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Identification and Analysis of Nonlinear Transition Scenarios using NOLOT/PSE
Hein, S. and Stolte, A. and Dallmann, U.Ch. (1999) Identification and Analysis of Nonlinear Transition Scenarios using NOLOT/PSE. In: GAMM 1998, I, pp. 109-112. GAMM Jahrestagung, Bremen, 06.-09. April 1998. ISBN 0946-8463.
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Abstract
Laminar-turbulent transition of quasi-three-dimensional boundary-layer flows is investigated by nonlinear nonlocal instability theory based on parabolized stability equations (PSE). A strong TS-CF interaction scenario is described, which leads to a rapid rise in skin-friction coefficient indicating imminent breakdown of the laminar flow. The CF-CF interaction studies reproduce amplitude saturation observed in experiment, but do not provide an explanation for the final breakdown in crossflow-dominated boundary layers yet.
| Document Type: | Conference or Workshop Item (Paper) | ||||||||
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| Additional Information: | LIDO-Berichtsjahr=1999, | ||||||||
| Title: | Identification and Analysis of Nonlinear Transition Scenarios using NOLOT/PSE | ||||||||
| Authors: |
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| Date: | 1999 | ||||||||
| Journal or Publication Title: | GAMM 1998 | ||||||||
| Volume: | I | ||||||||
| Page Range: | pp. 109-112 | ||||||||
| Editors: |
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| Series Name: | ZAMM - Z. angew. Math. Mech., Vol. 79 | ||||||||
| ISBN: | 0946-8463 | ||||||||
| Status: | Published | ||||||||
| Keywords: | three-dimensional boundary layer, laminar-turbulent transition, transonic swept wing, ATTAS, Fokker 100, NOLOT/PSE, crossflow instability, Tollmien-Schlichting instability, nonlinear interaction, transition scenarioas | ||||||||
| Event Title: | GAMM Jahrestagung, Bremen, 06.-09. April 1998 | ||||||||
| Organizer: | GAMM | ||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||
| HGF - Program: | Aeronautics | ||||||||
| HGF - Program Themes: | L - no assignement | ||||||||
| DLR - Research area: | Aeronautics | ||||||||
| DLR - Program: | L ST - Starrflüglertechnologien | ||||||||
| DLR - Research theme (Project): | UNSPECIFIED | ||||||||
| Location: | Köln-Porz , Braunschweig , Göttingen | ||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik | ||||||||
| Deposited By: | elib DLR-Beauftragter | ||||||||
| Deposited On: | 16 Sep 2005 | ||||||||
| Last Modified: | 14 Jan 2010 20:26 |
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