Mean-Free-Path Concept in Gas Dynamics

descriptionPublicationkeyboard_double_arrow_right Article 01 Feb 1962 English Publisher:AIP PublishingJournal:The Physics of Fluids, volume 5, pages 165-168 (issn: 0031-9171,

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Authors: Muckenfuss, Charles;

doi: 10.1063/1.1706591

Mean-Free-Path Concept in Gas Dynamics

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Abstract

The mean free path of a rigid-sphere gas has been calculated from the most general form of the equilibrium distribution function. The mean free path depends on stream speed through the flow Mach number and increases monotonically with Mach number. The temperature dependence of the mean free path defined for realistic intermolecular forces through a transport coefficient is justified in molecular dynamics.

Keywords

hydrodynamics

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