SPACECRAFT WALL DESIGN FOR INCREASED PROTECTION AGAINST PENETRATION BY ORBITAL DEBRIS IMPACTS

被引:18
|
作者
SCHONBERG, WP [1 ]
TULLOS, RJ [1 ]
机构
[1] SW RES INST, SAN ANTONIO, TX 78284 USA
关键词
D O I
10.2514/3.10861
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
All orbiting spacecraft are susceptible to impacts by meteoroids and pieces of orbital space debris. These impacts occur at extremely high speeds and can damage flight-critical systems, which can in turn lead to catastrophic failure of the spacecraft. The design of a spacecraft for a long-duration mission into the meteoroid and space debris environment must include adequate protection against perforation of pressurized components by such impacts. This paper presents the results of an investigation into the perforation resistance of dual-wall structural systems fabricated with monolithic bumper plates and with corrugated bumper plates of equal weight. A comparative analysis of the impact damage in dual-wall systems with corrugated bumper specimens and that in dual-wall specimens with monolithic bumpers of similar weight is performed to determine the advantages and disadvantages of employing corrugated bumpers in structural wall systems for long-duration spacecraft. The analysis indicates that a significant increase in perforation protection can be achieved if a monolithic bumper is replaced by a corrugated bumper of equal weight. The parameters of the corrugations in the corrugated bumper plates are optimized in a manner that minimizes the potential for the creation of ricochet debris in the event of an oblique hypervelocity impact. Several design examples using the optimization scheme are presented and discussed.
引用
收藏
页码:2207 / 2214
页数:8
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