Impingement Cooling of Concave Surfaces With Lines of Circular Air Jets

[+] Author and Article Information
D. E. Metzger, T. Yamashita, C. W. Jenkins

Department of Mechanical Engineering, Arizona State University, Tempe, Ariz.

J. Eng. Power 91(3), 149-155 (Jul 01, 1969) (7 pages) doi:10.1115/1.3574713 History: Received August 01, 1968; Online August 25, 2011


An experimental study of the heat transfer characteristics between single lines of circular jets and concave cylindrical surfaces is presented. It is intended to model a practically important class of impingement cooling configurations for which existing heat transfer correlations are not obviously applicable. The results clarify the present uncertain position with regard to the optimum spacing between the jet nozzle and the heat transfer surface and with regard to the center-to-center spacing between the jets. Some limited results for a two-dimensional jet impinging on the concave surfaces are also presented.

Copyright © 1969 by ASME
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