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Kitamura, Keiichi und Tsukamoto, Yuta und Wang, Zhong-Nan und Möller, Felix und Tucker, Paul G. (2024) Effects of LES/RANS Hybrid Interface Location on Oscillating Shockwave in Transonic Buffeting Flow. In: Proceedings of the Cambridge Unsteady Flow Symposium 2024, Seiten 273-285. Springer Nature. Cambridge Unsteady Flow Symposium 2024, 2024-03-04 - 2024-03-05, Cambridge, UK. doi: 10.1007/978-3-031-69035-8_17. ISBN 978-3-031-69034-1.
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Kurzfassung
A comparative study varying both the hybrid interface location and grid spacing was conducted on a transonic buffeting flow involving an unsteady shock-wave/turbulent-boundary-layer interaction by Zonal DES, a hybrid RANS/LES method. It was demonstrated that the hybrid interface as high as 1.5 times the boundary-layer thickness was a good choice for reproducing the unsteady nature of the buffet, on the contrary to the typically recommended value of y+ around 100 (corresponding to 3.4% the boundary-layer thickness). With this interface location of y+ being 60, the grid spacing recommended for flat plate boundary-layer or even the reduced cell size led to notorious, early grid-induced separation upstream the shock.
| elib-URL des Eintrags: | https://elib.dlr.de/210445/ | ||||||||||||||||||||||||
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| Dokumentart: | Konferenzbeitrag (Vortrag) | ||||||||||||||||||||||||
| Titel: | Effects of LES/RANS Hybrid Interface Location on Oscillating Shockwave in Transonic Buffeting Flow | ||||||||||||||||||||||||
| Autoren: |
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| Datum: | 3 Dezember 2024 | ||||||||||||||||||||||||
| Erschienen in: | Proceedings of the Cambridge Unsteady Flow Symposium 2024 | ||||||||||||||||||||||||
| Referierte Publikation: | Ja | ||||||||||||||||||||||||
| Open Access: | Nein | ||||||||||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||||||||||
| In SCOPUS: | Nein | ||||||||||||||||||||||||
| In ISI Web of Science: | Nein | ||||||||||||||||||||||||
| DOI: | 10.1007/978-3-031-69035-8_17 | ||||||||||||||||||||||||
| Seitenbereich: | Seiten 273-285 | ||||||||||||||||||||||||
| Verlag: | Springer Nature | ||||||||||||||||||||||||
| ISBN: | 978-3-031-69034-1 | ||||||||||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||||||||||
| Stichwörter: | Hybrid RANS/LES/, Zonal DES, shock boundary layer interaction, shock buffet | ||||||||||||||||||||||||
| Veranstaltungstitel: | Cambridge Unsteady Flow Symposium 2024 | ||||||||||||||||||||||||
| Veranstaltungsort: | Cambridge, UK | ||||||||||||||||||||||||
| Veranstaltungsart: | internationale Konferenz | ||||||||||||||||||||||||
| Veranstaltungsbeginn: | 4 März 2024 | ||||||||||||||||||||||||
| Veranstaltungsende: | 5 März 2024 | ||||||||||||||||||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||||||
| HGF - Programm: | Luftfahrt | ||||||||||||||||||||||||
| HGF - Programmthema: | Umweltschonender Antrieb | ||||||||||||||||||||||||
| DLR - Schwerpunkt: | Luftfahrt | ||||||||||||||||||||||||
| DLR - Forschungsgebiet: | L CP - Umweltschonender Antrieb | ||||||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | L - Virtuelles Triebwerk | ||||||||||||||||||||||||
| Standort: | Köln-Porz | ||||||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Test und Simulation für Gasturbinen > Virtuelle Turbine und numerische Methoden | ||||||||||||||||||||||||
| Hinterlegt von: | Möller, Felix | ||||||||||||||||||||||||
| Hinterlegt am: | 16 Dez 2024 15:36 | ||||||||||||||||||||||||
| Letzte Änderung: | 16 Dez 2024 15:36 |
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