Some Effects of Variable Surface Temperature on Heat Transfer to a Partially Porous Flat Plate

[+] Author and Article Information
D. A. Nealy

Heat Transfer Engineering Sciences Department, Detroit Diesel Allison Division, General Motors Corp., Indianapolis, Ind.

J. Eng. Power 95(4), 319-325 (Oct 01, 1973) (7 pages) doi:10.1115/1.3445738 History: Received December 19, 1972; Online July 14, 2010


Based on a simple enthalpy thickness approach, results are presented for laminar and turbulent heat transfer to a partially porous, nonisothermal flat plate. The model employed accounts for thermodynamic coupling between the boundary layer and porous wall heat transfer problems, and is expanded to include consideration of axial heat conduction along the wall. The results indicate that partial injection can be expected to produce a highly nonisothermal surface, which in turn causes the external Stanton number distribution to differ markedly from that predicted previously for assumed isothermal wall conditions. The boundary layer prediction technique is shown to be in reasonably good agreement with recent analytical and experimental results reported in the literature.

Copyright © 1973 by ASME
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