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NUMERICAL SIMULATION OF CORONAL MASS EJECTIONS BETWEEN TWO CORONAL STREAMERS

LI Fenglin ;JIANG Xinying; XIONG Donghui(College of Electronic Information, Wuhan University, 430072)  
In this paper, simulations of coronal mass ejections between two coronal streamers are conducted based on a two-dimensional MHD equation set. In order tore-appear the general characteristics of the CME, the simulation adds the closemagnetic field caused by a cycle current and the disturbing-pressure. The resultsshow: The disturbance can lead to an obvious plasma loop structure with highdensity and a low-density region behind the outer loop. They produce both radialand transverse expansion in different degree. The results apporoximately conformto the main characteristics of No.80127 CME event.
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