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Aerodynamic Investigations in Low and High Speed Wind Tunnels by means of Particle Image Velocimetry

Kompenhans, J. and Raffel, M. and Vogt, A. and Fischer, M. (1993) Aerodynamic Investigations in Low and High Speed Wind Tunnels by means of Particle Image Velocimetry. In: ICIASF '93. ICIASF '93, 15th International Congress on Instrumentation in Aerospace Simulation Facilities, Saint-Louis (France) 20.-23.9.93.

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Abstract

Particle Image Velocimetry (PIV) is increasingly used to investigate unsteady velocity fields instantencously. For the first time the PIV technique allows the recording of a complete velocity field in a plane of the flow within microseconds. This does not only give information about unsteady flow fields otherwise not obtainable but also helps to save operational time in the wind tunnel. At DLR a set up for PIV has been developed which can be operated under the rough environmental conditions (noise, vibrations) of a large wind tunnel. This system has been successfully applied to low speed as well as to high speed flows (U = 10. 500 m/s). The evaluation and post processing of the PIV recordings run fully automatical on a workstation.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1993,
Title:Aerodynamic Investigations in Low and High Speed Wind Tunnels by means of Particle Image Velocimetry
Authors:
AuthorsInstitution or Email of Authors
Kompenhans, J.UNSPECIFIED
Raffel, M.UNSPECIFIED
Vogt, A.UNSPECIFIED
Fischer, M.UNSPECIFIED
Date:1993
Journal or Publication Title:ICIASF '93
Status:Published
Keywords:PIV, grid turbulence, boundary layer instabilities, transonic flow, NACA 0012 airfoil
Event Title:ICIASF '93, 15th International Congress on Instrumentation in Aerospace Simulation Facilities, Saint-Louis (France) 20.-23.9.93
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L SI - Versuchs- und Simulationstechniken
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: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:07

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