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TECHNICAL BRIEFS

Laminar Flow in a Uniformly Porous Tube

[+] Author and Article Information
F. M. White

Georgia Institute of Technology, Atlanta, Ga.

J. Appl. Mech 29(1), 201-204 (Mar 01, 1962) (4 pages) doi:10.1115/1.3636459 History: Received March 29, 1961; Online September 16, 2011

Abstract

A solution is given in power series form to the problem of fully developed laminar flow in a uniformly porous tube. Although the general analysis is similar to a previous solution for a porous channel, the present tube results exhibit marked instabilities for wall suction, in contrast to the well-behaved channel results. A physical reason for the instabilities has been given in a recent paper by Weissberg, whose analysis of the inlet region indicates a breakdown in the assumption of fully developed flow.

Copyright © 1962 by ASME
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