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Thermal Fluid-Structure Interaction in Different Atmospheres

Esser, Burkard and Gülhan, Ali (2006) Thermal Fluid-Structure Interaction in Different Atmospheres. 5th European Workshop on Thermal Protection Systems and Hot Structures, SP-631.

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Abstract

A generic nosecap model was tested in the arc heated facility L3K. The model was particularly designed to show thermomechanical fluid-structure interaction phenomena when heated by hypersonic high enthalpy flow. In particular, displacement measurements on the model's nose plate showed a very good agreement to coupled simulations of flow and structure. When heated in air flow local temperature maxima were observed that propagate like a wave along the surface. A comparative test campaign on SiC samples in air and nitrogen flow verified that the phenomenon can be explained by heat flux enhancement due to catalytic oxygen recombination at the surface at temperatures between 1200 K and 1500 K.

Document Type:Article
Title:Thermal Fluid-Structure Interaction in Different Atmospheres
Authors:
AuthorsInstitution or Email of Authors
Esser, BurkardUNSPECIFIED
Gülhan, AliUNSPECIFIED
Date:2006
Journal or Publication Title:5th European Workshop on Thermal Protection Systems and Hot Structures
Refereed publication:Yes
In ISI Web of Science:No
Volume:SP-631
Editors:
EditorsEmail
ESA, UNSPECIFIED
Keywords:keine
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 - Projekt ASTRA - Teilprojekt IMENS (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Christine Adams
Deposited On:30 Aug 2007
Last Modified:15 Jan 2010 00:27

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