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地球远磁尾磁重联的数值模拟研究

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摘要 采用混合模拟法研究地球远磁尾磁场重联过程,分析了离子温度的特性及其在出流区的动力学问题.磁场重联过程使离子温度在等离子体片边界层中显著升高的同时,在重联边界层过渡区表现出了十分明显的T‖>T⊥的温度各向异性,而激波的上游区温度情况却与之相反.速度分布的模拟结果显示,出流区离子速度分布随着磁场重联的发展和演化逐渐偏离了初始的麦克斯韦分布,出现部分球壳状的分布.重联进一步演化之后,离子在速度空间分离成两部分,形成类哑铃状分布位形.
出处 《赤峰学院学报(自然科学版)》 2016年第15期21-22,共2页 Journal of Chifeng University(Natural Science Edition)
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