Results of the investigation of MHD flow around the magnetosphere

Тип публикации: статья из журнала

Год издания: 1988

Ключевые слова: solar wind MHD flow, magnetosphere transition layer, Solar wind-magnetosphere interaction, Magnetosheath, magnetopause magnetic fields, MHD flow surface, magnetic pressure growth, Magnetic field reconnection, quasi-stationary MHD-flow, Earth's magnetosphere, Kinetic Approximation, linear diffusion model, magnetic barrier region, numerical integration, MHD-equations, gas-dynamic pressure, Petschek reconnection model.

Аннотация: The quasi-stationary MHD-flow of the solar wind around the Earth's magnetosphere is reviewed. Primary attention is accorded to the magnetic and electric fields in the transition layer and at the boundary of the magnetosphere. The kinetic approximation for a linear diffusion model is analysed. The existence condition for a magnetic barrier region where the kinetic approximation is not applicable is determined. The results of a numerical integration of the MHD-equations in the magnetic barrier region are used to analyse the fall-off in the gas-dynamic pressure and the growth in the magnetic pressure to a maximum on the surface of the flow. The problem of calculating the reconnection region on the background of the magnetic barrier is considered. The inclusion of the Petschek reconnection model in the general solution of the flow problem yields electric and magnetic fields that are consistent with the experimental values at the boundary of the magnetosphere.

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Издание

Журнал: Geomagnetism and Aeronomy

Выпуск журнала: Т. 28, 4

Номера страниц: 455-464

ISSN журнала: 00167932

Место издания: Москва

Издатель: Pleiades Publishing, Ltd. (Плеадес Паблишинг, Лтд)

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