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Mise en évidence numérique de l’effet klinkenberg par une méthode Boltzmann-BGK sur réseau

Abstract : We propose a lattice method for Boltzmann-BGK equation (similar to“Lattice Boltzmann Methods”) valid over a wide range of Knudsen numbers (typically 10−4 < Kn < 10) and supporting weak heat transfer. These numerical schemes based on a decomposition on a Hermite polynomial basis have been previously tested on a Poiseuille flow with promising results and helped to explain the Knudsen’s paradox. A refined version of this approach is presented here. It is used to highlight the Klinkenberg effect on flow in discrete porous media.
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Jean-Louis Rouet, B Izrar, Léonard de Izarra. Mise en évidence numérique de l’effet klinkenberg par une méthode Boltzmann-BGK sur réseau. 20ème Congrès Français de Mécanique, Aug 2011, Besançon, France. ⟨insu-01168527⟩

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