Investigation of Unsteady Flow Fields in Wind Tunnels by Means of Particle Image Velocimetry
Kompenhans, J. and Raffel, M. and Willert, C. and Wiegel, M. and Kähler, C. and Schröder, A. and Bretthauer, B. and Vollmers, H. and Stasicki, B. (1997) Investigation of Unsteady Flow Fields in Wind Tunnels by Means of Particle Image Velocimetry. In: ERCOFTAC Buch: 3-D Velocity and Vorticity Measurement and Image Analysis 113-127. Kluwer Acad. Publ.. ISBN 0-7923-4256-9.
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Particle Image Velocimetry (PIV) is increasingly used to investigate unsteady velocity fields instantaneously. For the first time the PIV technique allows the recording of a complete velocity field in a plane of the flow within microseconds. PIV provides information aboutunsteady flow fields which is difficult to obtain with other experimental techniques. It 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 industrial wind tunnel. This system has been successfully applied to very low speed as well as to high speed flows(Uc. 600 m/s). The evaluation and post-processing of the PIV recordings run fully automated on a workstation.
|Document Type:||Contribution to a Collection|
|Title:||Investigation of Unsteady Flow Fields in Wind Tunnels by Means of Particle Image Velocimetry|
|Journal or Publication Title:||ERCOFTAC Buch: 3-D Velocity and Vorticity Measurement and Image Analysis|
|In ISI Web of Science:||No|
|Publisher:||Kluwer Acad. Publ.|
|Keywords:||Particle Image Velocimetry, Wind Tunnel, Flow Velocity Fields, Recording of PIV, Evaluation of PIV|
|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 10:08|
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