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"Three Component Laser-Doppler-Velocimeter Development for Large Wind Tunnel"

Seelhorst, U. and Bütefisch, K.A. and Sauerland, K.H. (1993) "Three Component Laser-Doppler-Velocimeter Development for Large Wind Tunnel". In: ICIASF 1993 RECORD.

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Within the scope of a co-operative programme between DLR and US Air Force and the DLr programme co-rot a three component laser- Doppler-velocimeter together with a position monitoring system has to be developed in order to determine the unsteady flow field around a rotating helicopter rotor blade. Most of these measurements have to be performed in the DNW (Deutsch-Niederlaendischer Windkanal.The Netherlands), a large wind tunnel with an open test section of 6m-8m. Experiences from previous tests in the DNW on the same helicopter rotor blade with different LDV set-ups were gained and finally led to a 3 component LDV with a working distance of 5m and a 350 mmaperture receiving optics. By the new set-up it was possible to obtain high quality data although the total laser power does not exceed 3 Watts.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1993,
Title:"Three Component Laser-Doppler-Velocimeter Development for Large Wind Tunnel"
AuthorsInstitution or Email of Authors
Journal or Publication Title:ICIASF 1993 RECORD
Keywords:Three-Component Laser-Doppler-Velocimeter, Position monitoring system, unsteady flow-field, helicopter rotor, DNW
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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