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On secondary destabilisation of an attachment line boundary layer in compressible flow

Theofilis, V. (1996) On secondary destabilisation of an attachment line boundary layer in compressible flow. In: Transitional Boundary Layers in Aeronautics, pp. 199-206. Elsevier Science Publishere, Amsterdam/The Netherlands. Transitional Boundary Layers in Aeronautics: State-of-the-Art and Future Directions of Research, Amsterdam, 6.-8. December 1995. ISBN 0-444-85812-1.

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Abstract

The generalised Hiemenz model is used to describe incompressible flow in the infinite swept attachment line boundary layer. This base flow is perturbed using local spatial LST and the resulting secondary instability problem is solved at high Reynolds numbers, extending earlier work. Issues raised by compressibility are discussed next; in the absence of a simplifying theoretical assumption, such as that of Görtler & Hämmerlin, we proceed to design a DNS in order to study the instability in question. The algorithm is outlined and first results on its successful application on a relevant compressible model problem are presented.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1999,
Title:On secondary destabilisation of an attachment line boundary layer in compressible flow
Authors:
AuthorsInstitution or Email of Authors
Theofilis, V.UNSPECIFIED
Date:1996
Journal or Publication Title:Transitional Boundary Layers in Aeronautics
Page Range:pp. 199-206
Editors:
EditorsEmail
Faculty of Aerospace Engineering, Delft University of TechnologyUNSPECIFIED
Publisher:Elsevier Science Publishere, Amsterdam/The Netherlands
ISBN:0-444-85812-1
Status:Published
Keywords:Attachment line, Boundary layer
Event Title:Transitional Boundary Layers in Aeronautics: State-of-the-Art and Future Directions of Research, Amsterdam, 6.-8. December 1995
Organizer:Royal Netherlands Academy of Arts and Science Colloquium
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L TG - Querschnittstechnologien
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 20:24

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