Evaporation Boundary Conditions for the R13 Equations of Rarefied Gas Dynamics

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dc.contributor.author Struchtrup, Henning
dc.contributor.author Beckmann, Alexander
dc.contributor.author Rana, Anirudh Singh
dc.contributor.author Frezzotti, Aldo
dc.date.accessioned 2017-09-13T16:23:56Z
dc.date.available 2017-09-13T16:23:56Z
dc.date.copyright 2017 en_US
dc.date.issued 2017
dc.identifier.citation Henning Struchtrup, Alexander Beckmann, Anirudh Singh Rana, and Aldo Frezzotti. Evaporation boundary conditions for the R13 equations of rarefied gas dynamics. Physics of Fluids 29 092004 (2017). en_US
dc.identifier.uri http://dx.doi.org/10.1063/1.4989570
dc.identifier.uri https://dspace.library.uvic.ca//handle/1828/8563
dc.description.abstract The regularized 13 moment equations (R13) are a macroscopic model for the description of rarefied gas flows in the transition regime. The equations have been shown to give meaningful results for Knudsen numbers up to about 0.5. Here, their range of applicability is extended by deriving and testing boundary conditions for evaporating and condensing interfaces. The macroscopic interface conditions are derived from the microscopic interface conditions of kinetic theory. Tests include evaporation into a half-space, and evaporation/condensation of a vapor between two liquid surfaces of different temperatures. Comparison indicates that overall the R13 equations agree better with microscopic solutions than classical hydrodynamics. en_US
dc.description.sponsorship Natural Sciences and Engineering Research Council (NSERC) EPSRC Programme Grant EP/N016602/1 National Group of Mathematical Physics (INDAM-GNFM). en_US
dc.language.iso en en_US
dc.publisher Physics of Fluids en_US
dc.rights Attribution-NonCommercial-NoDerivs 2.5 Canada *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/2.5/ca/ *
dc.title Evaporation Boundary Conditions for the R13 Equations of Rarefied Gas Dynamics en_US
dc.type Article en_US
dc.description.scholarlevel Faculty en_US
dc.description.reviewstatus Reviewed en_US

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