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Instrumentation of the EXPERT Flap for Wind Tunnel Testing and Evaluation of Test Results

Thiele, Thomas and Gülhan, Ali and Häberle, Jürgen and Pereira, Carlos and Di Clemente, Marco and Rösgen, Thomas and Thoemel, Jan (2012) Instrumentation of the EXPERT Flap for Wind Tunnel Testing and Evaluation of Test Results. In: Proceedings of the 63rd International Astronautical Congress (IAC). 63rd International Astronautical Congress, 1.-5. Okt. 2012, Neapel, Italien.

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Abstract

In the frame of the ESA EXPERT project the re-entry vehicle is used as a flight testbed to obtain aerothermodynamic flight data. One of the payloads, called “Measurement of Control Surfaces Aerodynamic Efficiency and Heating”, is developed by the Supersonic and Hypersonic Technology Department of DLR. The payload includes the instrumentation of two control surfaces (flaps) with different types of sensors and the corresponding data acquisition system. To assess the design of the flap and its instrumentation, tests were performed at the CIRA SCIROCCO plasma wind tunnel in April 2011 on a flap instrumented in flight configuration. This paper presents the overall layout and design of the flap instrumentation together with the evaluated temperature and pressure distributions measured during the test campaign. Evaluated temperatures from sensors installed on the flap are compared with contactless temperature measurements performed by several infrared cameras. In addition, some CFD simulation results are presented and compared with experimental data.

Document Type:Conference or Workshop Item (Paper)
Title:Instrumentation of the EXPERT Flap for Wind Tunnel Testing and Evaluation of Test Results
Authors:
AuthorsInstitution or Email of Authors
Thiele, ThomasThomas.Thiele@dlr.de
Gülhan, AliAli.Guelhan@dlr.de
Häberle, JürgenAstrium GmbH Space Transportation
Pereira, CarlosRUAG Space
Di Clemente, MarcoItalian Aerospace Research Center (CIRA)
Rösgen, ThomasInstitute of Fluid Dynamics, ETH Zurich
Thoemel, JanEuropean Space Agency
Date:1 October 2012
Journal or Publication Title:Proceedings of the 63rd International Astronautical Congress (IAC)
Status:Published
Keywords:EXPERT, aerothermal, wind tunnel testing, control surface, high temperature pressure port, L3K, arc heated, infrared thermography, ceramic material, heat flux measurement, thermocouple measurement, flap instrumentation, data acquisition system, SCIROCCO
Event Title:63rd International Astronautical Congress
Event Location:Neapel, Italien
Event Type:international Conference
Event Dates:1.-5. Okt. 2012
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transport
DLR - Research area:Raumfahrt
DLR - Program:R RP - Raumtransport
DLR - Research theme (Project):R - Raumfahrzeugsysteme - Rückkehrtechnologie
Location: Köln-Porz
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Über- und Hyperschalltechnologien
Deposited By: Thomas Thiele
Deposited On:15 Nov 2012 13:36
Last Modified:20 Nov 2012 14:44

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