Title: Refinement of a hybrid LES-URANS approach for non-equilibrium turbulent flows
Authors: Breuer, Michael 
Schmidt, Stephan
Language: eng
Issue Date: 2012
Editors: Hanjalić, K.
Publisher: Begell House
Document Type: Conference Proceedings
Source: In: THMT 12 / Hanjalić, K.. - Begell House, 2012 . - 2012, insges. 12 S.
Published in (Book): Proceedings of the International Symposium on Turbulence, Heat and Mass Transfer
Conference: International Symposium on Turbulence, Heat and Mass Transfer 7 : THMT 12
© 2012 Begell House, Inc. The paper is concerned with a hybrid LES-URANS method. An explicit algebraic Reynolds stress model for the near-wall region is dynamically coupled with a one-equation subgrid-scale model for the outer LES region. Recently, the model for the dissipation close to the wall was refined by splitting the dissipation rate into a homogeneous and an inhomogeneous part and expressing both terms by exact formulations. The improved model is applied to different test cases including non-equilibrium turbulent flows with separations, e.g., the periodic hill flow and the flow in two 3-D diffusers.
Organization Units (connected with the publication): Strömungsmechanik 
ISBN: 978-1-56700-302-4
Publisher DOI: 10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.380
Appears in Collections:3 - Reported Publications

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