|Title:||Refinement of a hybrid LES-URANS approach for non-equilibrium turbulent flows||Authors:||Breuer, Michael
|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||Abstract:||
© 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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