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首页> 外文期刊>Geomagnetism and aeronomy >Features in the Behavior of the Solar Wind behind the Bow Shock Front near the Boundary of the Earth's Magnetosphere
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Features in the Behavior of the Solar Wind behind the Bow Shock Front near the Boundary of the Earth's Magnetosphere

机译：在地球磁层边界附近的弓箭震荡前后太阳风的特点

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摘要

Macroscopic discontinuous structures observed in the solar wind are considered in the framework of magnetic hydrodynamics. The interaction of strong discontinuities is studied based on the solution of the generalized Riemann-Kochin problem. The appearance of discontinuities inside the magnetosheath after the collision of the solar wind shock wave with the bow shock front is taken into account. The propagation of secondary waves appearing in the magnetosheath is considered in the approximation of one-dimensional ideal magnetohydrodynamics. The appearance of a compression wave reflected from the magnetopause is indicated. The wave can nonlinearly break with the formation of a backward shock wave and cause the motion of the bow shock towards the Sun. The interaction between shock waves is considered with the well-known trial calculation method. It is assumed that the velocity of discontinuities in the magnetosheath in the first approximation is constant on the average. All reasonings and calculations correspond to consideration of a flow region with a velocity less than the magnetosonic speed near the Earth-Sun line. It is indicated that the results agree with the data from observations carried out on the WIND and Cluster spacecrafts.
机译：在磁力流体动力学框架中考虑在太阳风中观察到的宏观不连续结构。基于普通的黎曼 - Kochin问题的解决方案研究了强不连续性的相互作用。考虑到太阳风冲击波碰撞后，磁性冲击波与弓形冲击前的碰撞后的不连续性的出现。在一维理想磁流体动力学的近似下考虑出现在磁性晶状体中的二次波的传播。指示从磁档反射的压缩波的外观。波浪可以在后向冲击波的形成中非线性地断裂，并导致朝向太阳的弯曲冲击的运动。通过众所周知的试验计算方法考虑冲击波之间的相互作用。假设第一近似在第一近似中的磁性插入物中的不连续性的速度是恒定的。所有推理和计算对应于考虑流量区域，其速度小于地球太阳线附近的磁性速度。结果表明，结果与来自风和集群航天器的观察结果的数据一致。

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