3D FEM Analyses on Flow Field Characteristics of the Valveless Piezoelectric Pump

被引：0
作者：
HUANG Jun [1 ]
ZHANG Jianhui [2 ,3 ]
SHI Weidong [1 ]
WANG Yuan [4 ]
机构：
[1] National Research Center of Pumps,Jiangsu University
[2] School of Mechanical and Electric Engineering,Guangzhou University
[3] State Key Laboratory of Mechanics and Control of Mechanical Structures,Nanjing University of Aeronautics and Astronautics
[4] College of Communication Engineering,PLA University of Science and Technology
来源：
Chinese Journal of Mechanical Engineering | 2016年 / 04期
基金：
中国国家自然科学基金;
关键词：
piezoelectric pump; valveless; fractal-like Y-shape branching tube; FEM;
D O I：
暂无
中图分类号：
TH38 [各种用途];
学科分类号：
080704 ;
摘要：
Due to the special transportation and heat transfer characteristics,the fractal-like Y-shape branching tube is used in valveless piezoelectric pumps as a no-moving-part valve.However,there have been little analyses on the flow resistance of the valveless piezoelectric pump,which is critical to the performance of the valveless piezoelectric pump with fractal-like Y-shape branching tubes.Flow field of the piezoelectric pump is analyzed by the finite element method,and the pattern of the velocity streamlines is revealed,which can well explain the difference of total flow resistances of the piezoelectric pump.Besides,simplified numerical method is employed to calculate the export flow rate of piezoelectric pump,and the flow field of the piezoelectric pump is presented.The FEM computation shows that the maximum flow rate is 16.4 m L/min.Compared with experimental result,the difference between them is just 55.5%,which verifies the FEM method.The reasons of the difference between dividing and merging flow resistance of the valveless piezoelectric pump with fractal-like Y-shape branching tubes are also investigated in this method.The proposed research provides the instruction to design of novel piezoelectric pump and a rapid method to analyse the pump flow rate.
引用
收藏
页码：825 / 831
页数：7
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