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Investigation of Görtler Vortices on Hypersonic Ramp Configurations

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.

Item URL in elib:https://elib.dlr.de/12358/
Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=2002,
Title:Investigation of Görtler Vortices on Hypersonic Ramp Configurations
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
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: Grant, Claudia
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 18:51

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