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Modifications of a Two-Equation Turbulence Model for Turbomachinery Fluid Flows

Kozulovic, D. and Röber, T. K. and Kügeler, E. and Nürnberger, D. (2004) Modifications of a Two-Equation Turbulence Model for Turbomachinery Fluid Flows. In: DGLR Jahrbuch, 1 und 2. DGLR. Deutscher Luft- und Raumfahrtkongress, Dresden, 20.09.2004.

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Abstract

An improvement of simulation quality of turbomachinery fluid flows has been achieved in upgrading the original k-w turbulence model by Wilcox. The modifications cover fixes for anomalous turbulent energy production and alterations to include the effects of compressibility and rotation. Furthermore, a block-local transition model which is based on experimental correlations has been implemented. Finally, the performance of modifications presented is demonstrated on turbomachinery flows which are relevant to applications in industrial aero design.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2005, monograph_id=DGLR-JT2004-229a,
Title:Modifications of a Two-Equation Turbulence Model for Turbomachinery Fluid Flows
Authors:
AuthorsInstitution or Email of Authors
Kozulovic, D.UNSPECIFIED
Röber, T. K.UNSPECIFIED
Kügeler, E.UNSPECIFIED
Nürnberger, D.UNSPECIFIED
Date:2004
Journal or Publication Title:DGLR Jahrbuch
Volume:1 und 2
Editors:
EditorsEmail
DGLR, UNSPECIFIED
Publisher:DGLR
Status:Published
Keywords:turbulence model, transition model
Event Title:Deutscher Luft- und Raumfahrtkongress, Dresden, 20.09.2004
Organizer:DGLR
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:no assignment
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology
Deposited By: Dragan Kozulovic
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 13:35

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