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Anwendung einer neuen Erweiterung für k-ω-Turbulenzmodelle zur Berücksichtigung von Wandrauhigkeit auf Strömungen mit Ablösung

Eisfeld, Bernhard and Knopp, Tobias and Calvo, Javier Bartolome (2008) Anwendung einer neuen Erweiterung für k-ω-Turbulenzmodelle zur Berücksichtigung von Wandrauhigkeit auf Strömungen mit Ablösung. 16. DGLR/STAB-Symposium, 2008-11-03 - 2008-11-04, Aachen. (Unpublished)

Full text not available from this repository.

Abstract

The roughness extension of Knopp, Eisfeld and Calvo (2009) for k-ω type turbulence models has been applied to the flow through rough pipes, over a flat plate and around the NACA 65<sub>2</sub>-215 airfoil with a rough surface. The results are compared to predictions using the boundary condition originally devised by Wilcox (1988) for rough surfaces, and to predictions with the Spalart-Allmaras model with the Boeing roughness extension by Aupoix and Spalart (2003). Good agreement with experiments has been achieved with respect to the influence of the roughness on the velocity profile, the skin friction coefficient and the loss in lift.

Item URL in elib:https://elib.dlr.de/57117/
Document Type:Conference or Workshop Item (Speech)
Additional Information:Nur Vortrag, Veröffentlichung im Konferenzband erfolgt getrennt
Title:Anwendung einer neuen Erweiterung für k-ω-Turbulenzmodelle zur Berücksichtigung von Wandrauhigkeit auf Strömungen mit Ablösung
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Eisfeld, BernhardUNSPECIFIEDUNSPECIFIED
Knopp, TobiasUNSPECIFIEDUNSPECIFIED
Calvo, Javier BartolomeUNSPECIFIEDUNSPECIFIED
Date:3 November 2008
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Unpublished
Keywords:Turbulence modeling, RANS, roughness, k-omega models
Event Title:16. DGLR/STAB-Symposium
Event Location:Aachen
Event Type:national Conference
Event Dates:2008-11-03 - 2008-11-04
Organizer:DGLR/STAB
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Concepts & Integration (old)
Location: Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > CASE
Deposited By: Eisfeld, Dr.-Ing. Bernhard
Deposited On:06 Jan 2009
Last Modified:27 Apr 2009 15:40

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