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electroosmotic flow profile in comsol

Posted Oct 26, 2013, 11:40 p.m. EDT Low-Frequency Electromagnetics, Fluid & Heat, Microfluidics Version 4.0a 0 Replies

Lian Yi
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Hey all:

I am trying to simulate electroosmotic flow in microfluidic channels. My electroosmotic flow does not look normal and it has a higher velocity close to the wall and a lower velocity in the center of the channel. Theoretically, the electroosmotic flow should have a flat profile. I checked everything with the old comsol library model "electrokinetic flow in biochip"3.5a and also a youtube video online about biochip simulation in a more recent version. Everything in my simulation looks ok but the flow profile looks weird.

Does anyone know why the ellectroosmotic flow is not a flat profile in comsol or I messed it up? I attached my mph file here just in case if anyone wants to see it.

Thanks!
Best reagrds
Lian

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0 Replies Last Post Oct 26, 2013, 11:40 p.m. EDT
COMSOL Moderator

Hello Lian Yi

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