The effects of magnetic structure on the conduction cooling of flare loops

Details The effects of magnetic structure on the conduction cooling of flare loops The effects of magnetic structure on the conduction cooling of flare loops

Feb 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979soph...61..115v&link_type=abstract

Solar Physics, vol. 61, Feb. 1979, p. 115-120.

Physics

1

Conductive Heat Transfer, Magnetic Effects, Magnetic Field Configurations, Solar Cooling, Solar Flares, Plasma Dynamics, Solar Magnetic Field, Stellar Models

Scientific paper

A model of the sheared magnetic field in a coronal loop is used to evaluate the average cross-field suppression of axial thermal conduction. If the energy source is uniform in radius, this can lead to heat-flux reduction by a factor greater than three. When the source is annular, in a region of radius where the current density and shear are peaked, the effect can be significantly larger. In one extreme case, however, in which magnetic tearing provides the heating in a very narrow layer, the spatial resonance of the source excitation in a long loop leads to approximately axial conduction.

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