Kompenhans, J. and Raffel, M. (1993) Application of PIV technique to transonic flows in a blow-down wind tunnel. In: Optical Diagnostics in Fluid and Thermal Flow, 2005, pp. 425-436. SPIE's 1993 International Symposium on Optics, Imaging and Instrumentation, San Diego (USA) 11.-16.7.1993.
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Abstract
Particle Image Velocimetry (PIV) is increasingly used to investigate unsteady velocity fields instantaneously. At DLR an experimental setup for PIV has been developed which can be operated in transonic flows under the rough environmental conditions (noise, vibrations) of a large high speed wind tunnel. This PIV-system has been successfullyapplied to flow field measurements in the velocity range from U = 10 to 500 m/s. The evaluation and post processing of the PIV recordings runs fully automatical on a workstation. Two different aerodynamic investigations of instantaneous transonic flow fields around a bluff cylinder and around a NACA 0012 airfoil have been performed in a blow-down wind tunnel. The experience gained during these experiments and some technical improvements of the PIV technique which are necessary to enable its application in transonic flows are described.
Item URL in elib: | https://elib.dlr.de/37090/ | ||||||||||||
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Document Type: | Conference or Workshop Item (Paper) | ||||||||||||
Additional Information: | LIDO-Berichtsjahr=1993, | ||||||||||||
Title: | Application of PIV technique to transonic flows in a blow-down wind tunnel | ||||||||||||
Authors: |
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Date: | 1993 | ||||||||||||
Journal or Publication Title: | Optical Diagnostics in Fluid and Thermal Flow | ||||||||||||
Open Access: | No | ||||||||||||
Gold Open Access: | No | ||||||||||||
In SCOPUS: | No | ||||||||||||
In ISI Web of Science: | No | ||||||||||||
Volume: | 2005 | ||||||||||||
Page Range: | pp. 425-436 | ||||||||||||
Status: | Published | ||||||||||||
Keywords: | PIV System, Industrial wind tunnels, tracer particles, illuminated, recorded, evaluation, post processing system | ||||||||||||
Event Title: | SPIE's 1993 International Symposium on Optics, Imaging and Instrumentation, San Diego (USA) 11.-16.7.1993 | ||||||||||||
HGF - Research field: | Aeronautics, Space and Transport (old) | ||||||||||||
HGF - Program: | Aeronautics | ||||||||||||
HGF - Program Themes: | other | ||||||||||||
DLR - Research area: | Aeronautics | ||||||||||||
DLR - Program: | L DT - Drehflüglertechnologien | ||||||||||||
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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