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部分球壳分布离子流激发的电磁不稳定性
Alternative TitleION RING-BEAM INSTABILITY DRIVEN BY IONSWITH A PARTIAL SHELL DISTRIBUTION
曹晋滨; 吴京生; 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:1Pages:28-33
ISSN0254-6124
Language中文
Keyword离子环束流 部分球壳分布 电磁不稳定性
Abstract在离子环束流和低频电磁波相互作用的过程中廓了环束流将演化成具有投掷角展宽的部分球壳速度分布离子流,其投掷角展宽随时间增大,低频右旋电磁不稳定性增长率峰值,总的说来也逐渐增大,并向高频短波方向移动,与此相反,低频左旋电磁不稳定性增长率峰值,当投掷 角展宽等于0时,大于右旋不稳定性峰值,但随着投掷角展宽增加而迅速低于右 性增长率峰值,并向工波方向移动.
Other AbstractIn the interaction between ion ring-beam and waves, the ring-beam velocity distribution of the ions will evolve into a partial shell velocity distribution.The spread of pitch angle of this partial shell increases with time,the peak value of growth rate spectrum of the right hand ion beam instability decreases in general and shifts to the region of higher frequency and larger wave number.The peak value of growth rate spectrum of the left hand instability driven by ions with an initial ring distribution decreases rapidly with the increase of the spread of the pitch angle of the partial shell and shifts to the region of lower frequency and longer wave number.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Cited Times:3[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1326
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
曹晋滨,吴京生,北京8701信箱. 部分球壳分布离子流激发的电磁不稳定性[J]. 空间科学学报,1999,19(1):28-33.
APA 曹晋滨,吴京生,&北京8701信箱.(1999).部分球壳分布离子流激发的电磁不稳定性.空间科学学报,19(1),28-33.
MLA 曹晋滨,et al."部分球壳分布离子流激发的电磁不稳定性".空间科学学报 19.1(1999):28-33.
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