Nassif, S. and Lüdeke, H. (2001) Investigation of Görtler Vortices on Hypersonic Ramp Configurations. DLR-Interner Bericht. 129-2001/3, 49 S.
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Subject of the present investigation is the numerical simulation of hypersonic flow in the region of the flaps of the NASA/ESA/DLR reentry vehicle X-38, using several ramp configurations at different flow conditions as a model of the flaps, with the help of the DLR CFD code CEVCATS-N. We will be interested in studying more closely the effects of Görtler vortices structures on several flow variables and parameters, in comparison with the DLR experiments carried out in the RWG, a Ludwieg tube facility for high speed and high Reynolds number flows. The investigated cases are the influence of mesh quality in a 2D case, the influence of the boundary conditions used in a 3D case, the effects of an infinite ramp in spanwise direction, and finally the influence of disturbances at the entry of the ramp.
|Document Type:||Monograph (DLR-Interner Bericht)|
|Title:||Investigation of Görtler Vortices on Hypersonic Ramp Configurations|
|Number of Pages:||49|
|Keywords:||Görtler vortices, hypersonic ramp, separated flow, X-38 flap, RWG|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W RP - Raumtransport|
|DLR - Research area:||Space|
|DLR - Program:||W RP - Raumtransport|
|DLR - Research theme (Project):||W - Grundlagen Raumtransport - Anlagen und Messtechnik (old)|
|Location:||Köln-Porz , Braunschweig , Göttingen|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology|
|Deposited By:||Claudia Grant|
|Deposited On:||31 Jan 2006|
|Last Modified:||14 Jan 2010 18:51|
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