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Three-dimensional MHD simulation of the 2008 December 12 coronal mass ejection: from the Sun to Interplanetary space
Zhang, Man; Feng, Xue Shang; Yang, Li Ping
Department空间科学部
Source PublicationJOURNAL OF SPACE WEATHER AND SPACE CLIMATE
2019
Volume9Pages:A33
DOI10.1051/swsc/2019034
ISSN2115-7251
Language英语
Keywordmagnetohydrodynamics coronal mass ejection flux rope
AbstractA three-dimensional time-dependent, numerical magnetohydrodynamic simulation is performed to investigate the propagation of a coronal mass ejection that occurred on 12 December 2008. The background solar wind is obtained by using a splitting finite-volume scheme based on a six-component grid system in spherical coordinate, with Parker's one-dimensional solar wind solution and measured photospheric magnetic fields as the initial values. A spherical plasmoid is superposed on the realistic ambient solar wind to study the 12 December 2008 coronal mass ejection event. The plasmoid is assumed to have a spheromak magnetic structure with a high-density, high-velocity, and high-pressure near the Sun. The dynamical interaction between the coronal mass ejection and the background solar wind flow is then investigated. We compared the model results with observations, and the model provide a relatively satisfactory comparison with the Wind spacecraft observations at 1 AU. We also investigated the numerical results assuming different parameters of the CME, we find that initial magnetic fields in the CME have a larger influence on the solar wind parameters at the Earth.
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7269
Collection空间科学部
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GB/T 7714
Zhang, Man,Feng, Xue Shang,Yang, Li Ping. Three-dimensional MHD simulation of the 2008 December 12 coronal mass ejection: from the Sun to Interplanetary space[J]. JOURNAL OF SPACE WEATHER AND SPACE CLIMATE,2019,9:A33.
APA Zhang, Man,Feng, Xue Shang,&Yang, Li Ping.(2019).Three-dimensional MHD simulation of the 2008 December 12 coronal mass ejection: from the Sun to Interplanetary space.JOURNAL OF SPACE WEATHER AND SPACE CLIMATE,9,A33.
MLA Zhang, Man,et al."Three-dimensional MHD simulation of the 2008 December 12 coronal mass ejection: from the Sun to Interplanetary space".JOURNAL OF SPACE WEATHER AND SPACE CLIMATE 9(2019):A33.
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