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The effect of a phase transition on the boundary conditions for rarefied gases

โœ Scribed by S.P. Bakanov; V.I. Roldughin

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
386 KB
Volume
60
Category
Article
ISSN
0021-8928

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โœฆ Synopsis

The entropy production at the interface between a liquid and a binary vapour--gas mixture is calculated using a phenomenological approach. The consic.eration is confined to the case of the mixture flow over a slightly curved surface, the radius of curvature of which is much greater than the mean free path of the gas molecules. The presence, close to the interface, of kinetic boundary layers in which mass, momentum and energy transfer occurs is borne in mind. Using the entropy production obtained a system of phenomological equations is constructed for the scalar, vector and tensor surface fluxes and forces. New effects which arise from the non-equilibrium thermodynamics relations obtained are discussed.

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