Stagnation-Point Heat Transfer: The Effect of the First Damköhler Similarity Parameter

[+] Author and Article Information
A. Alkidas, P. Durbetaki

School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Ga.

J. Heat Transfer 94(4), 410-414 (Nov 01, 1972) (5 pages) doi:10.1115/1.3449960 History: Received June 23, 1971; Online August 11, 2010


The present study considers the heat interaction between a combustible mixture and a constant-temperature surface near the stagnation region of a blunt body. The steady-state governing equations have been solved numerically for the case of Le = 1. A second-order Arrhenius law is assumed to describe the chemical kinetics of the mixture. The first Damköhler similarity parameter is shown to critically influence the surface heat transfer. The parameter represents a measure of the convective time to the chemical time.

Copyright © 1972 by ASME
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