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Etudes Expérimentales et lois prédictives des foyers d'incendies

Abstract : Each year in France, compartment fires result in more than 88,000 interventions involving more than 15,000 people, including several hundred deaths and serious injuries. Today, during fire compartments, the decision-making of the rescue teams is mainly based on human decisions, as a result of the accumulated experience. However, a perfect knowledge of the situation, its evolution over time and the dangers that may appear is impossible. Therefore, studying the fumes is of major interest. Indeed, smoke remains important to study because it conveys valuable information, especially on the appearance of thermal phenomena feared by firemen. In order to carry out this study, an experimental cell made up of two maritime containers was installed on the site of the Seine-Maritime fire brigade fire training. This platform will produce hot smokes in a configuration called "real fire" thanks to a propane burner. In this study, the smoke dynamics in a large scale experimental setup is analyzed using a non-intrusive measurement technique such as PIV (Particle Image Velocity). All the performed measurements are compared with LES (Large Eddy Simulation) simulations of the experiment using Fire Dynamics Simulator (FDS). The double expertise (numerical / experimental) is essential in this type of study where the experimental data suffer from a lack of resolution (spatial and temporal) but nevertheless represents an important source of information necessary for the validation of the codes.
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Submitted on : Tuesday, November 27, 2018 - 10:24:11 AM
Last modification on : Thursday, November 28, 2019 - 3:45:13 AM
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  • HAL Id : tel-01935884, version 1


Benjamin Betting. Etudes Expérimentales et lois prédictives des foyers d'incendies. Mécanique des fluides [physics.class-ph]. Normandie Université, 2018. Français. ⟨NNT : 2018NORMR054⟩. ⟨tel-01935884⟩



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