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Evaluation of a differential Reynolds stress model incorporating near-wall effects in a compressor cascade tip-leakage flow

Morsbach, Christian and Franke, Martin and di Mare, Francesca (2014) Evaluation of a differential Reynolds stress model incorporating near-wall effects in a compressor cascade tip-leakage flow. In: Proceedings of the ASME Turbo Expo. International Center for Numerical Methods in Engineering. 6th European Conference on Computational Fluid Dynamics (ECFD VI), 20.-25. Juli 2014, Barcelona, Spanien.

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Abstract

The tip-leakage ow of a low speed compressor cascade at Ma = 0.07 and Re = 400,000 was simulated employing the Jakirli�c/Hanjali�c-wh (JH-wh) differential Reynolds Stress model (DRSM) and results are presented. The predictions are compared with those obtained using the SSG/LRR-w DRSM and the Menter SST k-w linear eddy viscosity model (LEVM). In addition to the mean flow quantities, the focus is on the Reynolds stresses and their anisotropy. Both DRSMs show significant improvements compared to the LEVM with respect to the mean flow quantities; however, details of the turbulence structure are more accurately predicted by the JH-wh model.

Item URL in elib:https://elib.dlr.de/90147/
Document Type:Conference or Workshop Item (Speech)
Title:Evaluation of a differential Reynolds stress model incorporating near-wall effects in a compressor cascade tip-leakage flow
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Morsbach, ChristianDLR, Institute of Propulsion TechnologyUNSPECIFIED
Franke, MartinDLR, Institute of Propulsion TechnologyUNSPECIFIED
di Mare, FrancescaDLR, Institute of Propulsion TechnologyUNSPECIFIED
Date:July 2014
Journal or Publication Title:Proceedings of the ASME Turbo Expo
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Editors:
EditorsEmail
Onate, EugenioUniversitat Politecnica de Catalunya, Spain
Oliver, XavierUniversitat Politecnica de Catalunya, Spain
Huerta, AntonioUniversitat Politecnica de Catalunya, Spain
Publisher:International Center for Numerical Methods in Engineering
Status:Published
Keywords:Differential Reynolds Stress Model, Near-Wall Effects, Compressor Cascade, Turbulence Modelling
Event Title:6th European Conference on Computational Fluid Dynamics (ECFD VI)
Event Location:Barcelona, Spanien
Event Type:international Conference
Event Dates:20.-25. Juli 2014
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:propulsion systems
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Virtual Engine and Validation methods
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology > Numerical Methodes
Deposited By: Morsbach, Christian
Deposited On:11 Aug 2014 07:13
Last Modified:31 Jul 2019 19:47

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