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Numerical Study of Four-Vortex Aircraft Wakes
Stumpf, E. (2004) Numerical Study of Four-Vortex Aircraft Wakes. In: New Results in Numerical and Experimental Fluid Mechanics IV, Vol. 87, pp. 10-17. Springer Verlag, Berlin, Heidelberg, New York. 13th STAB/DGLR Symposium, München (de), 12.-14.11.2002. ISBN 3-540-20258-7.
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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 in 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 (Paper) | ||||||||
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| Additional Information: | LIDO-Berichtsjahr=2004, | ||||||||
| Title: | Numerical Study of Four-Vortex Aircraft Wakes | ||||||||
| Authors: |
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| Date: | 2004 | ||||||||
| Journal or Publication Title: | New Results in Numerical and Experimental Fluid Mechanics IV | ||||||||
| Volume: | Vol. 87 | ||||||||
| Page Range: | pp. 10-17 | ||||||||
| Editors: |
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| Publisher: | Springer Verlag, Berlin, Heidelberg, New York | ||||||||
| Series Name: | Notes on Numerical Fluid Mechanics and Multidisciplinary Design | ||||||||
| ISBN: | 3-540-20258-7 | ||||||||
| Status: | Published | ||||||||
| Keywords: | Wake vortex, instability, 4-vortex system | ||||||||
| Event Title: | 13th STAB/DGLR Symposium, München (de), 12.-14.11.2002 | ||||||||
| 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 19:27 |
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