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Evolution of coronal mass ejection/shock system in interplanetary space |
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| Authors: | CQ Xiang FS Wei XS Feng JF Wang |
| Institution: | aSIGMA Weather Group, Key Laboratory of Space Weather, Center for Space Science and Applied Research, Chinese Academy of Sciences, P.O. Box 8701, Beijing 100080, China bDepartment of Space Physics, College of Electronic Information, Wuhan University, Wuhan 430072, China |
| Abstract: | The evolution of coronal mass ejection/shock system is investigated by numerically solving the usual set of two-dimensional single-fluid polytropic magnetohydrodynamic equations from 1 Rs to 1 AU in the meridian plane. The simulation result reveals that the coronal mass ejection/shock system formed near the sun evolves into the magnetic cloud/shock system near the earth’s orbit through the following three phases: the initial formation, the dominant latitudinal expansion and the similar expansion. |
| Keywords: | Coronal mass ejections Magnetic clouds Magnetohydrodynamic simulation |
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