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Alternative TitleInfluence of a Streamer Background With Nested Close Magnetic Structures on the Properties of CME Initiated From Its Bottom
叶占银; 魏奉思; 王赤; 冯学尚; 钟鼎坤; 北京8701信箱
Source Publication空间科学学报
Keyword太阳风 日冕物质抛射 Mhd方程组
Other AbstractThe influence of a streamer background with nested close magnetic structures on the properties of CME initiated from its bottom is investigated in a solar meridian plane.In the streamer there contain three small-scale close magnetic field structures with the magnetic direction of the middle one opposite to that of the solar global dipole.A CME triggering model made up of cocircular magnetic field lines is taken to emerge from the solar equator at the inner boundary,where the middle small-scale close magnetic field structure locates, of the computational domain. The magnetic field direction in the front half of the CME triggering model with a radius a=O.1R_s (R_s is solar radius) is opposite to that of the magnetic field line at its emerging position and same to that of the streamer global dipole. It is found from numerical simulation that: the CME triggering model, with a ratio of plasma pressure at its center and that at its edge m>2, can trigger a CME and can not when m<2. The error for this numerical conclusion is less than 1%.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
叶占银,魏奉思,王赤,等. 嵌套闭磁场日冕背景结构对触发CME特征的影响[J]. 空间科学学报,2006,26(6):406-414.
APA 叶占银,魏奉思,王赤,冯学尚,钟鼎坤,&北京8701信箱.(2006).嵌套闭磁场日冕背景结构对触发CME特征的影响.空间科学学报,26(6),406-414.
MLA 叶占银,et al."嵌套闭磁场日冕背景结构对触发CME特征的影响".空间科学学报 26.6(2006):406-414.
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