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Master thesis

Caractérisation et Compréhension des phénomènes de Stratification en Situation de Feu Confiné

Abstract : This work is devoted to the study of smoke stratification in case of fire building. It is based on simulations carried out with the CFD code Fire Dynamics Simulator and on fire tests at real scale. The first part is a literature survey which is focused on the physical phenomena related to the smoke flow in a confined space, to the influence of water droplet injection on a smoke layer, and more generally to the context of fire safety. In a second part, the numerical code FDS is presented, with a preliminary simulation of a room-corridor configuration in case of fire. This first study is aimed at preparing a test series which is detailed in a next part. The corresponding results lead toward a better understanding of the involved phenomena regarding thermal and optical stratification in a medium with smoke. The room-corridor configuration has been optimized using the numerical simulation as detailed in the report. Two tests have been carried out in order to qualify the experimental setup regarding the smoke flow, in view of a future experimental campaign. The last section is devoted to a future study of water mist - smoke interactions. The present work, which is a part of a research program headed by the CSTB, will be continued in the frame of a PhD thesis aimed at better describing the thermal and optical stratification in a smoke layer in a confined space, possibly altered by water mist application.
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Submitted on : Tuesday, April 9, 2019 - 10:17:06 AM
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  • HAL Id : hal-02093647, version 1



Romain Morlon. Caractérisation et Compréhension des phénomènes de Stratification en Situation de Feu Confiné. Génie des procédés. 2012. ⟨hal-02093647⟩



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