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Raffel, Markus (2014) Investigations of helicopter rotor blade tip vortices in wind tunnels and in flight. 5th International and 41st National Conference on Fluid Mechanics and Fluid Power, 12. - 14. Dec. 2014, Kanpur, India.
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Official URL: http://www.iitk.ac.in/fmfp14/detail.html
Abstract
The advancement of measurement systems and technology keeps pushing experimental aerodynamics, which is particularly apparent for the application of particle image velocimetry (PIV) and background oriented schlieren (BOS) techniques in helicopter aerodynamics. Unsteady and complex features of helicopter flows present a vast number of specific challenges to experimentalists, including transonic flow, concentrated vortices and dynamic stall. To illustrate the impact of the technological advancements on the way helicopter aerodynamics is studied today, some recent PIV applications will be described, using the examples of blade tip vortex investigations. The potential of combining PIV with complementary optical measurement techniques will be outlined considering large and full scale applications. Based on some recent trends, a glimpse into the future of PIV in helicopter aerodynamics will be ventured to complete the picture.
| Item URL in elib: | https://elib.dlr.de/92185/ | ||||||
|---|---|---|---|---|---|---|---|
| Document Type: | Conference or Workshop Item (Speech) | ||||||
| Title: | Investigations of helicopter rotor blade tip vortices in wind tunnels and in flight | ||||||
| Authors: |
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| Date: | 2014 | ||||||
| Refereed publication: | Yes | ||||||
| Open Access: | No | ||||||
| Gold Open Access: | No | ||||||
| In SCOPUS: | No | ||||||
| In ISI Web of Science: | No | ||||||
| Series Name: | Conference Proceedings on CD-ROM | ||||||
| Status: | Published | ||||||
| Keywords: | helicopter, PIV, BOS | ||||||
| Event Title: | 5th International and 41st National Conference on Fluid Mechanics and Fluid Power | ||||||
| Event Location: | Kanpur, India | ||||||
| Event Type: | international Conference | ||||||
| Event Dates: | 12. - 14. Dec. 2014 | ||||||
| Organizer: | Indian Institute of Technology Kanpur, Kanpur (UP) 208016 India | ||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||
| HGF - Program: | Aeronautics | ||||||
| HGF - Program Themes: | rotorcraft | ||||||
| DLR - Research area: | Aeronautics | ||||||
| DLR - Program: | L RR - Rotorcraft Research | ||||||
| DLR - Research theme (Project): | L - The Virtual Aerodynamic Rotorcraft (old) | ||||||
| Location: | Göttingen | ||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Helicopters | ||||||
| Deposited By: | Micknaus, Ilka | ||||||
| Deposited On: | 17 Dec 2014 14:57 | ||||||
| Last Modified: | 17 Dec 2014 14:57 |
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