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Modification of superalloy honeycomb thermal protection system

Modification of superalloy honeycomb thermal protection system Paper aims to present problem of aerodynamic heating of a metallic heat shield. The key elements of this construction are metallic layers of superalloy honeycomb, which significantly increase the structure’s resistance to impact. Paper describes the problem of influence of damage size on increase of thermal load.Design/methodology/approachNumerical analysis was performed in a non-commercial environment FreeFem++ using finite element method, and its results were compared with the results given in the literature.FindingsIn thermal protection system, a modification was used to delay increase in temperature on the underlying structure as well as to reduce its maximum value.Originality/valueIn the further part of the paper, selected insulation material was modified by adding additional conductive material. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Numerical Methods for Heat and Fluid Flow Emerald Publishing

Modification of superalloy honeycomb thermal protection system

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References (21)

Publisher
Emerald Publishing
Copyright
© Emerald Publishing Limited
ISSN
0961-5539
eISSN
0961-5539
DOI
10.1108/hff-11-2019-0818
Publisher site
See Article on Publisher Site

Abstract

Paper aims to present problem of aerodynamic heating of a metallic heat shield. The key elements of this construction are metallic layers of superalloy honeycomb, which significantly increase the structure’s resistance to impact. Paper describes the problem of influence of damage size on increase of thermal load.Design/methodology/approachNumerical analysis was performed in a non-commercial environment FreeFem++ using finite element method, and its results were compared with the results given in the literature.FindingsIn thermal protection system, a modification was used to delay increase in temperature on the underlying structure as well as to reduce its maximum value.Originality/valueIn the further part of the paper, selected insulation material was modified by adding additional conductive material.

Journal

International Journal of Numerical Methods for Heat and Fluid FlowEmerald Publishing

Published: May 3, 2021

Keywords: Heat transfer; Aerodynamic heating; Metallic thermal protection system

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