quantities of the piezoelectric vibrator and fluid in pump are obtained respectively under different frequencies. The consequence approves that the theory introduced by this research is true. ? 2006 IEEE.
原文出处	http://dlib.edu.cnki.net/kns50/download.aspx?filename=NlnUDhTURxGeMZzTzNndxx2SGBlVNZmcI9mQv1UMrdlRzc0Srp0QBhWUXR1MBtGduplMvgnYQBXdVFFcwM2VDFkQrVjMkB3Q3RFWvk0KWNnZKdlVFxUZPZFOypnMhREOkVEd2QlUL9GeVRDbN9yMDd0b05WSjVWO&tablename=CJFD2009&dflag=pdfdown 全文链接
内容类型	期刊论文
源URL
专题	北京工业大学
推荐引用方式 GB/T 7714	Lu JZ,Zhang JH,Xia QX,et al. Research on the close noise field of the piezoelectric pump[J].
APA	陆计庄,张建辉,夏齐霄,&李德胜.
MLA	陆计庄,et al."Research on the close noise field of the piezoelectric pump".

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