ON THE CHAPMAN-ENSKOG ASYMPTOTICS FOR A MIXTURE OF MONOATOMIC AND POLYATOMIC RAREFIED GASES - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue Kinetic and Related Models Année : 2018

ON THE CHAPMAN-ENSKOG ASYMPTOTICS FOR A MIXTURE OF MONOATOMIC AND POLYATOMIC RAREFIED GASES

Résumé

In this paper, we propose a formal derivation of the Chapman-Enskog asymptotics for a mixture of monoatomic and polyatomic gases. We use a direct extension of the model devised in [8, 16] for treating the internal energy with only one continuous parameter. This model is based on the Borgnakke-Larsen procedure [6]. We detail the dissipative terms related to the interaction between the gradients of temperature and the gradients of concentrations (Dufour and Soret effects), and present a complete explicit computation in one case when such a computation is possible, that is when all cross sections in the Boltzmann equation are constants.
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Dates et versions

hal-01918651 , version 1 (11-11-2018)

Identifiants

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Céline Baranger, Marzia Bisi, Stéphane Brull, Laurent Desvillettes. ON THE CHAPMAN-ENSKOG ASYMPTOTICS FOR A MIXTURE OF MONOATOMIC AND POLYATOMIC RAREFIED GASES. Kinetic and Related Models , 2018, ⟨10.3934/krm.2018033⟩. ⟨hal-01918651⟩
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