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Combined PIV and visualization experiments on instabilities in a flat plate boundary layer with zero pressure gradient

Fischer, M. and Raffel, M. and Vogt, A. and Kompenhans, J. (1993) Combined PIV and visualization experiments on instabilities in a flat plate boundary layer with zero pressure gradient. In: Proceedings, Konferenz: Optical Diagnostics in Fluid and Thermal Flow, San Diego, USA, 14.-16.7.1993, pp. 448-456. Society of Photo-Optical Instrumentation Engineers, Box 10, Bellingham, Washington 98227, USA.

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Abstract

Quantitative and visual data of artificially forced instabilities have been acquired in a flat plate boundary layer in air. For the first time the Particle Image Velocimetry (PIV) allows the recording of a complete velocity field instantaneously. With this technique quantitative data have been obtained within the boundary layer also very close to the wall. By using a light sheet technique it was possible furthermore to obtain visual data. Reproducible and constant conditions in the development of the instabilities are achieved by forcing the boundary layer with well controlled distrubances. These disturbances are generated with an arrangement for acoustic excitation.

Item URL in elib:https://elib.dlr.de/37103/
Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1993, pages=9,
Title:Combined PIV and visualization experiments on instabilities in a flat plate boundary layer with zero pressure gradient
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Fischer, M.UNSPECIFIEDUNSPECIFIED
Raffel, M.UNSPECIFIEDUNSPECIFIED
Vogt, A.UNSPECIFIEDUNSPECIFIED
Kompenhans, J.UNSPECIFIEDUNSPECIFIED
Date:1993
Journal or Publication Title:Proceedings, Konferenz: Optical Diagnostics in Fluid and Thermal Flow, San Diego, USA, 14.-16.7.1993
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 448-456
Publisher:Society of Photo-Optical Instrumentation Engineers, Box 10, Bellingham, Washington 98227, USA
Status:Published
Keywords:Boundary layer instabilties, laminar-turbulent transition, fundamental and subharmonic type, artifical excitation, Particle Image Velocimetry, flow visualization
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:L TG - Querschnittstechnologien
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik > Institut für Experimentelle Strömungsmechanik
Deposited By: DLR-Beauftragter, elib
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:07

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