Simulation of a microfluidic flow-focusing device

DUPIN, M. M., HALLIDAY, I. and CARE, C. M. (2006). Simulation of a microfluidic flow-focusing device. Physical Review E (PRE), 73 (5).

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Abstract

We present a model of microfluidic flow of several completely immiscible fluids and use it to simulate a whole flow focusing device chamber. Our efficient, practical model supports a large parameter space, spanned by surface wetting, surface tension, liquid-liquid wetting, viscosity ratio, and inlet velocity. It is based upon an N-component lattice Boltzmann method with interrupted coalescence [Dupin , Philos. Trans. R. Soc. London, Ser. A 362, 1885 (2004)], here adapted for calculations at low capillary and Reynolds numbers, with wetting and significantly reduced spurious flow. Results over 2 orders of magnitude in Reynolds number are presented.

Item Type:	Article
Research Institute, Centre or Group:	Materials and Engineering Research Institute > Polymers Nanocomposites and Modelling Research Centre > Materials and Fluid Flow Modelling Group
Identification Number:	10.1103/PhysRevE.73.055701
Depositing User:	Hilary Ridgway
Date Deposited:	14 Apr 2010 10:58
Last Modified:	29 Sep 2010 10:47
URI:	http://shura.shu.ac.uk/id/eprint/1615

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