Heat Transfer From a Shrouded Rotating Disk With Film Cooling

[+] Author and Article Information
D. E. Metzger

Arizona State University, Tempe, Ariz.

J. W. Mitchell

University of Wisconsin, Madison, Wis.

J. Heat Transfer 88(1), 140-146 (Feb 01, 1966) (7 pages) doi:10.1115/1.3691458 History: Received January 03, 1965


A study of the cooling effect of secondary fluid injection on the heat transfer between a shrouded rotating disk and a radially inward main flow stream is presented. The investigation is intended as a model study of film-cooled, radial-flow gas turbines. The film-cooling method is reviewed, and the nondimensional parameters governing the heat transfer are obtained. Experimental results, covering the range of radial-flow, gas-turbine operating conditions, were obtained from a film-heated, rotating-disk facility. The heat-transfer behavior of the main stream only was determined separately, and the film-cooling results are presented as ratios of the heat transfer obtained with film cooling to the heat transfer obtained with only the single radial inflow.

Copyright © 1966 by ASME
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