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Experimental investigation of the influence of the flow structure on the aerodynamic coefficients of the IXV vehicle

Gawehn, Thomas and Neeb, Dominik and Gülhan, Ali and Dormieux, M. and Binetti, P. and Walloschek, T. (2009) Experimental investigation of the influence of the flow structure on the aerodynamic coefficients of the IXV vehicle. In: 27th International Symposium on Shock Waves. 27th Internation Symposium on Shock Waves, 19.-24. Juli 2009, St. Petersburg, Russland.

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Abstract

In the frame of the ESA Future Launchers Preparatory Programme (FLPP) an experimental re-entry phase of the Intermediate eXperimental Vehicle (IXV) configuration has been conducted in the DLR hypersonic wind tunnel H2K in Cologne. Tests have been carried out at Mach 6.0 and 8.7 with different flap deflection angles and the angle of incidence varied continuously between 20° and 55° to investigate the flow topology as well as the aerodynamic forces and moments and the surface pressure distribution. The experimental data show that depending on the combination of the flap deflection angle and angle of incidence the complex flow structure in the vicinity of the flaps (i.e. the shock/shock and shock/boundary layer interaction causing flow separation and reattachment) can influence the vehicle aerodynamic coefficients significantly.

Document Type:Conference or Workshop Item (Speech)
Title:Experimental investigation of the influence of the flow structure on the aerodynamic coefficients of the IXV vehicle
Authors:
AuthorsInstitution or Email of Authors
Gawehn, ThomasDLR
Neeb, DominikDLR
Gülhan, AliDLR
Dormieux, M.EADS Astrium
Binetti, P.NGL Prime
Walloschek, T.ESA/ESTEC
Date:July 2009
Journal or Publication Title:27th International Symposium on Shock Waves
Status:Published
Keywords:Intermediate Experimental Vehicle, Hypersonic Flow, Pressure coefficients, aerodynamic coefficients, Shock wave boundary layer interaction
Event Title:27th Internation Symposium on Shock Waves
Event Location:St. Petersburg, Russland
Event Type:international Conference
Event Dates:19.-24. Juli 2009
Organizer:Ioffe Institute of Russian Academy of Sciences
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
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 > Supersonic and Hypersonic Technology
Deposited By: Dr.-Ing. Thomas Gawehn
Deposited On:25 Jan 2010 15:13
Last Modified:07 Jun 2011 14:25

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