无阀微泵锯齿形流道仿真模拟

Journal of Shanghai University（Natural Science Edition） ›› 2008, Vol. 14 ›› Issue (4): 355-358 .

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Simulation of Saw-Tooth Channel for Valveless Micropumps

GUAN Yan-fang,ZHANG Guo-xian,JIN Jian,XIE Fei

School of Mechatronics Engineering and Automation, Shanghai University, Shanghai 200072, China

Received:2007-04-23 Revised:1900-01-01 Online:2008-08-27 Published:2008-08-27
Contact: ZHANG Guo-xian

Abstract

Abstract: The operating principle and flow characteristic of valveless micropumps are introduced. A new type of saw-tooth channel for valveless micropumps is proposed. The saw-tooth channel in different angels is simulated with the CFD (computational fluid dynamics) software. The velocity and pressure distributingare presented, and the characteristic curve of the pressure and flow rate drawn compared with the single taper pipe. The results show that the saw-tooth channel can enhance efficiency of the micropumps in comparison with the diffuser/nozzle channel. It provides a reliable basis to theoretical study and optimal design of saw-tooth micropumps.

Key words: saw-tooth channel, simulation, micropumps

CLC Number:

TH 137

GUAN Yan-fang;ZHANG Guo-xian;JIN Jian;XIE Fei. Simulation of Saw-Tooth Channel for Valveless Micropumps[J]. Journal of Shanghai University（Natural Science Edition）, 2008, 14(4): 355-358 .

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Simulation of Saw-Tooth Channel for Valveless Micropumps

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