Physics
Scientific paper
Jun 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995sowi.conf..100z&link_type=abstract
Academia Sinica, International Solar Wind 8 Conference, p. 100
Physics
Stellar Mass Ejection, Magnetic Clouds, Shock Waves, Magnetohydrodynamics, Thermal Shock, Magnetic Flux, Magnetic Fields, Digital Simulation, Mathematical Models, Low Pressure, Detonation Waves, Asymmetry
Scientific paper
A fundamental problem in Solar-Terrestrial Physics is the origin of the solar transient plasma output, which includes the coronal mass ejection and its interplanetary manifestation, e.g. the magnetic cloud. The traditional blast wave model resulted from solar thermal pressure impulse has faced with challenge during recent years. In the MHD numerical simulation study of CME, the authors find that the basic feature of the asymmetrical event on 18 August 1980 can be reproduced neither by a thermal pressure nor by a speed increment. Also, the thermal pressure model fails in simulating the interplanetary structure with low thermal pressure and strong magnetic field strength, representative of a typical magnetic cloud. Instead, the numerical simulation results are in favor of the magnetic field expansion as the likely mechanism for both the asymmetrical CME event and magnetic cloud.
He Shuang-Hua
Wang Chi
Zhang Gong-Liang
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