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Prediction of Interfacial Positions in Steady Converging Microchannel Flows at Low Reynolds Numbers

[+] Author Affiliations
T. R. Harris, D. L. Hitt

University of Vermont, Burlington, VT

N. Macken

Swarthmore College, Swarthmore, PA

Paper No. IMECE2002-33776, pp. 429-436; 8 pages
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Microelectromechanical Systems
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Microelectromechanical Systems
  • ISBN: 0-7918-3642-8 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME


Previous work has shown that interfaces formed in steady, converging microchannel flows tend to be planar in nature under a wide variety of MEMS-relevant conditions. Assuming a planar interface, we have developed analytical models to predict the interfacial location in the outlet branch. The analytical results show good agreement with 3-D computational cases and experimental measurements. Application of this analytical, planar interface method represents a significant degrease in computational effort when compared to using CFD to determine interfacial positions.

Copyright © 2002 by ASME



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