Scattering kernel for polyatomic molecules

J. Gilbert Méolens, S. Kokou Dadzie

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Abstract

A polyatomic scattering kernel phenomenologically presented in a previous article is derived from an integral operator formulation. The five parameters involved in the scattering kernel expression are shown to be equal to the accommodation coefficients of various fluxes at the wall, namely: the fluxes of the three components of the momentum and the fluxes of the rotational and vibrational energies of molecules. Under its present form the model is especially convenient for the diatomic molecules.
Original languageEnglish
Pages (from-to)062101
Number of pages14
JournalJournal of Mathematical Physics
Volume46
Issue number6
DOIs
Publication statusPublished - 12 Mar 2005

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Keywords

  • rarefied fluid dynamics
  • molecule-surface impact
  • Boltzmann equation
  • kinetic theory
  • integral equations

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