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Knipfer, A. and Schewe, G. (1999) Investigations of an Oscillating Supercritical 2D Wing Section in a Transonic Flow. 37th Aerospace Sciences Meeting & Exhibit, Reno (Nevada), January 11-14, 1999.
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Abstract
This paper reports about our experimental and numerical investigations of forced and self-sustained oscillations of a supercritical airfoil section in transonic flow. Heave and pitch motion were examined. The unsteady pressure distributions were recorded and for some cases compared with Navier-Stokes simulations; the agreement was good below the buffet limit. In addition, the results of direct flutter experiments and a calculation in the frequency were compared; the descending branch of the "Transonic Dip" could be reproduced well. Another important result was, that all transonic flutter cases ended in limit cycle oscillations.
| Item URL in elib: | https://elib.dlr.de/14205/ | |||||||||
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| Document Type: | Conference or Workshop Item (Paper) | |||||||||
| Additional Information: | LIDO-Berichtsjahr=2000, | |||||||||
| Title: | Investigations of an Oscillating Supercritical 2D Wing Section in a Transonic Flow | |||||||||
| Authors: |
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| Date: | 1999 | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | No | |||||||||
| In ISI Web of Science: | No | |||||||||
| Editors: |
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| Status: | Published | |||||||||
| Keywords: | AIAA 99-0653, oscillating wing, unsteady aerodynamics, transonic flutter, nonlinear effects, limit cycle oscillations | |||||||||
| Event Title: | 37th Aerospace Sciences Meeting & Exhibit, Reno (Nevada), January 11-14, 1999 | |||||||||
| Organizer: | American Institute of Aeronautics and Astronautics (AIAA) | |||||||||
| HGF - Research field: | Aeronautics, Space and Transport (old) | |||||||||
| HGF - Program: | Aeronautics | |||||||||
| HGF - Program Themes: | other | |||||||||
| DLR - Research area: | Aeronautics | |||||||||
| DLR - Program: | L ST - Starrflüglertechnologien | |||||||||
| DLR - Research theme (Project): | UNSPECIFIED | |||||||||
| Location: | Göttingen | |||||||||
| Institutes and Institutions: | Institute of Aeroelasticity | |||||||||
| Deposited By: | Erdmann, Daniela | |||||||||
| Deposited On: | 16 Sep 2005 | |||||||||
| Last Modified: | 14 Jan 2010 21:33 |
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