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Numerical Simulation for the CTV Capsule

Longo, J.M.A. and Giese, P. (1997) Numerical Simulation for the CTV Capsule. DLR-Interner Bericht. 129-97/16. 32 S.

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This report presents numerical results for two points of the reentry trajectory of the capsule concept for the European "Crew Transport Vehicle" (CTV). The computations are performed with the DLR CEVCATS code, solving the full Navier-Stokes equations for laminar and turbulent hypersonic flows in thermochemical equilibrium. Furthermore, for the laminar case the hypothesis of perfect gas is also considered. The emphasis of the study is put on the validation of the computed results. The numerical accuracy is addressed throughout gird density studies. While for the flow topology no grid independent solutions are achieved due to large areas of separated flow which varies from grid to grid, for all test cases grid convergence is clearly demonstrated. Indeed, when varying the grid density most of the test cases shown maximum differences on aerodynamic coefficients of about 2% and on peak heating of 15%.

Item URL in elib:https://elib.dlr.de/36594/
Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1997,
Title:Numerical Simulation for the CTV Capsule
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Journal or Publication Title:(HV-TN-8-10104-DLR)
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Number of Pages:32
Keywords:Reentry vehicle, capsule aerothermodynamics, numerical simulation, hypersonic flows, laminar and turbulent flows
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 - Zukünftige Raumtransporter - Entwurf und Simulationsmethoden für Raumtransporter (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: DLR-Beauftragter, elib
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:06

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