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Contribution à la modélisation des feux de forêt: Cinétique de dégradation thermique et Cinétique de combustion des végétaux

Abstract : On the international plan, the works of forest fires modelling show that the chemistry of lignocellulosic fuels, in fire condition, was badly know. The scope of this pHD thesis was to bring a contribution to the understanding of:
•Thermal kinetics degradation of plants,
•Combustion kinetics of gases emitted during the pyrolysis.
The use of a hybrid kinetic method brought knowledge on the quantification of the mass loss during degradation, and the kinetic model of thermal degradation of fuels. On the other hand the combustion of a mixture CH4/CO/CO2 was studied in a perfectly stirred reactor. At first, a skeletal mechanism was developed from a detail known mechanism of methane oxidation. In a second time, the application of steady state assumption ended a reduced mechanism including only 4 global reactions. The reduced mechanism can be henceforth introduced in a computational fluid dynamic code.
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https://tel.archives-ouvertes.fr/tel-00343986
Contributor : Valérie Leroy-Cancellieri <>
Submitted on : Wednesday, December 3, 2008 - 12:54:35 PM
Last modification on : Thursday, January 11, 2018 - 6:16:28 AM
Long-term archiving on: : Monday, June 7, 2010 - 10:19:12 PM

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Valérie Leroy. Contribution à la modélisation des feux de forêt: Cinétique de dégradation thermique et Cinétique de combustion des végétaux. Chimie. Université Pascal Paoli, 2007. Français. ⟨tel-00343986⟩

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