Seelhorst, U. (1994) 3 Component Laser-Doppler-Velocimetry applied in DNW. EURO MECH 309 "OPTICAL FLOW DIAGNOSTICS.
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Abstract
Within the scope of a co-operative programm(1) between DLR and US Air Force and the DLR programme cp-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 testsin 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 350mm aperture reveiving optics. By the new set-up it was possible to obtain high qualitiy data although the total laser power does not exceed 3 Watts.
Item URL in elib: | https://elib.dlr.de/37124/ | ||||||
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Document Type: | Conference or Workshop Item (Speech) | ||||||
Additional Information: | LIDO-Berichtsjahr=1994, | ||||||
Title: | 3 Component Laser-Doppler-Velocimetry applied in DNW | ||||||
Authors: |
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Date: | 1994 | ||||||
Open Access: | No | ||||||
Gold Open Access: | No | ||||||
In SCOPUS: | No | ||||||
In ISI Web of Science: | No | ||||||
Status: | Published | ||||||
Keywords: | 3 Komponenten Laser-Doppler-Anemometer, Positionserfassung, instationaere Stroemung, Hubschrauberrotor, Deutsch-Niederlaendischer Windkanal, DNW, Seeding | ||||||
Event Title: | EURO MECH 309 "OPTICAL FLOW DIAGNOSTICS | ||||||
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: | DLR-Beauftragter, elib | ||||||
Deposited On: | 03 Apr 2006 | ||||||
Last Modified: | 27 Apr 2009 10:07 |
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