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Flap Efficiency versus Flap Heating of a Winged Reentry Vehicle- A Challenge for the CFD-

Longo, J.M.A. (1994) Flap Efficiency versus Flap Heating of a Winged Reentry Vehicle- A Challenge for the CFD-. 19th ICAS Congress, 18.-23. September 1994, Anaheim/USA.

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Abstract

In the present study Navier-Stokes solutions are analyzed for a winged reentry vehicle at hypersonic free stream conditions corresponding to both, cold wind tunnel tests and a flight trajectory point. The flow was computed as laminar, assuming calorically perfect gas for the wind tunnel case. The high-temperature effects on thermodynamic and transport properties are modelled by assuming air in thermochemical equilibrium. Computations are presented for two types of control surfaces geometry: cambered and plain, for clean configurations and for configurations with deflected control surfaces. The accuracy of the computed solutions is addressed by grid refinement studies and by comparing numerical results with available experimental data. Also the importance of the viscous effects is shown by comparing the Navier-Stokes solutions with Euler solutions.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1994,
Title:Flap Efficiency versus Flap Heating of a Winged Reentry Vehicle- A Challenge for the CFD-
Authors:
AuthorsInstitution or Email of Authors
Longo, J.M.A.UNSPECIFIED
Date:1994
Volume:1
Page Range:pp. 388-397
Status:Published
Keywords:Hypersonic, Reentry, Control surface, Navier-Stokes
Event Title:19th ICAS Congress, 18.-23. September 1994, Anaheim/USA
HGF - Research field:UNSPECIFIED
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:UNSPECIFIED
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 > Institut für Entwurfsaerodynamik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:05

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