Abstract
Dependence of the height of turbulent wall flames and the wall flame heat transfer on the fuel conditions is studied by experiments using porous line burners against walls. The flame height is represented as a function of heat release rate and fuel width. According to the data of incident heat flux to the wall surface, the wall above a fire source appears to divide into four regions following the thickness and intermittency of a luminous flame. The distribution of the incident heat flux is represented as a function of the height normalized by a scale length representing the flame height. Exploratory analysis is made to explain this result from the heat transfer mechanism. The present analysis seems to be consistent with current experimental work on wall flames.
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