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.
Item URL in elib: | https://elib.dlr.de/12761/ | ||||||||||||||||
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Document Type: | Conference or Workshop Item (Paper) | ||||||||||||||||
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 | ||||||||||||||||
Open Access: | No | ||||||||||||||||
Gold Open Access: | No | ||||||||||||||||
In SCOPUS: | No | ||||||||||||||||
In ISI Web of Science: | No | ||||||||||||||||
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 (old) | ||||||||||||||||
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 - Low-Emission Air Traffic (old) | ||||||||||||||||
Location: | Köln-Porz , Braunschweig , Göttingen | ||||||||||||||||
Institutes and Institutions: | Institute of Aerodynamics and Flow Technology | ||||||||||||||||
Deposited By: | Grant, Claudia | ||||||||||||||||
Deposited On: | 31 Jan 2006 | ||||||||||||||||
Last Modified: | 14 Jan 2010 19:27 |
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