Modeling of the disturbance of magnetic and electric fields during the expansion of a plasma-forming mixture in the ionosphere

Details Modeling of the disturbance of magnetic and electric fields during the expansion of a plasma-forming mixture in the ionosphere Modeling of the disturbance of magnetic and electric fields during the expansion of a plasma-forming mixture in the ionosphere

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993kosis..31..143g&link_type=abstract

Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 31, no. 1, p. 143-149.

Mathematics

Barium Ion Clouds, Earth Ionosphere, Electric Fields, Ionospheric Disturbances, Magnetic Fields, Plasma Interactions, Expansion, Ionospheric Currents, Magnetic Flux, Magnetohydrodynamics, Mathematical Models

Scientific paper

Disturbances of magnetic and electric fields in a weakly ionized barium plasma expanding in the ionosphere at a height of 200 km are investigated on the basis of a numerical solution of the two-fluid three-temperature MHD equations. The calculations cover the initial expansion phase up to the deceleration of the plasma clump in the ionosphere. The results are used to clarify the formation of a magnetic cavern and magnetic field intensification at the cavern's periphery, the generation of polarization and induced electric fields, and the generation of electric currents.

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