Technical Briefs

The Modeling of Form Drag in a Porous Medium Saturated by a Power-Law Fluid

[+] Author and Article Information
D. A. Nield

Department of Engineering Science, University of Auckland, Private Bag 92019, Auckland 1142, New Zealandd.nield@auckland.ac.nz

J. Heat Transfer 131(10), 104501 (Jul 29, 2009) (2 pages) doi:10.1115/1.3180809 History: Received March 31, 2008; Revised November 18, 2008; Published July 29, 2009

The alternative ways of modeling form drag in a porous medium saturated by a power-law fluid in current usage are discussed. It is argued that the best alternative is to use the same expression as that used in the case of a Newtonian fluid, but with a modified Forchheimer coefficient.

Copyright © 2009 by American Society of Mechanical Engineers
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