DSMC and R13 Modeling of the Adiabatic Surface

dc.contributor.authorMohammadzadeh, Alireza
dc.contributor.authorRana, Anirudh
dc.contributor.authorStruchtrup, Henning
dc.date.accessioned2017-06-12T19:48:30Z
dc.date.available2017-06-12T19:48:30Z
dc.date.copyright2016en_US
dc.date.issued2016
dc.description.abstractAdiabatic wall boundary conditions for rarefied gas flows are described with the isotropic scattering model. An appropriate sampling technique for the direct simulation Monte Carlo (DSMC) method is presented, and the corresponding macroscopic boundary equations for the regularized 13-moment system (R13) are obtained. DSMC simulation of a lid driven cavity shows slip at the wall, which, as a viscous effect, creates heat that enters the gas while there is no heat flux in the wall. Analysis with the macroscopic equations and their boundary conditions reveals that this heat flux is due to viscous slip heating, and is the product of slip velocity and shear stress at the adiabatic surface. DSMC simulations of the driven cavity with adiabatic walls are compared to R13 simulations, which both show this non-linear effect in good agreement for Kn < 0.3.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.description.sponsorshipNSERC Discovery Granten_US
dc.identifier.citationMohammadzadeh, A., , Rana, Anirudh., & Struchtrup, H. (2016). International Journal of Thermal Sciences 101, p. 9-23.en_US
dc.identifier.urihttps://doi.org/10.1016/j.ijthermalsci.2015.10.007
dc.identifier.urihttp://hdl.handle.net/1828/8274
dc.language.isoenen_US
dc.publisherInternational Journal of Thermal Sciencesen_US
dc.subjectKinetic theory
dc.subjectDSMC
dc.subjectR13
dc.subjectBoundary condition
dc.subjectAdiabatic surface
dc.subject.departmentDepartment of Mechanical Engineering
dc.titleDSMC and R13 Modeling of the Adiabatic Surfaceen_US
dc.typePostprinten_US

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