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Sandwich structured ceramic matrix composites with periodic cellular ceramic cores: an active cooled thermal protection for space vehicles

Ferrari, L. and Barbato, M. and Esser, Burkard and Petkov, Ivaylo and Kuhn, Markus and Gianella, S. and Barcena, J. and Jimenez, C. and Francesconi, D. and Liedtke, V. and Ortona, A. (2016) Sandwich structured ceramic matrix composites with periodic cellular ceramic cores: an active cooled thermal protection for space vehicles. Composite Structures, 154, pp. 61-68. Elsevier. DOI: 10.1016/j.compstruct.2016.07.043 ISSN 0263-8223

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Official URL: http://www.sciencedirect.com/science/article/pii/S0263822316303464

Abstract

Ceramic cellular structures and ceramic matrix composites (CMCs), are promising materials for thermal protection systems (TPS) of future space vehicles. This is because of the good thermal properties of their cellular cores coupled with the matchless thermo-mechanical resistance of their CMC skins. A high temperature TPS with active cooling accomplished by flowing a gas into the sandwich’s core is investigated in this work. Three-dimensional thermo fluid dynamics analysis was first performed to evaluate the heat exchange in the ceramic sandwich under a Earth re-entry condition. The simulations, aiming at optimizing the TPS configuration, analysed several cellular ceramics structures by varying inlet and outlet positions, the coolant fluid and mass flows. A hexagonal cell was chosen as basic element of the porous ceramic. Sandwich structure components were produced and assembled by joining. Finally a prototypic leading edge was produced and tested in plasma wind tunnel in a standard re-entry condition. Cooling was performed with different gases and mass flows. Results are reported and discussed.

Item URL in elib:https://elib.dlr.de/106373/
Document Type:Article
Title:Sandwich structured ceramic matrix composites with periodic cellular ceramic cores: an active cooled thermal protection for space vehicles
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Ferrari, L.SUPSIUNSPECIFIED
Barbato, M.SUPSIUNSPECIFIED
Esser, BurkardBurkard.Esser (at) dlr.deUNSPECIFIED
Petkov, IvayloIvaylo.Petkov (at) dlr.deUNSPECIFIED
Kuhn, Markusmarkus.kuhn (at) dlr.deUNSPECIFIED
Gianella, S.ErbicolUNSPECIFIED
Barcena, J.TecnaliaUNSPECIFIED
Jimenez, C.TecnaliaUNSPECIFIED
Francesconi, D.Thales AleniaUNSPECIFIED
Liedtke, V.AAC GmbHUNSPECIFIED
Ortona, A.SUPSIUNSPECIFIED
Date:2016
Journal or Publication Title:Composite Structures
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:154
DOI :10.1016/j.compstruct.2016.07.043
Page Range:pp. 61-68
Publisher:Elsevier
ISSN:0263-8223
Status:Published
Keywords:Ceramic Matrix Composites, cellular structures, thermal protection, atmospheric entry, active cooling
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 - Wiederverwendbare Raumfahrtsysteme
Location: Köln-Porz , Stuttgart
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Über- und Hyperschalltechnologien
Institute of Structures and Design > Space System Integration
Deposited By: Esser, Dr.-Ing. Burkard
Deposited On:24 Oct 2016 12:25
Last Modified:10 Jan 2019 15:47

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