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Simulation and Experimental Study of a Porous Electroosmotic Pump

机译:多孔电渗泵的仿真与实验研究

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摘要

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.
机译:针对多孔介质微通道中电场与流场的耦合问题,建立了电渗流的数学模型。对于单个微通道,使用CoventorWare分析了电压对速度和焦耳热的影响。数值分析表明,速度与电压成正比,焦耳热小且可忽略不计。对于多孔介质,通过截断的高斯孔径分布研究流速。制造了电渗微孔泵,实验结果表明,多孔介质微泵的最大流量为16.89ml / min,最大压力为120.1kPa。

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