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RESEARCH PAPERS

Arbitrary Mean Flow in Adverse Pressure Gradients

[+] Author and Article Information
G. M. Bragg, J. K. Suk

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

J. Basic Eng 93(4), 495-499 (Dec 01, 1971) (5 pages) doi:10.1115/1.3425288 History: Received July 29, 1970; Online October 27, 2010

Abstract

Measurements of mean velocity profiles were made in the turbulent wake behind a single cylinder as well as a row of parallel, arbitrarily spaced and arbitrarily sized cylinders with an adverse pressure gradient. Two currently available calculation methods, based on a simple superposition of momentum, and a step-by-step finite difference procedure, were applied to the prediction of mean velocity profiles in the wake. The agreement between the predicted and the observed results is good in most cases with maximum error less than 18 percent of significant velocity defects or 3 percent of local velocity.

Copyright © 1971 by ASME
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