Czarnota, Tomasz und Wetzel, Tim und Wagner, Claus (2016) Large Eddy Simulation of Turbulent Thermal Convection Using Different Subgrid-Scale Models. In: New Results in Numerical and Experimental Fluid Mechanics X Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 132. Springer International Publishing Switzerland 2016. Seiten 505-514. doi: 10.1007/978-3-319-27279-5_44. ISBN 978-3-319-27278-8. ISSN 1612-2909.
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Kurzfassung
We present a comparison of large eddy simulations of turbulent convection in a cuboidal Rayleigh-Bénard cell. The LES are performed with the dynamic Smagorinsy model in the monentum equation and with the subgrid scale heat transprt model by Peng an Davidson [5] in the energy equation. Additionally, LES were conducted with a dynamic scale similarity model used in the momentum and in the energy equation. It was found that in contrast to the scale similarity model, the dynamic Smagorinsky model occasionally produces unphysical temperature values which must be filtered out. Their number can be reduced by increasing the filter ratio in the dynamic procedure. On the other Hand, the Smagorinsky model Shows a log-like dependency on the filter width ratio for all compared quantites, with the fluxes for the smallest considered folter width ratio.
elib-URL des Eintrags: | https://elib.dlr.de/110360/ | ||||||||||||||||||||||||
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Dokumentart: | Beitrag im Sammelband | ||||||||||||||||||||||||
Zusätzliche Informationen: | DOI 10.1007/978-3-319-27279-5_44 | ||||||||||||||||||||||||
Titel: | Large Eddy Simulation of Turbulent Thermal Convection Using Different Subgrid-Scale Models | ||||||||||||||||||||||||
Autoren: |
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Datum: | 2016 | ||||||||||||||||||||||||
Erschienen in: | New Results in Numerical and Experimental Fluid Mechanics X | ||||||||||||||||||||||||
Referierte Publikation: | Ja | ||||||||||||||||||||||||
Open Access: | Nein | ||||||||||||||||||||||||
Gold Open Access: | Nein | ||||||||||||||||||||||||
In SCOPUS: | Nein | ||||||||||||||||||||||||
In ISI Web of Science: | Nein | ||||||||||||||||||||||||
Band: | 132 | ||||||||||||||||||||||||
DOI: | 10.1007/978-3-319-27279-5_44 | ||||||||||||||||||||||||
Seitenbereich: | Seiten 505-514 | ||||||||||||||||||||||||
Herausgeber: |
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Verlag: | Springer International Publishing Switzerland 2016 | ||||||||||||||||||||||||
Name der Reihe: | Notes on Numerical Fluid Mechanics and Multidisciplinary Design | ||||||||||||||||||||||||
ISSN: | 1612-2909 | ||||||||||||||||||||||||
ISBN: | 978-3-319-27278-8 | ||||||||||||||||||||||||
Status: | veröffentlicht | ||||||||||||||||||||||||
Stichwörter: | LES, turbulence modeling, convection | ||||||||||||||||||||||||
HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||||||
HGF - Programm: | Verkehr | ||||||||||||||||||||||||
HGF - Programmthema: | Bodengebundener Verkehr (alt) | ||||||||||||||||||||||||
DLR - Schwerpunkt: | Verkehr | ||||||||||||||||||||||||
DLR - Forschungsgebiet: | V BF - Bodengebundene Fahrzeuge | ||||||||||||||||||||||||
DLR - Teilgebiet (Projekt, Vorhaben): | V - Next Generation Train III (alt) | ||||||||||||||||||||||||
Standort: | Göttingen | ||||||||||||||||||||||||
Institute & Einrichtungen: | Institut für Aerodynamik und Strömungstechnik > Fluidsysteme | ||||||||||||||||||||||||
Hinterlegt von: | Bachmann, Barbara | ||||||||||||||||||||||||
Hinterlegt am: | 10 Jan 2017 16:15 | ||||||||||||||||||||||||
Letzte Änderung: | 20 Jul 2023 11:27 |
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