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Micromachines 2010, 1(1), 19-33; doi:10.3390/mi1010019
Article

Evaluation of Floor-grooved Micromixers using Concentration-channel Length Profiles

1,2, 2,* , 1, 3 and 1,*
Received: 13 March 2010 / Accepted: 11 May 2010 / Published: 17 May 2010
(This article belongs to the Special Issue Micromixers)
Download PDF [2437 KB, 18 May 2010; original version 17 May 2010]

Abstract

We evaluated the dynamic micromixing performances in slanted groove micromixers (SGM) and staggered herringbone micromixers (SHM) and quantitatively compared their differences using concentration vs. channel length profiles obtained from numerical stimulations. It is found that faster and finer mixing took place in the SHM and the chaotic mixing was more effective at locations closer to the grooves; in comparison, slower and coarser mixing occurred throughout the whole channel of the SGM. Subsequently, the concentration profile-based characterization method was demonstrated in hybrid floor-grooved micromixers to study the interaction of SGM and SHM.
Keywords: micromixer; numerical simulation; concentration profile; mixing completion length micromixer; numerical simulation; concentration profile; mixing completion length
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Du, Y.; Zhang, Z.; Yim, C.; Lin, M.; Cao, X. Evaluation of Floor-grooved Micromixers using Concentration-channel Length Profiles. Micromachines 2010, 1, 19-33.

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