Numerical Prediction of Turbulent Flow in Rotating Cavities

[+] Author and Article Information
A. P. Morse

Thermo-Fluid Mechanics Research Centre, School of Engineering and Applied Sciences, University of Sussex, Brighton, Sussex, United Kingdom

J. Turbomach 110(2), 202-211 (Apr 01, 1988) (10 pages) doi:10.1115/1.3262181 History: Received February 05, 1987; Online November 09, 2009


Predictions of the isothermal, incompressible flow in the cavity formed between two corotating plane disks and a peripheral shroud have been obtained using an elliptic calculation procedure and a low turbulence Reynolds number k–ε model for the estimation of turbulent transport. Both radial inflow and outflow are investigated for a wide range of flow conditions involving rotational Reynolds numbers up to ∼106 . Although predictive accuracy is generally good, the computed flow in the Ekman layers for radial outflow often displays a retarded spreading rate and a tendency to laminarize under conditions that are known from experiment to produce turbulent flow.

Copyright © 1988 by ASME
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