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An Experimental Study on Aerothermal Heating of the IXV Configuration During Reentry

Neeb, Dominik and Gülhan, Ali and Cosson, Emmanuel and Ameziane, Rachida and Binetti, Paolo and Walloschek, Thomas (2008) An Experimental Study on Aerothermal Heating of the IXV Configuration During Reentry. In: ESA Special Publication. Sixth European Symposium on Aerothermodynamics for Space Vehicles, 2008-11-03 - 2008-11-05, Versailles (Frankreich).

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In the framework of the ESA FLPP program an experimental investigation of the aerothermodynamic phenomena on the IXV configuration during reentry phase has been conducted in the hypersonic windtunnel H2K at DLR Cologne. To study the control behavior of the vehicle with flaps at different flight conditions, a variation of the flap deflection and the angle of attack have been applied. Tests have been carried out at Mach 8.7 and three different Reynolds number steps. The test duration was up to 20 seconds. The model is made of a material with low thermal conductivity, in order to measure the surface temperature distribution by means of IR thermography and to avoid any heat dissipation inside the structure. Using this data the heat flux rate has been determined taking into account temperature-dependent material characteristics, assuming a semi infinite wall and radiative cooling to the environment. The flow topology has been analyzed using Schlieren images. Depending on the combination of the flap deflection angle and angle of attack the experimental data show a significant influence of the Reynolds number on the shock-shock and shock-boundary layer interactions, flow separation and its re-attachment, which lead to a completely different aerothermal heating on the flap.

Item URL in elib:https://elib.dlr.de/55493/
Document Type:Conference or Workshop Item (Speech)
Title:An Experimental Study on Aerothermal Heating of the IXV Configuration During Reentry
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Cosson, EmmanuelEADS, Les MureauxUNSPECIFIED
Ameziane, RachidaEADS, Les MureauxUNSPECIFIED
Binetti, PaoloNGL, TorinoUNSPECIFIED
Walloschek, ThomasESA/ESTEC, NoordwijkUNSPECIFIED
Date:October 2008
Journal or Publication Title:ESA Special Publication
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:IXV, heat flux, shock-shock interaction, aerothermodynamic, aerothermal heating, hypersonic, FLPP, H2K, reentry
Event Title:Sixth European Symposium on Aerothermodynamics for Space Vehicles
Event Location:Versailles (Frankreich)
Event Type:international Conference
Event Dates:2008-11-03 - 2008-11-05
Organizer:ESA, ONERA
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 - Zukünftige Raumtransporter - Entwurf und Simulationsmethoden für Raumtransporter (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited On:08 Oct 2008
Last Modified:15 Jan 2010 00:07

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