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RESEARCH PAPERS

Mean Flow Calculations Behind Arbitrarily Spaced Cylinders

[+] Author and Article Information
G. M. Bragg, H. S. Kohli, B. V. Seshagiri

University of Waterloo, Department of Mechanical Engineering, Waterloo, Ontario, Canada

J. Basic Eng 92(3), 536-543 (Sep 01, 1970) (8 pages) doi:10.1115/1.3425055 History: Received July 22, 1969; Online October 27, 2010

Abstract

A finite array of arbitrarily spaced parallel rods is considered. It is assumed that momentum deficit may be superposed locally. The momentum deficit is computed behind each cylinder—considering it as a single cylinder—using one of the accepted theories. Then the momentum deficits at each point due to all the cylinders are superposed. From this an overall velocity distribution is calculated. Experiments with various rod diameters and spacings were conducted. The results were within 3 percent of the theoretically predicted local velocity, and under 10 percent of the predicted local velocity defect (at locations of significant velocity deficits).

Copyright © 1970 by ASME
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