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Experimental Investigation of Shock-on-Shock Interactions in the High-Enthalpy Shock Tunnel Goettingen (HEG)

Kortz, S. and McIntyre, T.J.(1) and Eitelberg, G. (1995) Experimental Investigation of Shock-on-Shock Interactions in the High-Enthalpy Shock Tunnel Goettingen (HEG). In: Shock Waves, Marseille, I: Hypersonics, Shock Tube and Shock Tunnel Flow, Proceedings, Marseille/France 1993 ISBN 3-540-57710-6 Springer-Verlag Berlin Heidelberg New York ISBN 0-387-57710-6 Springer-Verlag New York Berlin Heidelberg, I, pp. 75-80. Springer-Verlag Berlin Heidelberg 1995.

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Abstract

The outcome of an experimental investigation of shock-on-shock interactions, created when an oblique shock impinges on a bow shock fromed in front of a circular cylinder in a high enthaply flow of 20 MJ/kg is presented. This interaction is know as the Edney type of interaction. The current study concentrated on Edney types II and IV, where the real gas dissociation effect results in the bow shock being much closer to the cylinder than in case of a perfect gas at the same incident flow Mach number. Flowfield pictures as well as pressure and heat transfer distributions on the cylinder are shown. The jet flow behind the bow shock, typical for the type IV interaction, was not observed and the peak pressure and heat loads are much less severe than was expected from the previous ideal gas investigations. Under the investigated flow conditions, the tpye III interaction can lead to heat transfer and pressure loads as high as those observed for the type IV interaction.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1995,
Title:Experimental Investigation of Shock-on-Shock Interactions in the High-Enthalpy Shock Tunnel Goettingen (HEG)
Authors:
AuthorsInstitution or Email of Authors
Kortz, S.UNSPECIFIED
McIntyre, T.J.(1)UNSPECIFIED
Eitelberg, G.UNSPECIFIED
Date:1995
Journal or Publication Title:Shock Waves, Marseille, I: Hypersonics, Shock Tube and Shock Tunnel Flow, Proceedings, Marseille/France 1993 ISBN 3-540-57710-6 Springer-Verlag Berlin Heidelberg New York ISBN 0-387-57710-6 Springer-Verlag New York Berlin Heidelberg
Volume:I
Page Range:pp. 75-80
Publisher:Springer-Verlag Berlin Heidelberg 1995
Status:Published
Keywords:Pressure, Heat transfer, Interferogram, Dissociation, Nonequilibrium
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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