Computer Science
Scientific paper
Jul 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aipc..382..566v&link_type=abstract
Proceedings of the eigth international solar wind conference: Solar wind eight. AIP Conference Proceedings, Volume 382, pp. 566
Computer Science
1
Solar Wind Plasma, Sources Of Solar Wind, Interplanetary Magnetic Fields, Magnetohydrodynamics And Plasmas
Scientific paper
Propagation and evolution of magnetic clouds in the ambient solar wind flow are studied self-consistently using ideal MHD equations in three dimensions. Magnetic clouds as ideal force-free objects (cylinders or spheres) are ejected near the Sun and followed beyond the Earth's orbit. We investigate the influence of various initial parameters like the injection velocity, magnetic helicity, orientation of the clouds' axes, etc., on their propagation and evolution. We demonstrate that the injection velocity has a major influence on propagation. Simulation results are compared with an analytical theory of magnetic cloud evolution (aging) published by Osherovich et al. [1993a] good agreement is found although no need to use a polytropic index less than one (as in the analytical approach) is required.
Detman Thomas
Dryer Murray
Fischer Scott
Pelant P.
Smith Zdenka
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