Prediction of Pressure Drop for Incompressible Flow Through Screens

[+] Author and Article Information
E. Brundrett

Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontario, Canada, N2L 3G1

J. Fluids Eng 115(2), 239-242 (Jun 01, 1993) (4 pages) doi:10.1115/1.2910130 History: Received April 23, 1992; Online May 23, 2008


A new pressure loss correlation predicts flow through screens for the wire Reynolds number range of 10−4 to 104 using the conventional orthogonal porosity and a function of wire Reynolds number. The correlation is extended by the conventional cosine law to include flow that is not perpendicular to the screen. The importance of careful specification of wire diameter for accurate predictions of porosity is examined. The effective porosity is influenced by the shape of the woven wires, by any local damage, and by screen tension.

Copyright © 1993 by The American Society of Mechanical Engineers
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