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Surface Reactions of Different Heat Protection Materials in the Stagnation Point Region of Conical Arc Heated Flow.

Kindler, K. (1995) Surface Reactions of Different Heat Protection Materials in the Stagnation Point Region of Conical Arc Heated Flow. DLR-Interner Bericht. 39113-95C10, 32 S.

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Abstract

The arc heated wind tunnel LBK of DLR is used to investigate the response of heat protection material to high enthalpy flow. The experimental study is performed using circular flat plates in the stagnation point area of blunt cylinders. The surface temperature distribution in the stagnation point area on two thermal protection materials and the heat flux rate of a catalytic wall are used to investigate the gas surface interaction of different materials with the air flow of high enthalpy. The sample holder consists of a spherical faced cylinder of SiC which holds a circular flat plate. The pressure at the surface of the heat protection material is measured by a Pitot probe and the heat flux rate by a heat flux probe of the same shape as the sample holder. The surface temperatures at the samples are determined by pyrometers. The development of the surface temperature gives information about the interaction of the material with the flow field.

Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1995,
Title:Surface Reactions of Different Heat Protection Materials in the Stagnation Point Region of Conical Arc Heated Flow.
Authors:
AuthorsInstitution or Email of Authors
Kindler, K.UNSPECIFIED
Date:1995
Number of Pages:32
Status:Published
Keywords:Heat protection material, high enthalpy flow, stagnation point investigation.
HGF - Research field:UNSPECIFIED
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:UNSPECIFIED
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology
Deposited By: elib DLR-Beauftragter
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 05:29

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