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RESEARCH PAPERS

Prediction of Turbulent Source Flow Between Corotating Disks With an Anisotropic Two-Equation Turbulence Model

[+] Author and Article Information
S. A. Shirazi, C. R. Truman

Department of Mechanical Engineering, University of New Mexico, Albuquerque, NM 87131

J. Turbomach 110(2), 187-194 (Apr 01, 1988) (8 pages) doi:10.1115/1.3262179 History: Received February 05, 1987; Online November 09, 2009

Abstract

An anisotropic form of a low-Reynolds-number two-equation turbulence model has been implemented in a numerical solution for incompressible turbulent flow between corotating parallel disks. Transport equations for turbulent kinetic energy and dissipation rate were solved simultaneously with the governing equations for the mean-flow variables. Comparisons with earlier mixing-length predictions and with measurements are presented. Good agreement between the present predictions and the measurements of velocity components and turbulent kinetic energy was obtained. The low-Reynolds-number two-equation model was found to model adequately the near-wall region as well as the effects of rotation and streamline divergence, which required ad hoc assumptions in the mixing-length model.

Copyright © 1988 by ASME
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