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Longo, J.M.A. and Herrmann, U. and Brück, S.* and Nickel, H. (1996) DLR Contribution to ESA X-CRV 90 Days Study. DLR-Interner Bericht. 129-96/37. 28 S.
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Abstract
The present report summarizes the DLR contribution to ESA X-CRV days study, WPs-1100, 2100 and 3100. Two flow conditions are considered, a Ma* = 10 cold wind tunnel flow - to be used for comparison with other contributors and a flight trajectory point at Ma* = 25, H = 75 Km. In both cases flow simulations without and with deflected body-flap are performed. The objective of the present study is the accurate prediction of the aerodynamics coefficient and heat fluxes, particular for the case with deflected control surface. The accuracy of the solutions are addressed by means of grid convergence studies. The influence of the flow model employed is investigated comparing Euler solutions with Navier-Stokes solutions in thermochemical equilibrium and non-equilibrium. Since most of the simulations are carried out neglecting the base flow and also with closed body-flap- slots, it is investigated the effects of these simplifications on the flow simulations.
| Item URL in elib: | https://elib.dlr.de/36417/ | ||||||||||||||||||||
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| Document Type: | Monograph (DLR-Interner Bericht) | ||||||||||||||||||||
| Additional Information: | LIDO-Berichtsjahr=1996, | ||||||||||||||||||||
| Title: | DLR Contribution to ESA X-CRV 90 Days Study | ||||||||||||||||||||
| Authors: |
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| Date: | 1996 | ||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||
| Number of Pages: | 28 | ||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||
| Keywords: | Reentry vehicle, numerical simulation, aerothermodynamics, Navier-Stokes, real gas effects | ||||||||||||||||||||
| 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: | DLR-Beauftragter, elib | ||||||||||||||||||||
| Deposited On: | 03 Apr 2006 | ||||||||||||||||||||
| Last Modified: | 27 Apr 2009 10:06 |
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