On the validity of hydrodynamics in plane Poiseuille flows

Hooman Malek, F. Baras and Alejandro L. Garcia

Physica A: Statistical Mechanics and its Applications, 1997, vol. 240, issue 1, 255-267

Abstract: 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.

Keywords: Hydrodynamics; Kinetic theory; Boltzmann equation; BGK approximation; Molecular dynamics; Direct simulation Monte Carlo (search for similar items in EconPapers)
Date: 1997
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:240:y:1997:i:1:p:255-267

DOI: 10.1016/S0378-4371(97)00149-0

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