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Application of Particle Image Velocimetry in Wind Tunnels

Kompenhans, J. (1993) Application of Particle Image Velocimetry in Wind Tunnels. DNW-Colloquium, Febr. 4, 1993.

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Abstract

Particle Image Velocimetry (PIV) is increasingly used to investigate unsteady velocity fields instanteneously. 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 condition (noise, vibrations) of a large wind tunnel. This system has been successfullyapplied to lwo-speed as well as to high-speed flow (U &#61 10. 500 m/s). The evaluation and post processing of the PIV recordings run fully automatically on a workstation.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=1993,
Title:Application of Particle Image Velocimetry in Wind Tunnels
Authors:
AuthorsInstitution or Email of Authors
Kompenhans, J.UNSPECIFIED
Date:1993
Status:Published
Keywords:PIV, transonic flows, HKG
Event Title:DNW-Colloquium, Febr. 4, 1993
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
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: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:07

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