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ISSN Print: 1064-2285
ISSN Online: 2162-6561
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0.6
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Indexed in
Certain Regularities of Heat and Mass Transfer Through an Open Aperture in a Fire in the Compartment
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ABSTRACT
An integral method is suggested for calculating the parameters of natural heat and mass exchange in a compartment with the environment through the aperture in a fire; the method takes into consideration nonuniform temperature distribution over the height. Analytical formulas have been developed for determining the distribution of pressure over the height, mass gas flow rates through the apertures, height of the neutral plane, the bulk-mean temperature of outgoing gases, and the critical time of fire. The impact of a nonuniform temperature field on the heat and mass transfer parameters and the critical time of fire have been studied theoretically. The results of the calculation of pressure distribution over the compartment height, obtained by the proposed method and the three-dimensional field mathematical model of fire thermogasdynamics have been compared.
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Puzach S V, Suleykin E V, Akperov R G, Nguyen T D, Experimental-theoretical approach to carbon monoxide density calculation at the incipient stage of the fire indoors, Journal of Physics: Conference Series, 891, 2017. Crossref