Boundary Integral Equation Method Calculations of Surface Regression Effects in Flame Spreading

[+] Author and Article Information
R. A. Altenkirch, M. Rezayat, R. Eichhorn, F. J. Rizzo

Department of Mechanical Engineering, University of Kentucky, Lexington, Ky. 40506

J. Heat Transfer 104(4), 734-740 (Nov 01, 1982) (7 pages) doi:10.1115/1.3245193 History: Received September 23, 1981; Online October 20, 2009


A solid-phase conduction problem that is a modified version of one that has been treated previously in the literature and is applicable to flame spreading over a pyrolyzing fuel is solved using a boundary integral equation (BIE) method. Results are compared to surface temperature measurements that can be found in the literature. In addition, the heat conducted through the solid forward of the flame, the heat transfer responsible for sustaining the flame, is also computed in terms of the Peclet number based on a heated layer depth using the BIE method and approximate methods based on asymptotic expansions. Agreement between computed and experimental results is quite good as is agreement between the BIE and the approximate results.

Copyright © 1982 by ASME
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