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涡旋诱发磁重联模型的解析研究
Alternative TitleANALYTICAL STUDY ON THE VORTEX INDUCED RECONNECTION PROCESSES
沈超; 刘振兴; 北京8701信箱
Department空间天气学国家重点实验室
Source Publication地球物理学报
1998
Volume41Issue:1Pages:10-18
ISSN0001-5733
Language中文
Keyword粘性 涡旋诱发重联 多电流片系统
Abstract在磁流体中涡旋诱发重联的线性过程的解析研究过程中,主要运用了渐近匹配展开方法.结果表明,如果流体粘性远大于磁粘性,流场马赫数Ma~1,重联的线性增长率正比于Vv为无量纲化流体粘性,这与数值模拟结果一致.此结论表明,流体粘性能够促进磁场重联,在理论上支持涡旋诱发重联模式.本文还研究了周期分布多电流片系统中涡旋诱发重联的线性增长率;随电流片之间距离的减小,反对称和对称情形的增长率分别增大和减小.
Other AbstractThe linear vortex induced reconnection (VIR) model has been studied analytically.The result show that, for the special case when the fluid viscosity is much larger than resistivity, the growth rate scales as , which agrees with the numerical study results of others. The vortex induced reconnection processes in periodic multiple current sheet system have also been studied and the linear growth rate is obtained.Some promising methods to solve the problem completely have also been proposed.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1252
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
沈超,刘振兴,北京8701信箱. 涡旋诱发磁重联模型的解析研究[J]. 地球物理学报,1998,41(1):10-18.
APA 沈超,刘振兴,&北京8701信箱.(1998).涡旋诱发磁重联模型的解析研究.地球物理学报,41(1),10-18.
MLA 沈超,et al."涡旋诱发磁重联模型的解析研究".地球物理学报 41.1(1998):10-18.
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