Electromagnetic shielding of thermal protection system for hypersonic vehicles

被引：68
作者：
Albano, M. [1 ]
Micheli, D. [1 ]
Gradoni, G. [2 ]
Morles, R. B. [1 ]
Marchetti, M. [1 ]
Moglie, F. [3 ]
Primiani, V. Mariani [3 ]
机构：
[1] Univ Roma La Sapienza, Dipartimento Ingn Astronaut Elettr & Energet, Area Ingn Astronaut, I-00138 Rome, Italy
[2] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[3] Univ Politecn Marche, Dipartimento Ingn Informaz, I-60131 Ancona, Italy
来源：
ACTA ASTRONAUTICA | 2013年 / 87卷
关键词：
Electromagnetic shielding effectiveness; Carbon foam; Carbon/carbon; Carbon silicon carbide; Reverberation chamber; Space re-entry vehicle; Thermal protection system; Numerical simulation; REVERBERATION CHAMBERS; CARBON/CARBON; COMPOSITES; FIELD;
D O I：
10.1016/j.actaastro.2013.02.003
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The numerical simulation and the measurement of electromagnetic shielding at microwave frequencies of thermal protection system for hypersonic vehicles is presented using nested reverberation chamber. An example of a possible thermal protection system for a re-entry vehicle is presented. This system based on carbon material is electromagnetically characterized. The characterization takes into account not only the materials but also the final assembly configuration of the thermal protection system. The frequency range is 2-8 GHz. The results of measurements and simulations show that the microwave shielding effectiveness of carbon materials is above 60 dB for a single tile and that the tile inter-distance is able to downgrade the shielding effectiveness on the average to about 40 dB. (C) 2013 IAA. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：30 / 39
页数：10
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