Large eddy simulation of high atwood number rayleigh-taylor mixing

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dc.contributor.authorYılmaz, İlyas
dc.date.accessioned2022-03-14T12:12:36Z
dc.date.available2022-03-14T12:12:36Z
dc.date.issued2019
dc.description12th International Conference on Computational Heat, Mass and Momentum Transfer (ICCHM2T) -- 43619en_US
dc.description.abstractLarge eddy simulation of Rayleigh-Taylor instability at high Atwood numbers is performed using recently developed, kinetic energy-conserving, non-dissipative, fully-implicit, finite volume algorithm. The algorithm does not rely on the Boussinesq assumption. It also allows density and viscosity to vary. No interface capturing mechanism is requried. Because of its advanced features, unlike the pure incompressible ones, it does not suffer from the loss of physical accuracy at high Atwood numbers. Many diagnostics including local mole fractions, bubble and spike growth rates, mixing efficiencies, Taylor micro-scales, Reynolds stresses and their anisotropies are computed to analyze the high Atwood number effects. The density ratio dependence for the ratio of spike to bubble heights is also studied. Results show that higher Atwood numbers are characterized by increasing ratio of spike to bubble growth rates, higher speeds of bubble and especially spike fronts, faster development in instability, similarity in late time mixing values, and mixing asymmetry.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1051/e3sconf/201912808001
dc.identifier.issn2267-1242
dc.identifier.scopus2-s2.0-85075507623en_US
dc.identifier.urihttps://hdl.handle.net/11411/4482
dc.identifier.urihttps://doi.org/10.1051/e3sconf/201912808001
dc.identifier.wosWOS:000543713200075en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors1en_US
dc.relation.ispartofseriesE3S Web of Conferencesen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDENSITY RATIO DEPENDENCEen_US
dc.subjectNUMERICAL-SIMULATIONen_US
dc.subjectINSTABILITYen_US
dc.subjectTRANSITIONen_US
dc.subjectALGORITHMen_US
dc.subjectDNSen_US
dc.titleLarge eddy simulation of high atwood number rayleigh-taylor mixing
dc.typeConference Object
dc.volume128en_US

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