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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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)|
|Title:||Aerodynamic Investigations in Low and High Speed Wind Tunnels by means of Particle Image Velocimetry|
|Journal or Publication Title:||ICIASF '93|
|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|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L - no assignement|
|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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