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Pool Fire Behavior in a Small and Mechanically Ventilated Compartment
Abstract Several fire tests were conducted with heptane and in a chamber of 1 m3, in which the smoke exhaust was done by a fan. The aim was to analyze the rate of mass loss of fuel and the behavior of the flame in the case of under-ventilated fires. For all tests, the oxygen concentration in the flow which feeds the base of the flame decreases continuously. However the mass loss rate increases or decreases depending on the ventilation in the compartment. This can be explained by the respective contribution of the flame and of the smoke layer in the heat transfer toward the liquid fuel. If the ventilation of the room is sufficient, a periodic phenomenon of propagation/expansion of the flame is also observed, with a characteristic frequency that has been determined by an analysis of the flame images and which is close to 1 Hz.
Pool Fire Behavior in a Small and Mechanically Ventilated Compartment
Abstract Several fire tests were conducted with heptane and in a chamber of 1 m3, in which the smoke exhaust was done by a fan. The aim was to analyze the rate of mass loss of fuel and the behavior of the flame in the case of under-ventilated fires. For all tests, the oxygen concentration in the flow which feeds the base of the flame decreases continuously. However the mass loss rate increases or decreases depending on the ventilation in the compartment. This can be explained by the respective contribution of the flame and of the smoke layer in the heat transfer toward the liquid fuel. If the ventilation of the room is sufficient, a periodic phenomenon of propagation/expansion of the flame is also observed, with a characteristic frequency that has been determined by an analysis of the flame images and which is close to 1 Hz.
Pool Fire Behavior in a Small and Mechanically Ventilated Compartment
Coppalle, Alexis (author) / Loo, Alvin (author) / Ainé, Philippe (author)
Fire Science and Technology 2015 ; 97-104
2016-10-05
8 pages
Article/Chapter (Book)
Electronic Resource
English
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