Nonlinear mass and heat transfer across liquid-vapor interfaces

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dc.contributor.authorFeyzi Oskouei, Pouria
dc.contributor.authorStruchtrup, Henning
dc.date.accessioned2025-08-13T17:10:11Z
dc.date.available2025-08-13T17:10:11Z
dc.date.issued2025
dc.description.abstractNonlinearities in mass and heat transfer across liquid-vapor interfaces are studied based on models from irreversible thermodynamics and the kinetic theory of gases. Specifically, we present the nonlinear extension of the well-known Hertz-Knudsen-Schrage (HKS) model of kinetic theory for mass flux and a corresponding relation for heat transfer. It is shown that this extended model stands in good agreement with established kinetic theory models for zero heat flux. The extended HKS model is linked to the force-flux relations of nonequilibrium thermodynamics by determining their nonlinear interface resistivities, which depend not only on the interface temperature, but also on mass and heat flux. Nondimensionalization based on temperature and saturation pressure yields resistivities independent of the local temperature. Reevaluation of recent Molecular Dynamics data for resistivities [Homes and Vrabec, Phys. Fluids 36, 022122 (2024)] reveals distinct nonlinearities.
dc.description.reviewstatusReviewed
dc.description.scholarlevelFaculty
dc.description.sponsorshipNatural Sciences and Engineering Research Council of Canada (NSERC) through Discovery Grant No. RGPIN-2022-03188.
dc.identifier.citationFeyzi Oskouei, P., & Struchtrup, H. 2025. Nonlinear mass and heat transfer across liquid-vapor interfaces. Physical Review E, 112, 025501. https://doi.org/10.1103/wzz4-d6sg
dc.identifier.urihttps://doi.org/10.1103/wzz4-d6sg
dc.identifier.urihttps://hdl.handle.net/1828/22588
dc.language.isoen
dc.publisherPhysical Review E
dc.subject.departmentDepartment of Mechanical Engineering
dc.titleNonlinear mass and heat transfer across liquid-vapor interfaces
dc.typeArticle

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