Computer Science
Scientific paper
Mar 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984p%26ss...32..365b&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 32, March 1984, p. 365-371.
Computer Science
5
Magnetohydrodynamic Flow, Planetary Atmospheres, Plasmasphere, Angular Velocity, Hydrodynamic Equations, Laminar Flow, Magnetic Dipoles
Scientific paper
Stationary flows of planetary plasmaspheres are analyzed within the framework of magnetohydrodynamics. The necessary conditions for existence of a laminar axisymmetric plasma flow around the planet are formulated. A general solution of the problem is obtained for a plasma with the magnetic viscosity greatly exceeding the hydrodynamic one. It has been ascertained that the flow features are strongly dependent on the azimuthal component of the magnetic field. Detailed calculations are performed for a magnetic field similar to a dipole. A strong difference between rather slow-rotating plasmaspheres with plasmapauses and rather fast-rotating continuous plasmaspheres has been revealed. Results of the calculations are useful to explain some properties of the Jovian plasmasphere.
Bespalov Peter A.
Chugunov Iu. V.
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