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Hernandez, Ricardo and Heine, Benjamin and Schneider, Oliver and Chernukha, Polina and Raffel, Markus (2010) Visualization and Acquisition of Quantified Density Data of the Rotor Blade Tip Vortex. 17. DGLR-Fach-Symposium der STAB, 2010-11-09 - 2010-11-10, Berlin, Deutschland.
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Official URL: http://www.dlr.de/as/desktopdefault.aspx/tabid-652/1104_read-1678/
Abstract
In this paper, flow visualization of the blade vortices of four-bladed Mach-scaled rotor, as used in the ONERA-DLR ABC project (Active Blade Concept) in hover flight condition, were investigated experimentally by means of Background Oriented Schlieren method (BOS). For BOS setup, a high-speed camera with a resolution of 4 Mpx was used with pulsed LED-illumination in order to illuminate a reflective background. In addition, the influence of a flap mounted at the blade trailing edge, from 80% to 90% radius at different angles of deflections, on the density field of the blade tip vortex was studied. In order to compute the density field of the compressible vortex, tomographic reconstruction was applied to the BOS data.
| Item URL in elib: | https://elib.dlr.de/66305/ | ||||||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||||||||
| Title: | Visualization and Acquisition of Quantified Density Data of the Rotor Blade Tip Vortex | ||||||||||||||||||||||||
| Authors: |
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| Date: | November 2010 | ||||||||||||||||||||||||
| Refereed publication: | No | ||||||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||||||
| Volume: | STAB-M | ||||||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||||||
| Keywords: | BOS, Active Blade Concept, LED-illumination, tomographic reconstruction | ||||||||||||||||||||||||
| Event Title: | 17. DGLR-Fach-Symposium der STAB | ||||||||||||||||||||||||
| Event Location: | Berlin, Deutschland | ||||||||||||||||||||||||
| Event Type: | national Conference | ||||||||||||||||||||||||
| Event Start Date: | 9 November 2010 | ||||||||||||||||||||||||
| Event End Date: | 10 November 2010 | ||||||||||||||||||||||||
| Organizer: | DGLR | ||||||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||||||||||||||
| HGF - Program Themes: | Rotorcraft (old) | ||||||||||||||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||||||||||||||
| DLR - Program: | L RR - Rotorcraft Research | ||||||||||||||||||||||||
| DLR - Research theme (Project): | L - The Active Rotorcraft (old) | ||||||||||||||||||||||||
| Location: | Braunschweig , Göttingen | ||||||||||||||||||||||||
| Institutes and Institutions: | Institute of Flight Systems > Rotorcraft Institute for Aerodynamics and Flow Technology > Helicopter, GO | ||||||||||||||||||||||||
| Deposited By: | Winkels, Elisabeth | ||||||||||||||||||||||||
| Deposited On: | 23 Nov 2010 10:57 | ||||||||||||||||||||||||
| Last Modified: | 24 Apr 2024 19:31 |
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