Abstract
On the basis of a known selfsimilar solution of the system of MHD equations describing plasma flows with homogeneous deformation, a dynamic model of a solar magnetic tube has been developed. A general form of the energy equation allowing for Joule heating, radiative cooling, and effects related to thermal conductivity and viscosity has been used in the construction of this model. Various dynamic regimes of magneticloop evolution are studied. Of great interest are the processes of flare-like fast compression and heating of plasma in the tube, the process of plasma compression accompanied by cooling, which corresponds to prominence formation in the tube, as well as various oscillatory regimes and processes of plasma decompression accompanied by both its cooling and heating. The model has been analytically and numerically studied.
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