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The dynamical behavior of the earth's magnetosphere based on laboratory simulation

机译：基于实验室模拟的地球磁层动力学行为

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摘要

A laboratory simulation experiment was performed to observe the dynamical behavior of the earth's magnetosphere, based upon the earthward electric field measurement in the magnetotail. The simulation was examined to satisfy the MHD scaling laws. The earthward electric field, E, is the signature of the current density based on j x B force in the tail, described by Podgorny (1978). The effect of the solar wind dynamic pressure to the earthward electric field, E, was investigated. The solar wind density was changed while the other parameters were kept almost constant. It is found that the E, is modulated by the change in the solar wind dynamic pressure. The result also shows that the current continued to flow in the near earth region even after the solar wind had stopped. This result shows a similar resemblance to that of the particle confinement in the radiation belt of the real magnetosphere.
机译：基于磁尾中的向地电场测量，进行了实验室模拟实验，以观察地球磁层的动力学行为。检查了仿真以满足MHD缩放定律。地球电场E是基于尾部j x B力的电流密度的标志，由Podgorny（1978）描述。研究了太阳风动压对地球电场E的影响。改变太阳风密度，而其他参数几乎保持恒定。发现E，是由太阳风动压力的变化调制的。结果还表明，即使在太阳风停止后，电流仍继续在近地区域流动。此结果显示出与真实磁层辐射带中的粒子约束相似的相似性。

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