Simulation and Experimental Study of a Porous Electroosmotic Pump

Abstract:

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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.

Info:

Periodical:

Edited by:

Xiaohao Wang

Pages:

320-326

DOI:

10.4028/www.scientific.net/KEM.483.320

Citation:

Z. Ling et al., "Simulation and Experimental Study of a Porous Electroosmotic Pump", Key Engineering Materials, Vol. 483, pp. 320-326, 2011

Online since:

June 2011

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Price:

$35.00

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