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Proceedings Paper

Evaluation of passive planar microfluidic devices for mixing of particle flows
Author(s): Ali Asgar S. Bhagat; K. Teal Wurm; Ian Papautsky
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Paper Abstract

In this paper, the design, modeling, fabrication and characterization of a planar passive microfluidic mixer capable of mixing particulate laden flows at low Reynolds numbers (Re) is reported. Particle-based flow modeling was performed using CFD-ACE+ software to simulate micromixer designs for efficient particle dispersion across microchannel cross-section. The micromixer design developed herein incorporates rectangular shaped obstructions within the microchannel to propel both the particles within the flow and the flow itself into the other half of the channel, thereby achieving mixing. A simple technique to analyze and quantify particle mixing is also proposed. The developed particle micromixer has a simple planar structure, thereby resulting in easy realization and integration with on-chip microfluidic systems, such as micro total analysis systems or lab-on-a-chip.

Paper Details

Date Published: 13 February 2008
PDF: 8 pages
Proc. SPIE 6886, Microfluidics, BioMEMS, and Medical Microsystems VI, 68860W (13 February 2008); doi: 10.1117/12.767347
Show Author Affiliations
Ali Asgar S. Bhagat, Univ. of Cincinnati (United States)
K. Teal Wurm, Univ. of Cincinnati (United States)
Ian Papautsky, Univ. of Cincinnati (United States)


Published in SPIE Proceedings Vol. 6886:
Microfluidics, BioMEMS, and Medical Microsystems VI
Wanjun Wang; Claude Vauchier, Editor(s)

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