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dc.contributor.authorRighi, Marcello-
dc.date.accessioned2018-12-05T15:26:53Z-
dc.date.available2018-12-05T15:26:53Z-
dc.date.issued2015-
dc.identifier.isbn978-1-62410-362-9de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/13586-
dc.description.abstractWhen it comes to simulate hypersonic flows, gas-kinetic schemes provide one distinct advantage over conventional Navier-Stokes schemes: they are able to handle rarefaction in a “natural” way; they can for instance provide a natural slip wall boundary condition. As previous studies by the author had shown encouraging results obtained with a gas-kinetic scheme with flows including shock - turbulent boundary layer interaction, this work looks at hypersonic turbulent flows. In particular, it investigates the application of a gas-kinetic scheme with a RANS turbulence model for high-enthalpy hypersonic flows. On the basis of preliminary results, the idea is put forward that these schemes provide a physically more consistent framework to model numerical fluxes. In particular, they generate at each time step a time-accurate gas-evolution stage which contains both “transport” and “collisions” effects, i.e. which allows modelling both advective and viscous fluxes simultaneously - a necessary condition for rarefied flow. Additionally, the author points out that in the framework of an eddy viscosity approach, an artificially high degree of rarefaction – due to the turbulent unresolved scales of motion – may appear locally and “mislead” conventional schemes.de_CH
dc.language.isoende_CH
dc.publisherAIAA AVIATION Forumde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subject.ddc530: Physikde_CH
dc.subject.ddc620: Ingenieurwesende_CH
dc.titleA numerical scheme for hypersonic turbulent flow : AIAA 2015-3341de_CH
dc.typeKonferenz: Paperde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitut für Mechanische Systeme (IMES)de_CH
dc.identifier.doi10.2514/MFD15de_CH
zhaw.conference.details45th AIAA Fluid Dynamics Conference «Hypersonic and Chemically-Reacting Flows» Dallas TX, USA, 22-26 June 2015de_CH
zhaw.funding.euNode_CH
zhaw.originated.zhawYesde_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.publication.reviewNot specifiedde_CH
zhaw.title.proceedingsProceedings of the 45th Fluid Dynamics Conference : Hypersonic and Chemically-Reacting Flowsde_CH
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Righi, M. (2015). A numerical scheme for hypersonic turbulent flow : AIAA 2015-3341. Proceedings of the 45th Fluid Dynamics Conference : Hypersonic and Chemically-Reacting Flows. https://doi.org/10.2514/MFD15
Righi, M. (2015) ‘A numerical scheme for hypersonic turbulent flow : AIAA 2015-3341’, in Proceedings of the 45th Fluid Dynamics Conference : Hypersonic and Chemically-Reacting Flows. AIAA AVIATION Forum. Available at: https://doi.org/10.2514/MFD15.
M. Righi, “A numerical scheme for hypersonic turbulent flow : AIAA 2015-3341,” in Proceedings of the 45th Fluid Dynamics Conference : Hypersonic and Chemically-Reacting Flows, 2015. doi: 10.2514/MFD15.
RIGHI, Marcello, 2015. A numerical scheme for hypersonic turbulent flow : AIAA 2015-3341. In: Proceedings of the 45th Fluid Dynamics Conference : Hypersonic and Chemically-Reacting Flows. Conference paper. AIAA AVIATION Forum. 2015. ISBN 978-1-62410-362-9
Righi, Marcello. 2015. “A Numerical Scheme for Hypersonic Turbulent Flow : AIAA 2015-3341.” Conference paper. In Proceedings of the 45th Fluid Dynamics Conference : Hypersonic and Chemically-Reacting Flows. AIAA AVIATION Forum. https://doi.org/10.2514/MFD15.
Righi, Marcello. “A Numerical Scheme for Hypersonic Turbulent Flow : AIAA 2015-3341.” Proceedings of the 45th Fluid Dynamics Conference : Hypersonic and Chemically-Reacting Flows, AIAA AVIATION Forum, 2015, https://doi.org/10.2514/MFD15.


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