Transient Temperature Response of a Thin-Walled, Transpiration-Cooled Porous Surface

[+] Author and Article Information
C. J. Scott

Department of Mechanical Engineering, University of Minnesota, Minneapolis, Minn.

J. Heat Transfer 90(1), 77-83 (Feb 01, 1968) (7 pages) doi:10.1115/1.3597464 History: Received November 03, 1966; Online August 25, 2011


A transient energy balance is applied to a porous surface which is subjected to a high temperature, forced convection environment. A discussion of the experimental measurement of the heat transfer coefficient with porous wall cooling is presented along with an examination of the simplifying assumptions made in the data reduction process. Experimental measurements are presented for the special case of a porous disk aligned normal to the oncoming flow. The experimental investigation was conducted in a 6 × 9-in. blowdown supersonic wind tunnel at a Mach number of 3.0 and a running time of 30 sec.

Copyright © 1968 by ASME
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