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REVIEW ARTICLES

Frictional Effects in Unsteady Turbulent Pipe Flows

[+] Author and Article Information
E. B. Wylie

Department of Civil and Environmental Engineering, University of Michigan, Ann Arbor MI 48109-2125

Appl. Mech. Rev 50(11S), S241-S244 (Nov 01, 1997) doi:10.1115/1.3101843 History: Online April 20, 2009

Abstract

In the simulation of rapid transient events in fluid-filled pipelines, the method of characteristics is recognized to provide reliable results during the first pressure excursion. However, if a long term oscillatory response of a rapid event is needed, traditional methods of evaluating viscous losses are inadequate in low Reynolds number turbulent flow events. This paper looks at a method to implement frequency-dependent viscous losses in the method of characteristics for turbulent flow and provides comparisons with experimental records.

Copyright © 1997 by American Society of Mechanical Engineers
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