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压电合成射流激励器LEM方法研究
引用本文:严阳阳,周凌峰,丁英涛,王士伟,苏日娜.压电合成射流激励器LEM方法研究[J].北京理工大学学报,2016,36(3):326-330.
作者姓名:严阳阳  周凌峰  丁英涛  王士伟  苏日娜
作者单位:北京理工大学信息与电子学院,北京,100081;北京理工大学信息与电子学院,北京,100081;北京理工大学信息与电子学院,北京,100081;北京理工大学信息与电子学院,北京,100081;北京理工大学信息与电子学院,北京,100081
基金项目:北京理工大学基础研究基金资助项目(20110542016)
摘    要:基于线性复合平板理论,将机-电-声等效方法应用于压电合成射流激励器,建立了激励器的集总参数模型(LEM).借助ANSYS软件和Matlab软件提取等效模型的关键参数,并使用Matlab软件对合成射流激励器的LEM模型进行了仿真.仿真结果与实验测试值进行了对比,两者吻合得较好.与传统仿真方法相比,所提出的LEM方法具有操作简单、耗时短、占用资源少和效率高等优点. 

关 键 词:压电合成射流  激励器  集总参数模型(LEM)  热线风速仪  频率
收稿时间:2014/11/23 0:00:00

Research of LEM on Piezoelectric Synthetic Jet Actuators
YAN Yang-yang,ZHOU Ling-feng,DING Ying-tao,WANG Shi-wei and SU Ri-na.Research of LEM on Piezoelectric Synthetic Jet Actuators[J].Journal of Beijing Institute of Technology(Natural Science Edition),2016,36(3):326-330.
Authors:YAN Yang-yang  ZHOU Ling-feng  DING Ying-tao  WANG Shi-wei and SU Ri-na
Affiliation:School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
Abstract:The piezoelectric synthetic jet actuator was studied and used widely for its simple structure and quick response characteristics. Mechano-electro-acoustical equivalent method was applied to piezoelectric-driven synthetic jet actuator and a lumped element model(LEM) was established based on the linear composite plate theory. ANSYS and Matlab software were used to extract some key model parameters and Matlab software was used to simulate the LEM circuit. Simulation results show a good agreement with experimental results. Compared with the traditional numerical simulation method with CFD software, the method in this paper is easier, more time-saving, less resources consuming and higher efficiency.
Keywords:piezoelectric synthetic jet  actuator  lumped element model(LEM)  hot-wire anemometer  frequency
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