Modeling and Damage/Failure Control of Spacecraft Pressurized Structures Subject to Orbital Debris Impact

遭受轨道碎片撞击的航天器加压结构的建模和损坏/故障控制

• 批准号: 402115-2012
• 负责人: Telichev, Igor
• 金额: $ 1.68万
• 依托单位: University of Manitoba
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2012
• 资助国家: 加拿大
• 起止时间: 2012-01-01 至 2013-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=510203
• 关键词: Modeling; Damage; Failure; Control; Spacecraft

The hazard from orbital debris is a growing international concern for the safety and reliability of space-based infrastructure - even small particles can damage, degrade, or destroy spacecraft due to the very high velocities involved in a collision, on the average about 11 km/sec . The number of man-made objects in Earth orbit has increased steadily, and it has become a lot more crucial to get a handle on the subject over the past four years because of the series of incidents happened in 2007-2009. Today the Space Surveillance Network is tracking more than 19,000 objects approximately 10 centimeters in diameter or larger. It is estimated that there are over 300,000 untrackable objects with a diameter larger than one centimeter, and millions smaller [2].

轨道碎片的危害是国际上对天基基础设施安全性和可靠性日益关注的问题-由于碰撞速度非常高，平均约为11公里/秒，即使是很小的粒子也可能损坏、降解或摧毁航天器。地球轨道上的人造物体数量稳步增加，由于2007-2009年发生的一系列事件，在过去四年中处理这个问题变得更加重要。今天，空间监视网络正在跟踪19，000多个直径约为10厘米或更大的物体。据估计，有超过300，000个直径大于1厘米的无法追踪的物体，还有数百万个直径小于1厘米的物体[2]。