Computer Science – Numerical Analysis
Scientific paper
Aug 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980soph...67..181b&link_type=abstract
Solar Physics, vol. 67, Aug. 1980, p. 181-188.
Computer Science
Numerical Analysis
Magnetohydrodynamic Waves, Particle Acceleration, Proton Flux Density, Solar Flares, Solar Physics, Cyclotron Resonance, Damping, Numerical Analysis, Proton Energy, Solar Flux Density, Stellar Models, Surface Energy
Scientific paper
The possibility that solar flare proton fluxes are limited in magnitude by saturation effects inherent to the acceleration mechanism is explored. If cyclotron damping of Alfven waves acts to accelerate protons, the criterion that the damping time is comparable to the acceleration time provides a fast particle number density at which protons load the wave spectrum. The limiting flux at 1 AU is obtained by a volume integration over the acceleration region and redistribution into an interplanetary emission cone. A simplified explosion model permits a delineation between volume and surface acceleration mechanisms in terms of a temporal parameter, the effective duration of acceleration. It is concluded that the limiting flux may be a realistic concept, but that further investigation is warranted to sharpen the criterion.
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