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Theory and experimental verification of valveless piezoelectric pump with rotatable unsymmetrical slopes

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Abstract

A valveless piezoelectric pump with rotatable unsymmetrical slopes is developed in this research. It has the following features: The pump integrates driving and transporting, and it can mix different fluids while transporting them. In this paper, firstly, the design of the valveless piezoelectric pump with rotatable unsymmetrical slopes was proposed, and the single-direction flow principle was explained. Then, the fluid mechanics model of the valveless piezoelectric pump with rotatable unsymmetrical slopes was established. Meanwhile, the numerical simulation of the pump was performed. Finally, the experiments on relationship between the rotation angles of the slope and the flow rates were conducted. The experimental results showed that the maximum flow was 32.32 mL min−1. The maximum relative error between the theoretical results and the experimental ones was 14.59%. For the relationship between rotation angles and flow ratio of two inlets, the relative error between the experimental and theoretical maxima was 3.75%. Thus, the experiments proved the feasibility of the pump design and verified the theory.

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Authors and Affiliations

  1. Precision Driving Laboratory, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China

    JianHui Zhang, Jun Huang & ChunSheng Zhao

  2. College of Mechanical & Electronic Engineering, Beijing Union University, Beijing, 100020, China

    QiXiao Xia

  3. Shanghai Aircraft Design and Research Institute, Shanghai, 200030, China

    Yi Huang

  4. College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China

    XueFei Leng

  5. State Key Lab of Digital Manufacturing Equipment & Technology, Huazhong University of Science and Technology, Wuhan, 430074, China

    JianHui Zhang

  6. State Key Laboratory of Mechanics and Control for Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China

    JianHui Zhang, Jun Huang & ChunSheng Zhao

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  1. JianHui Zhang
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  2. QiXiao Xia
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  3. Yi Huang
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  4. XueFei Leng
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  5. Jun Huang
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  6. ChunSheng Zhao
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Correspondence to JianHui Zhang.

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Zhang, J., Xia, Q., Huang, Y. et al. Theory and experimental verification of valveless piezoelectric pump with rotatable unsymmetrical slopes. Sci. China Technol. Sci. 54, 3070–3077 (2011). https://doi.org/10.1007/s11431-011-4507-9

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  • DOI: https://doi.org/10.1007/s11431-011-4507-9

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