輻射帶之繞地衛星軌道環境粒子通量計算分析

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题名:	輻射帶之繞地衛星軌道環境粒子通量計算分析
作者:	丁健恩;汪愷悌
关键词:	衛星軌道;粒子通量;范艾倫輻射帶模型
日期:	2019-04-23
上传时间:	2019-06-04 12:10:45 (UTC+8)
摘要:	The Van Allen radiation belt above the Earth's ionosphere have been discovered since 1950's. It was found to be consistent of two regions with dense and energetic plasma. That is to say, the inner belt, located at above 0.2 to 2 Earth radii; the outer belt, located above 3 to 10 Earth radii, if considering their equatorial distributions. Because of the plentiful abundance of high-energy protons and electrons in these belts, satellites orbited through may expose to hazards caused by these particles. Indeed, the Earth-orbiting satellites have avoided these belt regions by staying at LEO, MEO, and GEO orbits. Not until recent years the launch of Van Allen Probes (aka RBSP) and ARASE (aka ERG) satellite mission have reached and stayed in this region so as to open up a new opportunity to explore the radiation belt regions in detail. In this study, we adopt the Van Allen radiation belt models AE-8 and AP-8, which have been often used in space industry, to compute the integrated proton and electrons fluxes along different satellite orbits based by varying parameters of the orbital elements. The charged particles environment corresponding to solar maximum and to solar minimum are also incorporated to analyze the effects from solar activities. The results can be applied to satellite mission design for orbits to the Earth's radiation belt.
關聯:	第十一屆海峽兩岸航空太空學術研討會論文集
显示于类别:	[航空太空工程學系暨研究所] 會議論文

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