On upward flame spread on thick fuels
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Saito, Quintiere and Williams (1) developed an integral equation derived from quasi-steady thermal flame spread theory to describe spread up a thick solid. Allowance was made in this purely thermal model for a varying rate of pyrolysis and the relationship between flame length and burning rate was linearised. They discussed asymptotic solutions to their equation and derived the requirements for two-dimensional propagation both for a step function pyrolysis rate m" = constant up to a burnout time and an inverse square root variation. Here their integral equation is solved analytically by Laplace Transform and is also applied to pyrolysis which decreases exponentially with time.
Ämnesklassifikation (UKÄ) – OBLIGATORISK
|Förlag||Department of Fire Safety Engineering and Systems Safety, Lund University|
|Status||Published - 1990|
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