September 27, 2005

New Case Publication: Entropic Characterization of Mixing in Microchannels

Entropic Characterization of Mixing in Microchannels
Marco Camesasca and Ica Manas-Zloczower
Department of Macromolecular Science, Case Western Reserve University, Cleveland, OH 44106
Miron Kaufman
Physics Department, Cleveland State University, Cleveland, OH 44115

Journal of Micromechanics and Microengineering
Vol: 15, Issue: 11, November 01, 2005 pp. 2038-2044

Abstract

A methodology for rigorous mixing assessment in microchannels is presented. The analysis is based on numerical simulations of flow in different geometries coupled with mixing assessment using entropic measures. The results show enhanced mixing efficiency for the staggered herringbone micromixer by comparison with a mixer with straight diagonal ridges and a lack of mixing in a non-patterned channel. These results are in agreement with published experimental data.

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