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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 Tarfeld, Frank and Gülhan, Ali and Dormieux, M. and Binetti, P. and Walloschek, T. (2011) Experimental investigation of the influence of the flow structure on the aerodynamic coefficients of the IXV vehicle. Shock Waves. Springer Berlin / Heidelberg. DOI: 10.1007/s00193-011-0326-y.

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Official URL: http://dx.doi.org/10.1007/s00193-011-0326-y

Abstract

In the framework of the ESA Future Launchers Preparatory Program (FLPP) an experimental study on the aerodynamic behavior during the re-entry phase of the Intermediate eXperimental Vehicle (IXV) configuration was conducted in the DLR hypersonic wind tunnel H2K in Cologne. Tests were carried out at Mach 6.0 and 8.7 with different flap deflection angles and the angle of attack 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 (δL/R) and angle of attack (α) the complex flow structure in the vicinity of the flaps significantly influences the vehicle’s aerodynamic coefficients. An analysis of this shock/shock and shock/boundary layer interaction causing flow separation with reattachment is performed.

Document Type:Article
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, ThomasAS-HY
Neeb, DominikAS-HY
Tarfeld, FrankAS-HY
Gülhan, AliAS-HY
Dormieux, M.EADS Astrium
Binetti, P.NGL Prime
Walloschek, T.ESA/ESTEC
Date:29 May 2011
Journal or Publication Title:Shock Waves
Refereed publication:Yes
In Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI:10.1007/s00193-011-0326-y
Publisher:Springer Berlin / Heidelberg
Status:Published
Keywords:Aerodynamics · Shock–shock interaction · Hypersonic, Re-entry, Intermediate eXperimental Vehicle, IXV, FLPP, H2K
HGF - Research field:other
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:no assignement
DLR - Program:no assignment
DLR - Research theme (Project):other
Location: Köln-Porz
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology
Deposited By: Dr.-Ing. Thomas Gawehn
Deposited On:07 Jun 2011 14:14
Last Modified:20 Mar 2013 19:44

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