Fabrication of Microfluidic Rapid Micromixer

Abstract:

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A microfluidic multi-cylindric rapid micromixer is fabricated in the present paper. The key features in the presented MEMS-based microchannel design are (1) micro pump (2) Y-junction type channel (3) cylindric obstacle (4) notch with the edge of sharp teeth. Two different fluids (DI water and red ink) were pumped and injected into Y-type channel, and the fluids were broken-up by a cylindric obstacle in the center of tapered microchannel. The chaotic convection occurs in the mixing channel behind the cylindric obstacle. The mixing index is defined to qualify the mixing efficiency, which demonstrates the outlet notch with sharp teeth along the sidewall plays an important role for mixing effects. The developed micromixer can enhance mixing using the mechanisms of diffusion and convection for wide range of Reynolds number (0.01

Info:

Periodical:

Key Engineering Materials (Volumes 467-469)

Edited by:

Dehuai Zeng

Pages:

2013-2017

DOI:

10.4028/www.scientific.net/KEM.467-469.2013

Citation:

H. C. Hsu et al., "Fabrication of Microfluidic Rapid Micromixer", Key Engineering Materials, Vols. 467-469, pp. 2013-2017, 2011

Online since:

February 2011

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Price:

$35.00

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