Notions de base sur la combustion

Roger Prud'Homme 1
1 IJLRDA-CEPT - Combustion, Energies Propres et Turbulence
DALEMBERT - Institut Jean Le Rond d'Alembert
Abstract : The discovery of fire has contributed to the emergence of humanity. It is then the scientific mastery of this same combustion that allowed the man to propel himself on the moon or more modestly to operate the engine of your car. Who was not fascinated by fireworks, a candle or a fire? Many physical and chemical phenomena occur there that this article will allow you to discover. The combustion results from a set of chemical reactions that releases energy. The different chemical bodies involved are essentially an oxidant, a reducing agent and the products of combustion. These bodies are in motion, diffuse into each other and the heat produced by chemical reactions spreads. The combustion is first approached in a gaseous medium. There are diffusion flames and premix flames. We first study the laminar case, then the action of turbulence on these flames. Then, a few heterogeneous cases are presented, such as the combustion of plates, sprays and powders.
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Roger Prud'Homme. Notions de base sur la combustion. Thermodynamique des interfaces et mécanique des fluides, ISTE OpenScience, 2019. ⟨hal-02126043⟩

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