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Gerz, Thomas and Baumann, Robert (2005) Decay characteristics of single and double wake-vortex pairs in different atmospheric flow realisations. WakeNet2-Europe WG7 Workshop "Principles of Wake Vortex Alleviation Devices", 2005-02-09 - 2005-02-10, ONERA, Toulouse (F).
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Abstract
Results of Large Eddy Simulation (LES) studies on the decay of aircraft wake vortices in real atmospheric turbulence conditions are presented. The work is conducted in the framework of projects AWIATOR, C-Wake and Wirbelschleppe. LIDAR measurements of wake vortices in different turbulence regimes of the atmospheric boundary layer are compared to LES data. The impact of atmosphere versus configurational differences on vortex decay is analysed. Moreover, the role of the turbulence shed by wing, flaps, jets, and fuselage of the aircraft itself is discussed and compared to different atmospheric background levels of turbulence. Further, the question of robustness of generic alleviation measures in different atmospheric flow regimes is raised.
| Item URL in elib: | https://elib.dlr.de/20436/ | |||||||||
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| Document Type: | Conference or Workshop Item (Speech) | |||||||||
| Title: | Decay characteristics of single and double wake-vortex pairs in different atmospheric flow realisations | |||||||||
| Authors: |
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| Date: | 9 February 2005 | |||||||||
| Refereed publication: | No | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | No | |||||||||
| In ISI Web of Science: | No | |||||||||
| Status: | Published | |||||||||
| Keywords: | Large-Eddy-Simulation, LIDAR, robustness of alleviation, turbulence, vortex circulation, AWIATOR, C-Wake, Wirbelschleppe | |||||||||
| Event Title: | WakeNet2-Europe WG7 Workshop "Principles of Wake Vortex Alleviation Devices" | |||||||||
| Event Location: | ONERA, Toulouse (F) | |||||||||
| Event Type: | international Conference | |||||||||
| Event Dates: | 2005-02-09 - 2005-02-10 | |||||||||
| Organizer: | ONERA / WakeNet2-Europe | |||||||||
| HGF - Research field: | Aeronautics, Space and Transport | |||||||||
| HGF - Program: | Aeronautics | |||||||||
| HGF - Program Themes: | L VU - Air Traffic and Environment (old) | |||||||||
| DLR - Research area: | Aeronautics | |||||||||
| DLR - Program: | L VU - Air Traffic and Environment | |||||||||
| DLR - Research theme (Project): | L - Wake Vortices (old) | |||||||||
| Location: | Oberpfaffenhofen | |||||||||
| Institutes and Institutions: | Institute of Atmospheric Physics | |||||||||
| Deposited By: | Baumann, Robert | |||||||||
| Deposited On: | 16 Jan 2006 | |||||||||
| Last Modified: | 20 Apr 2016 11:14 |
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