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Numerical Study of Four-Vortex Aircraft Wakes
Stumpf, E. (2002) Numerical Study of Four-Vortex Aircraft Wakes. 13. DGLR-Fachsymposium der AG STAB 2002, München (de), 12.-14.11.2002.
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Abstract
Instabilities evolving on simplified vortex wakes, built up by two pairs of counter-rotating vortices, are investigated numerically. Two configurations are considered: the first circulation and spacing ratio corresponding to a wide-body airliner in landing configuration and a modified set-up with a strong inner vortex pair. The investigation shows that a strong inner pair is necessary for the instability to cause a large increase of vortex radii of the outer vortex pair. This increase in turn leads to a rapid decay of rolling moment.
| Document Type: | Conference or Workshop Item (Speech) | ||||
|---|---|---|---|---|---|
| Additional Information: | LIDO-Berichtsjahr=2003, | ||||
| Title: | Numerical Study of Four-Vortex Aircraft Wakes | ||||
| Authors: |
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| Date: | 2002 | ||||
| Status: | Published | ||||
| Keywords: | wake vortex, instability 4-vortex system | ||||
| Event Title: | 13. DGLR-Fachsymposium der AG STAB 2002, München (de), 12.-14.11.2002 | ||||
| Organizer: | DGLR | ||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||
| HGF - Program: | Aeronautics | ||||
| HGF - Program Themes: | L VU - Air Traffic and Environment | ||||
| DLR - Research area: | Aeronautics | ||||
| DLR - Program: | L VU - Air Traffic and Environment | ||||
| DLR - Research theme (Project): | L - Low-Emission Air Traffic (old) | ||||
| Location: | Köln-Porz , Braunschweig , Göttingen | ||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology | ||||
| Deposited By: | Claudia Grant | ||||
| Deposited On: | 31 Jan 2006 | ||||
| Last Modified: | 14 Jan 2010 19:07 |
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