Computer Science
Scientific paper
May 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981kosis..19..409d&link_type=abstract
Kosmicheskie Issledovaniia, vol. 19, May-June 1981, p. 409-414. In Russian.
Computer Science
Convection, Earth Magnetosphere, Interplanetary Magnetic Fields, Ionospheric Currents, Polar Caps, Space Plasmas, Atmospheric Boundary Layer, Lines Of Force
Scientific paper
A laboratory simulation experiment was used to study large-scale convection in the polar cap in the magnetosphere in the presence of the northern component of the interplanetary magnetic field. The artificial magnetosphere was produced by a supersonic super-Alfven flow of a collisionless hydrogen plasma with a velocity of 1.5 x 10 to the 7th cm/s, an electron density of 5 x 10 to the 12th to 10 to the 13th per cu cm, a Bz field strength of 0-50 G, an electron temperature of 15 eV, and an ion temperature of 5 eV. The structure of the high-latitude boundary layer in the presence of the northern component of the IMF is found to be different from that in the generally accepted plasma-mantle model of Rosenbauer et al. (1975). In the outer region of this layer, contiguous with the magnetopause, convective flows are excited as a result of the reconnection of force lines. This is associated with the appearance of an outward-directed component of convection velocity.
Dubinin Edouard M.
Potanin Iu. N.
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