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The Influence of the Length Scale Equation on the Simulation Results of Aerodynamic Flows Using Differential Reynolds Stress Models

Eisfeld, Bernhard (2010) The Influence of the Length Scale Equation on the Simulation Results of Aerodynamic Flows Using Differential Reynolds Stress Models. In: New Results in Numerical and Experimental Fluid Mechanics VII Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 112. Springer. pp. 83-90. ISBN 978-3-642-14242-0. ISSN 1612-2909

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Abstract

The Stress-omega differential Reynolds stress model with the omega-equations of Wilcox, Kok and Menter and the SSG/LRR-omega model, being always linked to the Menter omega-equation, have been applied to the transonic flow around the RAE 2822 airfoil and the ONERA M6 wing. Comparison with the Wilcox k-omega model shows the influence of replacing the k-equation and the Boussinesq hypothesis by the modeled Reynolds stress transport equation. Particularly for the M6 wing differential Reynolds stress models appear to be generally superior. Nevertheless the comparison between different model variants reveals, that details of the length scale equation can have a larger influence than details of the re-distribution term modeling.

Document Type:Book Section
Title:The Influence of the Length Scale Equation on the Simulation Results of Aerodynamic Flows Using Differential Reynolds Stress Models
Authors:
AuthorsInstitution or Email of Authors
Eisfeld, Bernhardbernhard.eisfeld@dlr.de
Date:2010
Journal or Publication Title:New Results in Numerical and Experimental Fluid Mechanics VII
Refereed publication:Yes
In ISI Web of Science:No
Volume:112
Page Range:pp. 83-90
Editors:
EditorsEmail
Dillmann, Andreasandreas.dillmann@dlr.de
Heller, GerdUNSPECIFIED
Klaas, MichaelUNSPECIFIED
Kreplin, Hans-PeterUNSPECIFIED
Nitsche, WolfgangUNSPECIFIED
Schröder, WolfgangUNSPECIFIED
Publisher:Springer
Series Name:Notes on Numerical Fluid Mechanics and Multidisciplinary Design
ISSN:1612-2909
ISBN:978-3-642-14242-0
Status:Published
Keywords:Turbulence modeling, differential Reynolds stress model
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Concepts & Integration
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > CASE
Deposited By: Dr.-Ing. Bernhard Eisfeld
Deposited On:25 Nov 2010 09:44
Last Modified:25 Nov 2010 09:44

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