In this paper, the processes of formation and decay of a spherical plasmoid with a diameter of 10– 12 cm in a vapor-air medium are studied. The analysis of experimental data is carried out. The main factors that significantly affect the mechanism of formation and decay of a spherical plasmoid are identified. It is established that the annular vortex that occurs during the decay of the plasmoid is turbulent. The lifetime of an annular vortex is approximately equal to the lifetime of a spherical plasmoid (from 1/30 to 1/5 second).
Topics
Magnetospheric plasmas
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