文献类型：期刊文献

英文题名：Dynamics analysis and experiment on the fishtailing type of valveless piezoelectric pump with rectangular vibrator

作者：Huang Yi[1];Zhang JianHui[1];Hu XiaoQi[1];Xia QiXiao[2];Huang WeiQing[1];Zhao ChunSheng[1]

第一作者：Huang Yi

通讯作者：Zhang, JH[1]

机构：[1]Nanjing Univ Aeronaut & Astronaut, Dept Aerosp Engn, Nanjing 210016, Peoples R China;[2]Beijing Union Univ, Dept Mech & Elect Engn, Beijing 100020, Peoples R China

第一机构：Nanjing Univ Aeronaut & Astronaut, Dept Aerosp Engn, Nanjing 210016, Peoples R China

通讯机构：[1]corresponding author), Nanjing Univ Aeronaut & Astronaut, Dept Aerosp Engn, Nanjing 210016, Peoples R China.

年份：2010

卷号：53

期号：12

起止页码：3241-3247

外文期刊名：SCIENCE CHINA-TECHNOLOGICAL SCIENCES

收录：;EI(收录号：20110413608063);Scopus(收录号：2-s2.0-78751488543);WOS:【SCI-EXPANDED(收录号:WOS:000284646700014)】；

基金：This work was supported by the National Natural Science Foundation of China (Grant Nos. 50775109, 51075201, 50735002) and Open Foundation for the National Key Laboratory of the Numerical Manufacturing Equipment and Technology (Grant No. DMETKF2009002).

语种：英文

外文关键词：piezoelectric pump; valveless; fishtailing; rectangular vibrator; dynamics analysis; experiment

摘要：In recent years, the research and development of piezoelectric pumps have become an increasingly popular topic. Minimization, structure simplification and stronger output become the focus of piezoelectric pumps' research due to its possible application in MEMS technology. The valveless fishtailing piezoelectric pump, neither a volumetric nor a rotating pump, was invented according to the bionics of fish swimming. With assumption that the head of the fish is fixed while its tail is swinging, fluid would flow toward the end of the tail, achieving the function of a valveless pump. This type of pumps creates a new branch for the piezoelectric pump research, which is proposed for the first time in this paper. The relationship between the flow rates and vibrating frequencies was derived from the interaction between the vibrator and fluid. Numerical simulations with FEM software were conducted to study the first and second vibration modes of the piezoelectric vibrator. The results showed that the maximum amplitude of the vibrator was 0.9 mm at the frequency of 76 Hz for the first vibration mode, while the maximum amplitude of the vibrator was 0.22 mm at the frequency of 781 Hz for the second vibration mode. Experiments were conducted with the Doppler laser vibration measurement system, and the results were compared to those of the FEM simulation. It was shown that in the first vibration mode the piezoelectric vibrator reached its maximum amplitude of about 0.9 mm at the driving frequency of 49 Hz, which gives the flow rate of 2.0 mL/min, in the second vibration mode, the maximum amplitude was about 0.25 mm at the frequency of 460 Hz with the flow rate being 6.4 mL/min.