Citation

Foley M, Drysdale DD. Fire Safety J. 1995; 24(1): 53-73.

Copyright

(Copyright © 1995, Elsevier Publishing)

DOI

unavailable

PMID

unavailable

Abstract

Measurements of the distribution of total heat flux on a wall exposed to a line burner have been carried out for a number of configurations in which the distance to a parallel wall has been varied. It has been shown that the heat fluxes increase as the separation between the walls is reduced. The burner position and heat output influence not only the levels of heat flux, but also the distribution pattern. Changing the air flow by blocking the ingress of air at the base of the walls is shown to have a dramatic effect. The most extreme case gave almost a four fold increase in the maximum heat flux when the base is closed off. Correlations have been obtained with a line burner symmetrically placed against an instrumented wall for in terms of x/Ql*2/3D, y'/D, and a/D, with correlation coefficients of at least 0[middle dot]957. The results and findings have implications for modelling flame spread in confined spaces, and for identifying and assessing the risks associated with the bulk storage of materials.