Turbulent Flows Near Steps in a Thin Channel With One Moving Wall

[+] Author and Article Information
D. O. Salimonu

Northwestern University; Department of Mechanical Engineering, Ahmadu Bello University, Nigeria

A. L. Kistler, R. A. Burton

Department of Mechanical Engineering and Astronautical Sciences, Technological Institute, Northwestern University, Evanston, Ill.

J. of Lubrication Tech 99(2), 224-229 (Apr 01, 1977) (6 pages) doi:10.1115/1.3453029 History: Received March 10, 1976; Revised May 25, 1976; Online October 20, 2010


Experimental measurements are reported for flow in a cylindrical annulus, with moving inner surface and a step on the stationary outer cylinder. This is related to bearing flows near steps. Strong effects of convected inertia are observed, and these are subdivided into three major classifications. Simplified analyses which include the major physical influences in each category are developed, and are shown to be in reasonable agreement with the measurements.

Copyright © 1977 by ASME
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