[Une vision microscopique de la loi de Fourier]
La loi de Fourier permet de décrire la diffusion de la chaleur dans des systèmes physiques à l'échelle macroscopique. Cette loi est très bien vérifiée expérimentalement, et une question naturelle est de la justifier à partir de modèles microscopiques en utilisant les principes fondamentaux de la mécanique.
The Fourier law of heat conduction describes heat diffusion in macroscopic systems. This physical law has been experimentally tested for a large class of physical systems. A natural question is to know whether it can be derived from the microscopic models using the fundamental laws of mechanics.
Mot clés : Équation de Boltzmann, Loi de Fourier, Équation de diffusion, Gaz de sphères dures, Limite de basse densité, Méthode de l'entropie relative
Thierry Bodineau 1 ; Isabelle Gallagher 2 ; Laure Saint-Raymond 3
@article{CRPHYS_2019__20_5_402_0,
author = {Thierry Bodineau and Isabelle Gallagher and Laure Saint-Raymond},
title = {A microscopic view of the {Fourier} law},
journal = {Comptes Rendus. Physique},
pages = {402--418},
publisher = {Elsevier},
volume = {20},
number = {5},
year = {2019},
doi = {10.1016/j.crhy.2019.08.002},
language = {en},
}
Thierry Bodineau; Isabelle Gallagher; Laure Saint-Raymond. A microscopic view of the Fourier law. Comptes Rendus. Physique, Volume 20 (2019) no. 5, pp. 402-418. doi : 10.1016/j.crhy.2019.08.002. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2019.08.002/
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