Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jqsrt..17..711d&link_type=abstract
Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 17, June 1977, p. 711-720.
Astronomy and Astrophysics
Astronomy
3
Astronomical Models, Bremsstrahlung, High Energy Electrons, Hydrogen Plasma, Plasma Heating, Solar Flares, Conductive Heat Transfer, Electron Beams, Fokker-Planck Equation, Plasma Diagnostics, Plasma-Particle Interactions, Radiative Heat Transfer, Temperature Profiles, Time Dependence
Scientific paper
A model has been developed which includes, in a self-consistent fashion, the energy degradation and attendant bremsstrahlung emission of a high-energy electron beam, heating of a flare plasma by the beam, and subsequent cooling by thermal conduction and radiation. To assist in the interpretation of experimental diagnostics, the model also characterizes the radiative behavior of iron ions present in the flare plasma. Electron deposition is described by the Fokker-Planck equation for an initial power-law particle distribution. Results are presented for the bremsstrahlung radiation emitted by the incident beam as it impinges on the disturbed atmosphere. A comparison is made between direct beam heating and thermal-conduction heating of the flare plasma. The radiation emitted by several selected spectral lines of Fe ions is determined as a function of time during and after deposition
Davis Jared
Kepple Paul C.
Strickland Douglas J.
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