Time-Dependent Transpiration Heat Transfer in Porous Cylinders

[+] Author and Article Information
D. M. Burch, B. A. Peavy, R. W. Allen

Department of Mechanical Engineering, University of Maryland, College Park, Md.

J. Heat Transfer 96(2), 218-224 (May 01, 1974) (7 pages) doi:10.1115/1.3450168 History: Received July 31, 1973; Online August 11, 2010


This paper investigates the transient temperature distribution within transpiration-heated and -cooled porous tubes that occur after a step increase in the rate of convective heat transfer at one of the tube surfaces. Analytic solutions are presented for transpiration cooling, catalytic chemical reactor, and tubular regenerator applications. These solutions include the effect of forced convective heat transfer at both tube surfaces where conventional heat-transfer coefficients are used to define the boundary conditions.

Copyright © 1974 by ASME
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