A Numerical Study of the Response of Building Components to Heating in a Fire

[+] Author and Article Information
D. J. Holve

Sandia National Laboratories, Livermore, Calif. 94550

A. M. Kanury

Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, Ind. 46556

J. Heat Transfer 104(2), 344-350 (May 01, 1982) (7 pages) doi:10.1115/1.3245094 History: Received June 22, 1981; Online October 20, 2009


This paper addresses the problem of fire resistance of building systems. A numerical parametric study is performed to find the influence of various physical and chemical parameters on the thermochemical response of wood, gypsum, and wood-under-gypsum walls subjected to a simulated fire on the front face. It is found that: (i) the thermal radiation terms are important in the exposure boundary condition; (ii) the pyrolysis kinetic detail required to design fire-resistive walls is minimal; and (iii) the earlier dimensional and approximate analyses are in agreement with the present numerical results. These results suggest use of a simple analytical relationship to describe and correlate the ASTM E-119 fire endurance test data.

Copyright © 1982 by ASME
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