Flow in a Channel With Longitudinal Ribs

[+] Author and Article Information
C. Y. Wang

Departments of Mathematics and Mechanical Engineering, Michigan State University, East Lansing, MI 48824

J. Fluids Eng 116(2), 233-237 (Jun 01, 1994) (5 pages) doi:10.1115/1.2910260 History: Received October 05, 1992; Revised March 31, 1993; Online May 23, 2008


The laminar, viscous flow between parallel plates with evenly spaced longitudinal ribs is solved by an eigenfunction expansion and point-match method. The ribs on both plates may be symmetrically placed or staggered. For a given pressure gradient, the mean velocity is plotted as a function of the geometric parameters. We find the wetted perimeter and the friction factor—Reynolds number product are unsuitable parameters for the flow through ducts of complex geometry.

Copyright © 1994 by The American Society of Mechanical Engineers
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