Influence of Gas Species on Backdraft Probability Using a Diffusion Flame Limits Criterion
Source abstract
Abstract
Backdraft is a limited-ventilation fire phenomenon closely linked to the unburnt gases accumulated in the fire compartment just before creating an opening that allows a new supply of oxygen to enter the compartment. The aim of this article is to help understanding the influence of gas species such as hydrocarbon C m H n , water, carbon dioxide, oxygen, and nitrogen on backdraft probability. The influence of increasing the number of moles of the above gas species as well as the number of atoms of carbon, hydrogen, and oxygen in the fuel composition is analyzed. For this purpose, a diffusion flame limit criterion based on Le Chatelier's rule is used. In order to verify the obtained results, validation with 41 backdraft experiments is carried out.
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Research context
OpenAlex topics: Fire dynamics and safety research · Evacuation and Crowd Dynamics · Wind and Air Flow Studies
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Affiliations
Labein Tecnalia - Department of S.A.I., C/GELDO - Parque Tecnolœgico de Vizcaya, Building 700, 48160 - DERIO, SPAIN
University of Liege, Department of Mécanique des matériaux & Structures Building B52, Chemin des Chevreuils, 4000 LIEGE, Belgium,
Iceland Fire Authorities, Skúlagötu 21, 101 - Reykjavík, Iceland
References (11)
Show source-provided references
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