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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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)|
|Title:||On secondary destabilisation of an attachment line boundary layer in compressible flow|
|Journal or Publication Title:||Transitional Boundary Layers in Aeronautics|
|Page Range:||pp. 199-206|
|Publisher:||Elsevier Science Publishere, Amsterdam/The Netherlands|
|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|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L - no assignement|
|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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