A Note on Laminar Flow in Uniformly Porous Tubes

[+] Author and Article Information
K. Schnitzlein

Institut für Technische Chemie, Technische Universität Braunschweig, W-3300 Braunschweig, Germany

J. Fluids Eng 115(3), 493-496 (Sep 01, 1993) (4 pages) doi:10.1115/1.2910165 History: Received July 10, 1992; Revised November 12, 1992; Online May 23, 2008


A numerical analysis of the steady, laminar, incompressible flow in a constant diameter tube with uniform mass suction at the wall is made to study the development of the flow for the entire range of wall Reynolds numbers. It is shown that for small suction rates the state of flow can reach the similarity condition at least at distinct positions at the tube axis. For higher suction rates similarity profiles are found to occur only if the flow exhibits an asymmetric behavior with respect to the point of complete mass extraction.

Copyright © 1993 by The American Society of Mechanical Engineers
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