Piecewise continuous partition function method in the theory of wave perturbations of inhomogeneous gas
Fluid Dynamics
2009-11-10 v1 Atmospheric and Oceanic Physics
Abstract
The problem of wave disturbance propagation in rarefied gas in gravity field is explored. The system of hydrodynamic-type equations for a stratified gas in gravity field is derived from BGK equation by method of piecewise continuous partition function. The obtained system of the equations generalizes the Navier-Stokes at arbitrary density (Knudsen numbers). The verification of the model is made for a limiting case of a homogeneous medium. Results are in the good agreement with experiment and former theories at arbitrary Knudsen numbers.
Keywords
Cite
@article{arxiv.physics/0411248,
title = {Piecewise continuous partition function method in the theory of wave perturbations of inhomogeneous gas},
author = {D. A. Vereshchagin and S. B. Leble and M. A. Solovchuk},
journal= {arXiv preprint arXiv:physics/0411248},
year = {2009}
}
Comments
12 pages, 5 figures