On the Chapman-Enskog asymptotics for a mixture of monoatomic and polyatomic rarefied gases

Céline Baranger,Laurent Desvillettes,Marzia Bisi,Stéphane Brull

doi:10.1063/1.5119524

On the Chapman-Enskog asymptotics for a mixture of monoatomic and polyatomic rarefied gases

Céline Baranger, Laurent Desvillettes + Show 2 more

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https://doi.org/10.1063/1.5119524

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Publication Date: Jan 1, 2019
Citations: 2	License type: other-oa

Affiliation: Centre d'Études Scientifiques et Techniques d'Aquitaine, Atomic Energy and Alternative Energies Commission, Institut de Mathématiques de Jussieu, Sorbonne Paris Cité, Sorbonne Université, Université Paris Cité, French National Centre for Scientific Research, University of Parma, Institut Polytechnique de Bordeaux, Institut de Mathématiques de Bordeaux, University of Bordeaux

#Polyatomic Gases #Mixture Of Rarefied Gases + Show 8 more

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Abstract

In this paper, we propose a formal Chapman-Enskog expansion in the context of mixtures of monoatomic and polyatomic gases. We start from a Boltzmann model that is based on the Borgnakke-Larsen procedure ([14]) and we derive a compressible Navier-Stokes system. In a last part, we perform some explicit computations of the transport coefficients in the case of Maxwell molecules for diatomic gases.

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