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Transition and Turbulence Modelling for Dynamic Stall and Buffet

Geissler, W. and Ruiz-Calavera, L.P. (1999) Transition and Turbulence Modelling for Dynamic Stall and Buffet. 4th International Symposium on Engineering Turbulence Modelling and Measurements, Frantour&CCAS, Porticcio-Ajaccio, Corsica, May 24-26, 1999.

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Abstract

The influence of various turbulence models (Baldwin-Lomax, Spalart-Allmaras,k-omega, SST k-omega) and transition models (Chen-Thyson with various transition onset criteria) in calculations involving unsteady separated flows (dynamic stall and shock buffet) is tested. The results are compared against experimental data and other published calculations. For these very sensitive flow problems different turbulence models produce very different results, which also depend on the details of the implementation of a particular turbulence model, even if the same Navier-Stokes solver scheme is used.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2001,
Title:Transition and Turbulence Modelling for Dynamic Stall and Buffet
Authors:
AuthorsInstitution or Email of Authors
Geissler, W.UNSPECIFIED
Ruiz-Calavera, L.P.UNSPECIFIED
Date:1999
Status:Published
Event Title:4th International Symposium on Engineering Turbulence Modelling and Measurements, Frantour&CCAS, Porticcio-Ajaccio, Corsica, May 24-26, 1999
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:59

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