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Comparison of Vortical Structures of a Helicopter Rotor Model Measured by LDV and PIV

Seelhorst, U. and Raffel, M. and Willert, C. and Vollmers, H. and Bütefisch, K.-A. and Kompenhans, J. (1996) Comparison of Vortical Structures of a Helicopter Rotor Model Measured by LDV and PIV. In: Proc. of the 22nd European Rotorcraft Forum, Brighton, UK, 17.-19.09.96.

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Abstract

Flow field measurements of the blade tip vortices at a rotating helicopter rotor model were performed by three component laser-Doppler velocimetry (3D-LDV) and conventional (two component) particle image velocimetry (PIV). The results are in good correspondence in general, but alo illustrate the different properties of both techniques, such as the three-dimensional measurement capability of LDV and the unsteadyness of the flow captured by the PIV method.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1996,
Title:Comparison of Vortical Structures of a Helicopter Rotor Model Measured by LDV and PIV
Authors:
AuthorsInstitution or Email of Authors
Seelhorst, U.UNSPECIFIED
Raffel, M.UNSPECIFIED
Willert, C.UNSPECIFIED
Vollmers, H.UNSPECIFIED
Bütefisch, K.-A.UNSPECIFIED
Kompenhans, J.UNSPECIFIED
Date:1996
Journal or Publication Title:Proc. of the 22nd European Rotorcraft Forum, Brighton, UK, 17.-19.09.96
Status:Published
Keywords:Laser-Doppler-Velocimeter, Particle Image Velocimetry, Blade-Vortex Interaction, Vortex Structure, Helicopter
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
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 10:08

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