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有磁场时电子在航天器光电子鞘层中的漂移运动
Alternative TitleELECTRON DRIFT MOTION IN THESPACECRAFT PHOTO SHEATH OFMAGNETIZED PLASMA
曹晋滨; 周国成; 北京8701信箱
Department空间天气学国家重点实验室
Source Publication空间科学学报
1999
Volume19Issue:2Pages:102-107
ISSN0254-6124
Language中文
Keyword光电子鞘层 静电势 电子 等离子体 航天器 磁场
Abstract采用二级漂移近似理论,研究了在航天器光电子鞘层中与电流收集有关的电子在磁场中的运动轨道和收集电子有关的磁瓶结构,结果表明当磁场越强,航天器表面电势越弱,磁瓶在无穷远处横截面积就越小.在光电子鞘层中,势垒对电流收集影响较大,磁瓶的横截面积在略远于垫垒处有极大值,磁瓶在无穷远处的横截面积并非随着势垒距航天器距离的远近而单调变化.
Other AbstractBy using one seeond order drift approximation theory, we for the first time study the drift motion of electrons in the photo sheath of spacecraft in a magnetized plasma, and the structure of the magnetic bottle in the photo sheath.Results show that the stronger the magnetic field,the weaker the electric potential of the spacecraft and the smaller the cross section of the magnetic bottle in the infinity is.In the photo sheath, the electric potential barrier has an important influence on the current collection of the spacecraft.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1460
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
曹晋滨,周国成,北京8701信箱. 有磁场时电子在航天器光电子鞘层中的漂移运动[J]. 空间科学学报,1999,19(2):102-107.
APA 曹晋滨,周国成,&北京8701信箱.(1999).有磁场时电子在航天器光电子鞘层中的漂移运动.空间科学学报,19(2),102-107.
MLA 曹晋滨,et al."有磁场时电子在航天器光电子鞘层中的漂移运动".空间科学学报 19.2(1999):102-107.
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