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RESEARCH PAPERS

Prediction of Momentum, Heat and Mass Transfer in Swirling, Turbulent Boundary Layers

[+] Author and Article Information
M. L. Koosinlin, B. E. Launder, B. I. Sharma

Mechanical Engineering Department, Imperial College, London, S.W., England

J. Heat Transfer 96(2), 204-209 (May 01, 1974) (6 pages) doi:10.1115/1.3450165 History: Received October 09, 1973; Online August 11, 2010

Abstract

The paper presents the outcome of finite-difference calculations of turbulent flow near spinning cones, disks, and cylinders. The turbulence model used is a version of the mixing-length hypothesis in which the mixing length which would prevail in the absence of swirl is made a linear function of the local “swirling flow” Richardson number. Agreement with available experimental data for these geometries is generally good. At high swirl rates, however, a few systematic differences between experiment and calculation become evident which are probably attributable to the nonisotropic nature of the effective viscosity in such complex strain fields.

Copyright © 1974 by ASME
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