Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983sva....27..660s&link_type=abstract
(Astronomicheskii Zhurnal, vol. 60, Nov.-Dec. 1983, p. 1138-1147) Soviet Astronomy (ISSN 0038-5301), vol. 27, Nov.-Dec. 1983, p.
Astronomy and Astrophysics
Astronomy
13
Lines Of Force, Magnetic Field Inversions, Magnetohydrodynamic Flow, Magnetohydrodynamic Waves, Kinetic Energy, Magnetic Flux, Shock Wave Propagation, Space Plasmas
Scientific paper
An asymptotic form of the solution of the problem of the reconnection of magnetic field lines in a nonstationary case with traveling shock waves is obtained using the technique of 'frozen-in' coordinates. The phase of development, in which the conversion of the energy of the magnetic field into the kinetic and internal energy of the plasma, the separation phase, and the outflow phase, during which the regions of field reversal (FR regions) carry off the energy liberated in the development phase, are studied. In the development phase the energy release is proportional to the third power of the magnetic field and inversely proportional to the density. It is shown that the velocity of motion of the glow (the auroral bulge of a magnetic substorm or the ribbon of a solar flare) in the respective dissipative region (the ionosphere or photosphere) is a measure of the vortical electric field in the diffuse region, while the area covered by the moving glow characterizes the magnetic flux reconnected.
Heyn Martin F.
Kubyshkin Igor V.
Semenov Vladimir S.
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