NSSC OpenIR  > 空间环境部
Alternative TitleThe Engineering Impact of Space Weather Events on Space Station
呼延奇; 钟秋珍; yqhu@spaceweather.ac.cn
Source Publication载人航天
Keyword空间站 空间天气事件 工程影响
Other AbstractBased on historical statistical data, the charged particle environment and atmospheric density variations resulted from space weather events and its engineering impact on space station are investigated by worst case analysis method. Results show that:(1)when severe solar proton event associated with large geomagnetic disturbance (Kp>5) occurs, a part of solar proton can arrive at space station, but its contribution to the cumulative total ionizing dose absorbed by the electronic parts and materials on-board space station during total mission is very limited; if the astronaut happens to carry out extravehicular activity during this period, the dose equivalent introduced by solar proton can reach 4mSv, approximately equivalent to 1/80 of 180 days in-flight cumulative dose equivalent.(2)Solar flare and geomagnetic storm both can produce atmospheric density variations, and the latter may have great impact on space stations orbit, while the worst case often occur in the declining phase of a solar activity cycle. In the worst case , the space stations orbit decay rate may increase 652m/day and 316m/day at 350km and 400km altitude respectively.
Indexed ByCSCD
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Document Type期刊论文
Corresponding Authoryqhu@spaceweather.ac.cn
Recommended Citation
GB/T 7714
呼延奇,钟秋珍,yqhu@spaceweather.ac.cn. 空间天气事件对空间站的工程影响分析[J]. 载人航天,2013,19(4):30-37.
APA 呼延奇,钟秋珍,&yqhu@spaceweather.ac.cn.(2013).空间天气事件对空间站的工程影响分析.载人航天,19(4),30-37.
MLA 呼延奇,et al."空间天气事件对空间站的工程影响分析".载人航天 19.4(2013):30-37.
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