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Effect of self-induced magnetic force in a coronal loop transientThe 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.
Document ID
19810050803
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Yeh, T.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Dryer, M.
(NOAA, Space Environment Laboratory, Boulder Colo., United States)
Date Acquired
August 11, 2013
Publication Date
April 15, 1981
Publication Information
Publication: Astrophysical Journal
Subject Category
Astrophysics
Accession Number
81A35207
Funding Number(s)
CONTRACT_GRANT: NOAA-NA-80RAC00057
CONTRACT_GRANT: NASA ORDER S-59811
Distribution Limits
Public
Copyright
Other

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