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Alternative TitleNumerical Research About Interaction Between Two Tube Models Containing Spiral Magnetic Field Lines With a Little Small Length-Scale
叶占银; 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 AbstractAfter a long time interaction, governed by the magneto by drodynamic (MHD) equations,between the Parker solar wind flow and a potential magnetic field combined by a dipole and a hexapole,a special streamer background structure in the solar meridian plane is presented.With the background structure,two tube models containing spiral magnetic field lines with a small length-scale can move in the computational domain step by step, interact afterward and trigger a Coronal Mass Ejection (CME) finally.The tube model is approached by a structure made up of two-dimensional co-circular magnetic field lines, with a ratio of the plasma pressure at its.center to that at its edge m=2 and with a radius a for two cases:a=0.07 RS (Rs is the solar radius) and a=0.1 RS respectively. Corresponding to the two cases,two typical numerical results are obtained.In the case a=0.07 Rg,the two tube models interact with each other, merge into one set of co-circular magnetic field lines in seven solar radii and propagate outward.In the other case a=0.1 Re,the two tube models do not merge into one and keep two sets of co-circular magnetic field lines exist in the computational domain during their propagation as a whole.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
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Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
叶占银,北京8701信箱. 较小尺度磁螺旋线管相互作用的数值研究[J]. 空间科学学报,2008,28(3):194-202.
APA 叶占银,&北京8701信箱.(2008).较小尺度磁螺旋线管相互作用的数值研究.空间科学学报,28(3),194-202.
MLA 叶占银,et al."较小尺度磁螺旋线管相互作用的数值研究".空间科学学报 28.3(2008):194-202.
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