Strategy for active mixing in microdevices

Boris Stoeber, Dorian Liepmann, and Susan J. Muller
Phys. Rev. E 75, 066314 – Published 28 June 2007
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Abstract

We present a concept for and experimental demonstration of an active microfluidic mixer that uses microvalves to control periodic flow deviation. This active design allows the degree of mixing to be varied independently of flow rate. The mixer is compact and efficient, achieving mixing of different fluids through chaotic advection by stretching and folding the interface of the fluids.

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  • Received 6 November 2006

DOI:https://doi.org/10.1103/PhysRevE.75.066314

©2007 American Physical Society

Authors & Affiliations

Boris Stoeber1,*, Dorian Liepmann2, and Susan J. Muller3

  • 1Department of Mechanical Engineering and Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4
  • 2Department of Bioengineering, University of California, Berkeley, California 94720, USA
  • 3Department of Chemical Engineering, University of California, Berkeley, California 94720, USA

  • *stoeber@mech.ubc.ca

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Issue

Vol. 75, Iss. 6 — June 2007

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