The Arcad-3 project and the theory of auroral structures

Details The Arcad-3 project and the theory of auroral structures The Arcad-3 project and the theory of auroral structures

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989cajph..67..719g&link_type=abstract

Canadian Journal of Physics (ISSN 0008-4204), vol. 67, July 1989, p. 719-732.

Physics

6

Auroral Arcs, Ionospheric Drift, Satellite Observation, Space Plasmas, Field Aligned Currents, Ionospheric Ion Density, Magnetohydrodynamics, Soviet Satellites, Transport Theory

Scientific paper

Some results of the Soviet-French Arcad-3 project (Aureol-3 satellite) are reviewed and discussed. The system of MHD equations (up to the second moments, neglecting the others), with a rigorous account of all drifts and currents or trapping, in a curved and convergent field tube is derived for a particle population with a bi-Maxwellian particle distribution and with T(perpendicular) not equal to T(parallel). Its first four integrals are derived for a particular case, when spatial variations of the electric field are much more rapid than those of any other macroscopic parameters or their products. Sample calculation results for a two-dimensional geometry in limited areas of the meridional plane with simplest boundary conditions are shown for illustration.

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