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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) | ||||||||||||||
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| Additional Information: | LIDO-Berichtsjahr=1996, | ||||||||||||||
| Title: | Comparison of Vortical Structures of a Helicopter Rotor Model Measured by LDV and PIV | ||||||||||||||
| Authors: |
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| 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 | ||||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||||
| HGF - Program Themes: | L - no assignement | ||||||||||||||
| 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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