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RESEARCH PAPERS

Calculation of Developing Turbulent Flows in a Rotating Pipe

[+] Author and Article Information
G. J. Yoo, R. M. C. So

Mechanical and Aerospace Engineering, Arizona State University, Tempe, AZ 85287

B. C. Hwang

David Taylor Naval Ship Research and Development Center, Annapolis, MD 21402

J. Turbomach 113(1), 34-41 (Jan 01, 1991) (8 pages) doi:10.1115/1.2927735 History: Received May 01, 1989; Online June 09, 2008

Abstract

Internal rotating boundary-layer flows are strongly influenced by large circumferential strain and the turbulence field is anisotropic. This is especially true in the entry region of a rotating pipe where the flow is three dimensional, the centrifugal force due to fluid rotation is less important, and the circumferential strain created by surface rotation has a significant effect on the turbulence field near the wall. Consequently, viscous effects cannot be neglected in the near-wall region. Several low-Reynolds-number turbulence closures are proposed for the calculation of developing rotating pipe flows. Some are two-equation closures with and without algebraic stress correction, while others are full Reynolds-stress closures. It is found that two-equation closures with and without algebraic stress correction are totally inadequate for this three-dimensional flow, while Reynolds-stress closures give results that are in good agreement with measurements over a wide range of rotation numbers.

Copyright © 1991 by The American Society of Mechanical Engineers
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