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Experimental and Numerical Analysis of a Blunt Body Configuration in T5 and HEG

Bellucci, V.(1) and Uede, A. and Eitelberg, G. and Mylaert, J.(2) (1995) Experimental and Numerical Analysis of a Blunt Body Configuration in T5 and HEG. In: Proceedings of the Second European Symposium on Aerothermodynamics for Space Vehicles, held in ESTEC, Noordwijk/The Netherlands, 21.-25. Nov. 1994. ESA SP-367, ISBN 92-9092-310-5, Febr. 1995, S. 497-502, pp. 497-502. ESA 1995.

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Abstract

This paper deals with the experimental and numerical analysis of a blunt cone wind tunnel model which is a scaled down version of a flight model referred to as ELECTRE. The model length is 333 mm, 1/6 of the flight model. The experiments were performed in the T5 and in the HEG, which are both free piston driven shock tunels operating in the reflected mode. Four test conditions, four reservoirenthalpies and four reservoir pressures were selected based on calibration shots used for the HEG; for the T5, six test conditions consisting of two reservoir enthalpies, two reservoir pressure and three nozzle throat diameters. A comparison is included using a non equilibrium Navier Stokes code. The trends observed in the experimental results seems to agree quite well with results of the numerical simulations which were performed with catalytic and noncatalytic conditions. Better knowledge of free stream conditions is however necessary to improve agreement; in particular the inclusion of the non-uniform free stream density is essential to accurately reproduce the experimental data.

Document Type:Conference or Workshop Item (Paper)
Additional Information: institution=ESA, INRIA, GAMNI/SMAI, LIDO-Berichtsjahr=1995,
Title:Experimental and Numerical Analysis of a Blunt Body Configuration in T5 and HEG
Authors:
AuthorsInstitution or Email of Authors
Bellucci, V.(1)UNSPECIFIED
Uede, A.UNSPECIFIED
Eitelberg, G.UNSPECIFIED
Mylaert, J.(2)UNSPECIFIED
Date:1995
Journal or Publication Title:Proceedings of the Second European Symposium on Aerothermodynamics for Space Vehicles, held in ESTEC, Noordwijk/The Netherlands, 21.-25. Nov. 1994. ESA SP-367, ISBN 92-9092-310-5, Febr. 1995, S. 497-502
Page Range:pp. 497-502
Publisher:ESA 1995
Series Name:ESA SP-367
Status:Published
Keywords:Free piston shock tunnel; High enthalpy; Free stream; Navier Stokes; Heat transfer; Pressure, Blunt cone
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):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik > Institut für Experimentelle Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:08

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