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Investigation of super-structures in a turbulent boundary layer flow under the influence of an adverse pressure gradient at Reθ up to 10000 using large-scale PIV

Schanz, Daniel and Knopp, Tobias and Schröder, Andreas and Dumitra, Michnea and Kähler, Christian (2012) Investigation of super-structures in a turbulent boundary layer flow under the influence of an adverse pressure gradient at Reθ up to 10000 using large-scale PIV. 18. DGLR-Fach-Symposium der STAB, 06. - 07. Nov. 2012, Stuttgart, Deutschland.

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Official URL: http://www.dlr.de/as/desktopdefault.aspx/tabid-652/1104_read-1678/

Abstract

Flow separation of turbulent boundary layer flow on a smooth surface due to an adverse pressure gradient is still an open issue. One major reason for this is that for turbulent boundary layer flows at a strong adverse pressure gradient, the description of the mean flow using wall-laws, the characterization of the Reynolds stresses and the mechanisms of momentum exchange in terms of coherent structures (hairpin-hypothesis, sweepstreak-interaction, super-structures) are still unresolved problems, see.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Investigation of super-structures in a turbulent boundary layer flow under the influence of an adverse pressure gradient at Reθ up to 10000 using large-scale PIV
Authors:
AuthorsInstitution or Email of Authors
Schanz, DanielUNSPECIFIED
Knopp, TobiasUNSPECIFIED
Schröder, AndreasUNSPECIFIED
Dumitra, MichneaUniBw München
Kähler, ChristianUniBw München
Date:2012
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Volume:Jahresbericht 2012
Page Range:pp. 64-65
Series Name:STAB-Mitteilung
Status:Published
Keywords:turbulent boundary layer, DLR TAU-code, long-range-microscope PIV
Event Title:18. DGLR-Fach-Symposium der STAB
Event Location:Stuttgart, Deutschland
Event Type:national Conference
Event Dates:06. - 07. Nov. 2012
Organizer:Die Deutsche Strömungsmechanische Arbeitsgemeinschaft, STAB
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation & Validation
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Institute of Aerodynamics and Flow Technology > C²A²S²E - Center for Computer Applications in AeroSpace Science and Engineering
Deposited By: Ilka Micknaus
Deposited On:13 Nov 2012 12:28
Last Modified:13 Nov 2012 12:28

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