Nanotech 2003 Vol. 1
Nanotech 2003 Vol. 1
Technical Proceedings of the 2003 Nanotechnology Conference and Trade Show, Volume 1

Micro Fluidics Chapter 9

Numerical Simulation of Electroosmotic Flow in Micro Channels with Analytical Integration of Surface Potential

Authors: Z. Chen, M. Athavale and A. Przekwas

Affilation: CFD Research Corporation, United States

Pages: 186 - 189

Keywords: electroosmotic flow, surface potential, MEMS

We have developed a new methodology to simulate electroosmotic flows in micro channels, which allows us to accurately produce the effects of the double layer without resolving it. The method is a subgrid type model that allows computational cells much larger than the double layer near the wall. This approach thus fully accounts for double-layer physics, which allows its use on simple as well as complex geometries (e.g. T-junction, X-junction) where the alternative approach of slip-wall velocities can face difficulties.

ISBN: 0-9728422-0-9
Pages: 560

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