Effect of self-induced magnetic force in a coronal loop transient

Details Effect of self-induced magnetic force in a coronal loop transient Effect of self-induced magnetic force in a coronal loop transient

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...245..704y&link_type=abstract

Astrophysical Journal, Part 1, vol. 245, Apr. 15, 1981, p. 704-710.

Physics

22

Coronal Loops, Magnetohydrodynamics, Plasma Acceleration, Solar Corona, Solar Magnetic Field, Transient Response, Buoyancy, Centrifugal Force, Force Distribution, Lines Of Force, Magnetic Flux, Pressure Gradients, Skylab Program, Solar Physics

Scientific paper

The distribution of the self-induced magnetic force in a section of a model coronal loop is examined and it is found that an axial current produces a pointwise magnetic force in the direction toward the axis of the loop. The direction of the pointwise magnetic force indicates that the effect of this force, acting alone, is to cause a contraction of the cross section of the magnetic loop toward the axis, but not the translation motion of the loop as a whole. It is concluded that forces other than the self-induced magnetic force, such as thermal force of pressure gradient or extra-induced magnetic force of magnetic buoyancy, must be involved in the acceleration mechanisms for the heliocentrifugal motion of coronal transients.

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