Hydrodynamic equations from a BGK model for inert gas mixtures

We derive hydrodynamic equations from a consistent BGK model for inert mixtures, which preserves the structure of the original Boltzmann equations, with a sum of binary collision operators in each kinetic equation. A suitable Chapman–Enskog method allows to obtain an explicit closure of macroscopic...

Full description

Saved in:
Bibliographic Details
Main Authors: Bisi, M., Bobylev, A. V., Groppi, M., Spiga, G.
Format: Conference Proceeding
Language:English
Subjects:
BGK model
Collision dynamics
Computational fluid dynamics
Gas mixtures
Hydrodynamic equations
Kinetic equations
Macroscopic equations
Mathematical models
Rare gases
Citations: Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:We derive hydrodynamic equations from a consistent BGK model for inert mixtures, which preserves the structure of the original Boltzmann equations, with a sum of binary collision operators in each kinetic equation. A suitable Chapman–Enskog method allows to obtain an explicit closure of macroscopic equations at Navier–Stokes level, with transport coefficients in agreement with physical expectations.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5119630