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当前位置: 首页 > 文章 > 尾鳍对无阀压电泵性能的影响分析与试验研究 排灌机械工程学报 2017,35 (1) 87-92
Position: Home > Articles > Analysis and test on influence of caudal-fin on performance of valveless piezoelectric pump Journal of Drainage and Irrigation Machinery Engineering 2017,35 (1) 87-92

尾鳍对无阀压电泵性能的影响分析与试验研究

作  者：
葛振涛;纪晶;兰玉彬;胡笑奇;秦婷婷;胡彩旗
单  位：
丽水学院工程与设计学院;华南农业大学工程学院;青岛农业大学机电工程学院
关键词：
无阀压电泵;压电振子;尾鳍;仿真;流量
摘  要：
为了研究仿尾鳍式无阀压电泵的工作性能,探讨尾鳍对无阀压电泵泵送流量的影响,运用ANSYS软件对压电振子进行了湿模态分析,得到压电振子的前三阶工作频率以及压电振子的振型,然后通过Fluent软件,分别对有尾鳍和无尾鳍压电泵泵送性能进行仿真分析和试验对比.通过仿真分析得出,当激励电压峰峰值为100 V,频率为800 Hz时,有尾鳍时压电泵的泵送流量为65.34 m L/min,无尾鳍时压电泵的泵送流量为5.32 m L/min.试验结果表明:当仿尾鳍式压电振子的工作电压峰峰值为100 V,工作频率为760 Hz时,泵送流量为75.65 m L/min,工作频率为800 Hz时,泵送流量为60.25 m L/min;而无尾鳍压电泵在相同电压和频率下的泵送流量分别为4.60,4.10 m L/min,发现仿尾鳍式无阀压电泵泵送流量的主要来源为尾鳍对流体的驱动,分析了误差产生的原因,通过试验测试泵送流量与仿真结果进行对比,进一步验证仿真分析的正确性.
译  名：
Analysis and test on influence of caudal-fin on performance of valveless piezoelectric pump
作  者：
GE Zhentao;JI Jing;LAN Yubin;HU Xiaoqi;QIN Tingting;HU Caiqi;College of Mechanical and Electrical Engineering,Qingdao Agricultural University;College of Engineering,South China Agricultural University;College of Engineering and Design,Lishui University;
关键词：
valveless piezoelectric pump;;piezoelectric vibrator;;caudal-fin;;simulation;;rate of flow
摘  要：
In order to study the performance of a valveless piezoelectric pump with caudal- fin and identify the influence of piezoelectric vibrator caudal- fin on the pumping flow,a modal analysis on wetted piezoelectric vibrator caudal- fin was conducted in ANSYS. The first three working frequencies and corresponding vibration modes were obtained. Then the flow and performance of the piezoelectric pumps with and without caudal- fin were simulated by making use of Fluent,and compared with the experimental results. In simulations,when the excitation peak voltage is 100 V and the frequency is800 Hz,the pumping flow in the piezoelectric pump with caudal- fin is 65. 34 m L / min,while it is5. 32 m L / min in the pump without the fin. In experiments,when the excitation peak voltage is 100 V and the frequency is 800 and 760 Hz,the pumping flow in the piezoelectric pump with caudal- fin is60. 25 and 75. 65 m L / min,but it is 4. 10 and 4. 60 m L / min in the pump without the fin,respectively.This is proved that the extra flow rate in the valveless piezoelectric pump with caudal- fin is mainly caused from the caudal- fin driving effect. Based on the comparison of tested and experimental pumping flow rate,the correctness of simulation analysis has been confirmed.

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