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

被引：70

作者：

Ferrari, Luca ^{[1
,4
]}

Barbato, Maurizio ^{[1
]}

Esser, Burkard ^{[2
,3
]}

Petkov, Ivaylo ^{[2
,3
]}

Kuhn, Markus ^{[2
,3
]}

Gianella, Sandro ^{[4
]}

Barcena, Jorge ^{[5
]}

Jimenez, Christina ^{[5
]}

Francesconi, Daniele ^{[6
]}

Liedtke, Volker ^{[7
]}

Ortona, Alberto ^{[1
]}

机构：

[1] SUPSI ICIMSI, Manno, Switzerland

[2] DLR Koln, Cologne, Germany

[3] DLR Stuttgart, Stuttgart, Germany

[4] EngiCer, Balerna, Switzerland

[5] Tecnalia, San Sebastian, Spain

[6] Thales Alenia Space, Turin, Italy

[7] Aerosp & Adv Composites, Wiener Neustadt, Austria

来源：

COMPOSITE STRUCTURES | 2016年 / 154卷

关键词：

INFILTRATED SICF/SIC COMPOSITES; SOLAR RECEIVER APPLICATION; ELECTROPHORETIC DEPOSITION; PRESSURE-DROP; FABRICATION; FLOW;

D O I：

10.1016/j.compstruct.2016.07.043

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

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 diffetent gases and mass flows. Results are reported and discussed. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：61 / 68

页数：8

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