Transition Gas Flow Between Two Parallel Plates with a Slit-Type Obstacle of Various Geometry by Event-Driven Molecular Dynamics Simulation

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dc.authorid237061en_US
dc.authorid36476en_US
dc.authorid132959en_US
dc.contributor.authorKoç, Mustafa
dc.contributor.authorKandemir, İlyas
dc.contributor.authorAkkaya, Volkan Ramazan
dc.date.accessioned2023-02-03T07:03:24Z
dc.date.available2023-02-03T07:03:24Z
dc.date.issued2022
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractIn this study, pressure-driven flow through a slit-type obstacle with various lengths (L) and heights (H) placed in between two parallel plates was investigated by Event-Driven Molecular Dynamics (EDMD) simulation. Mach number, temperature and pressure distributions were obtained along the channel in the transition regime. The change in these macroscopic properties and flow rate were examined for different cases created by changing Knudsen number (Kn) of the flow, the geometry of the slit and the outlet/inlet pressure ratio of the flow. Collision of gas molecules with plates and the obstacle were modeled with diffusive reflection boundary condition. The flow rate showed a sudden change in the transition regime and significant differences in the molecular regime depending on the pressure ratio. Except for the Kn, H and L dimensions were found to be effective in Mach disc formation. Pressure drops at the exit of the slit were shaped differently in normalized pressure profiles depending on Kn, H and L dimensions. In addition, the structure of the vortices formed at the entrance and exit of the slit varies depending on Kn. Some of the results obtained were confirmed to be consistent with similar studies in the literature.en_US
dc.identifier.doi10.16984/saufenbilder.1081717
dc.identifier.issn1301-8752
dc.identifier.trdizinid1119901en_US
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/1119901
dc.identifier.urihttps://doi.org/10.16984/saufenbilder.1081717
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.publisherSakarya Üniversitesien_US
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.subjectEvent-Driven Molecular Dynamic Simulationen_US
dc.subjectKnudsen Numberen_US
dc.subjectSlit Flowen_US
dc.subjectMach Discsen_US
dc.subjectTransition Regimeen_US
dc.subjectVorticityen_US
dc.titleTransition Gas Flow Between Two Parallel Plates with a Slit-Type Obstacle of Various Geometry by Event-Driven Molecular Dynamics Simulationen_US
dc.typeArticleen_US

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