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International Journal of Wildland Fire International Journal of Wildland Fire Society
Journal of the International Association of Wildland Fire
RESEARCH ARTICLE

Wall Shear-Stress as a Parameter to Correlate the Rate of Spread of a Wind Induced Forest Fire.

DX Viegas and LPC Neto

International Journal of Wildland Fire 1(3) 177 - 188
Published: 1991

Abstract

Modelling of the wind effect on the rate of spread of a flame in a forest fire usually employs a wind velocity measured at mid-flame height. An alternative formulation is proposed in this paper, based on the wall shear-stress produced by the wind on the fuelbed in the absence of combustion. Some tests performed on a labo ratory scale are described and the results obtained to gether with those from other sources confirm the possi bility of using wall shear-stress to correlate the rate of spread of a flame front.

Keywords: Behavior; Rate of Spread; Physics; Wind; Modelling

https://doi.org/10.1071/WF9910177

© IAWF 1991

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