Thermal stress vs. thermal transpiration: A competition in thermally driven cavity flows

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dc.contributor.authorMohammadzadeh, Alireza
dc.contributor.authorRana, Anirudh Singh
dc.contributor.authorStruchtrup, Henning
dc.date.accessioned2016-01-06T19:53:34Z
dc.date.available2016-01-06T19:53:34Z
dc.date.copyright2015en_US
dc.date.issued2015
dc.description.abstractThe velocity dependent Maxwell (VDM) model for the boundary condition of a rarefied gas, recently presented by Struchtrup [“Maxwell boundary condition and velocity dependent accommodation coefficient,” Phys. Fluids 25, 112001 (2013)], provides the opportunity to control the strength of the thermal transpiration force at a wall with temperature gradient. Molecular simulations of a heated cavity with varying parameters show intricate flow patterns for weak, or inverted transpiration force. Microscopic and macroscopic transport equations for rarefied gases are solved to study the flow patterns and identify the main driving forces for the flow. It turns out that the patterns arise from a competition between thermal transpiration force at the boundary and thermal stresses in the bulk.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.description.sponsorshipNatural Sciences and Engineering Research Council (NSERC)en_US
dc.identifier.citationAlireza Mohammadzadeh, Anirudh Singh Rana, and Henning Struchtrup. (2015). Thermal stress vs. thermal transpiration: A competition in thermally driven. Phys. Fluids 27, 112001.en_US
dc.identifier.urihttp://dx.doi.org/10.1063/1.4934624
dc.identifier.urihttp://hdl.handle.net/1828/7015
dc.language.isoenen_US
dc.publisherAIP: Physics of Fluidsen_US
dc.subject.departmentDepartment of Mechanical Engineering
dc.titleThermal stress vs. thermal transpiration: A competition in thermally driven cavity flowsen_US
dc.typeArticleen_US

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