Physics
Scientific paper
Jan 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jgr....90..183s&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 90, Jan. 1, 1985, p. 183-190.
Physics
64
Interplanetary Medium, Shock Wave Propagation, Solar Flares, Solar Radio Bursts, Blasts, Magnetohydrodynamic Waves, Rankine-Hugoniot Relation, Two Dimensional Models
Scientific paper
For several decades, the problem of estimating when a solar flare-initiated shock wave would reach the earth has been considered. In connection with the present investigation, the MHD calculations of Dryer and Wu (1982) have been examined in an attempt to ascertain from their theoretical calculations the characteristics of the behavior of the solar flare-initiated shock front propagation through the interplanetary medium to 1 AU. Dryer and Wu use a two-dimensional nonplanar MHD model which includes all three components of the solar wind plasma and the interplanetary magnetic field in the solar ecliptic plane. In the current study, attention is given to the blast wave shock front concept, the shock front shape, the initially driven shock, the 1972 events, and the kilometric type II events. The solar flare-initiated shock is presented as an initially driven shock which converts to a blast wave in the interplanetary medium.
Shea Margaret Ann
Smart Don Frederick
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