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太阳风离子在月面的反射过程及对月面电场的影响
Alternative TitleReflection of Solar Wind Ions on Lunar Surface and Its Influence on Lunar Surface Electric Field
刘沐明; 冯永勇
Department空间科学部
Source Publication吉林大学学报. 理学版
2018
Volume56Issue:6Pages:1513-1520
ISSN1671-5489
Language中文
Keyword月表磁异常区 月面电场 离子散射 单粒子模拟
Abstract为探究月表磁异常区对太阳风离子产生反射的原理,基于嫦娥二号卫星携带太阳风离子探测器的探测数据,用单粒子模拟法反演太阳风离子运动,并分析离子入射角和反射角的分布.实验结果表明:太阳风离子先被月壤向各方向大范围散射,再被月面电场向天顶方向加速;太阳风中,月面有45~75V电势,该正电势对月面反射的太阳风离子有显著影响.
Other AbstractIn order to explore the principle of reflection of solar wind ions on lunar magnetic anomaly area,based on the detection data of the solar wind ion detector carried by ChangE-2 satellite,we inverted the motion of the solar wind ions by using single particle simulation,and analyzed incidence angles and reflection angles.The experimental results show that the solar wind ions are firstly scattered by lunar regolith in all directions,then accelerated upward by lunar surface electric field. There is a positive potential of 4575 V on dayside lunar surface in solar wind,which has a significant effect on the solar wind ions reflected from the lunar surface.
Indexed ByCSCD
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6955
Collection空间科学部
Recommended Citation
GB/T 7714
刘沐明,冯永勇. 太阳风离子在月面的反射过程及对月面电场的影响[J]. 吉林大学学报. 理学版,2018,56(6):1513-1520.
APA 刘沐明,&冯永勇.(2018).太阳风离子在月面的反射过程及对月面电场的影响.吉林大学学报. 理学版,56(6),1513-1520.
MLA 刘沐明,et al."太阳风离子在月面的反射过程及对月面电场的影响".吉林大学学报. 理学版 56.6(2018):1513-1520.
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