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Measurements of Pressure Distribution and Thermal Loads on the Flaps of the NASA X-38 Demonstrator

Krogmann, P. and Lüdeke, H. (1999) Measurements of Pressure Distribution and Thermal Loads on the Flaps of the NASA X-38 Demonstrator. 12th European Aerospace Conference, Paris (fr), 29.11.-01.12.1999.

Full text not available from this repository.

Abstract

Subject of the present paper is the wind tunnel testing campaign in the DNW Ludwieg Tube facility Göttingen (RWG) for determination of heat loads and pressure distribution in the flap region of the NASA/ESA/DLR X-38 re-entry vehicle. Measurements have been performed at M = 6, alpha = 40°, Re = 2.1 x 8.8 x 10 Million for laminar, transitional and fully turbulent flow conditions. Liquid crystal thermography performed on a rapid prototyping model allows an overview of the thermal surface distribution. Simultaneous Navier-Stokes simulations with the DLR code CEVCATS-N show good agreement in the pressure distribution, but the heat loads are strongly influenced by boundary layer transition.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2005,
Title:Measurements of Pressure Distribution and Thermal Loads on the Flaps of the NASA X-38 Demonstrator
Authors:
AuthorsInstitution or Email of Authors
Krogmann, P.UNSPECIFIED
Lüdeke, H.UNSPECIFIED
Date:1999
Status:Published
Keywords:CRV, re-entry, X-38, Görtler Vortices, RWG
Event Title:12th European Aerospace Conference, Paris (fr), 29.11.-01.12.1999
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):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik
Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: Claudia Grant
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 21:02

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