On the validity of hydrodynamics in plane Poiseuille flows

Microscopic simulations of plane Poiseuille flow for a dilute gas are presented. Although the flow is laminar (Reynolds number ≈10) and sub-sonic, the temperature and pressure profiles measured in the simulations differ qualitatively from the hydrodynamic predictions. The results are in agreement with a recent theoretical analysis based on the asymptotic solution of the BGK model of the Boltzmann equation.

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Year of publication:	1997
Authors:	Malek Mansour, M. ; Baras, F. ; Garcia, Alejandro L.
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 240.1997, 1, p. 255-267
Publisher:	Elsevier
Subject:	Hydrodynamics \| Kinetic theory \| Boltzmann equation \| BGK approximation \| Molecular dynamics \| Direct simulation Monte Carlo

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10011059884