Simulation and Experimental Study of a Porous Electroosmotic Pump

Zhou Ling; Tao Yang; Fan Chao Meng; Lin Yi; Xiang Xian Zhang

doi:10.4028/www.scientific.net/KEM.483.320

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 483Simulation and Experimental Study of a Porous...

Simulation and Experimental Study of a Porous Electroosmotic Pump

Abstract:

Aiming at the coupling problems of electrical field and flow field in porous media microchannels, the mathematical model of electroosmotic(EO) flow is built. For a single microchannel, the influence of voltage on velocity and joule heat is analyzed by using CoventorWare. Numerical analysis shows that the velocity is proportional to the voltage and the joule heat is small and negligible. For the porous media, the flow rate is investigated by truncated Gaussian distribution of pore diameter. The electroosmotic microporous pump is fabricated, and the experimental results indicate that the maximum flow rate of porous media micropump is 16.89ml/min and the maximum pressure is 120.1kPa.

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Periodical:

Key Engineering Materials (Volume 483)

Pages:

320-326

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.483.320

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Online since:

June 2011

Authors:

Zhou Ling, Tao Yang, Fan Chao Meng, Lin Yi, Xiang Xian Zhang

Keywords:

Electroosmotic Flow, Finite Volume Method (FVM), Joule Heating Effect, Porous Medium, Truncated Gaussian Distribution

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