Physics – Plasma Physics
Scientific paper
Oct 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...261..375k&link_type=abstract
Astrophysical Journal, Part 1, vol. 261, Oct. 1, 1982, p. 375-386. NASA-Navy-supported research.
Physics
Plasma Physics
21
Computerized Simulation, Plasma Dynamics, Plasma Jets, Plasma Temperature, Solar Corona, Solar Wind, Chromosphere, Energy Budgets, Mass Distribution, Plasma Acceleration, Plasma Density, Plasma Physics, Solar Atmosphere
Scientific paper
Results are presented of computer simulations of the jets that accelerate through the corona at velocities of 50 to 400 km/s. Particular emphasis is placed on the sensitivity of the induced acceleration to the form in which energy is put into the system. A comparison is made between the observed and predicted physical characteristics of the high-velocity bullets; the potential contribution of the bullets to the mass and energy balance of the solar corona is considered. It is found that the velocity and temperature evolution of the bullets can be modeled successfully by assuming energy input in the form of an external force, pushing continuously on the ejected material. From the physical characteristics of the model bullets and the energy input required to reproduce the observations, it is concluded that the bullets may constitute a significant fraction of the coronal mass flux but only a negligible component of the coronal energy budget.
Boris Jay P.
Brueckner Guenter E.
Karpen Judith T.
Mariska John T.
Oran Elaine S.
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