Nano Science and Technology Institute
Nanotech 2001 Vol. 1
Nanotech 2001 Vol. 1
Technical Proceedings of the 2001 International Conference on Modeling and Simulation of Microsystems
Chapter 6: Micro and Bio Fluidics

Computational Design Analysis for In-Plane Microfluidic Valves

Authors:C.K. Dickey, V.B. Makhijani, A. Deshmukh and D. Liepmann
Affilation:CFD Research Corporation, US
Pages:235 - 238
Keywords:unidirectional microvalves, CFD-ACE+, flow resistance
Abstract:Simulations of fluid flow across in-plane microvalves were performed using an advanced multi-physics commercial software system and compared with experimental data. Model validation required careful consideration of leakage pathways left by fabrication artifacts. Following model validation, the effects of leakage pathways caused by variations in sealant thickness were explored. These results were used to predict the effect of leakage gap thickness on the ratio of flow resistances across the open and closed valves. The effects of structural modifications on the valve performance were also explored in this study.
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