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Coronal magnetic fields produced by photospheric shearThe magneto-frictional method is used for computing force free fields to examine the evolution of the magnetic field of a line dipole, when there is relative shearing motion between the two polarities. It found that the energy of the sheared field can be arbitrarily large compared with the potential field. It is also found that it is possible to fit the magnetic energy, as a function of shear, by a simple functional form.
Document ID
19880003065
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Sturrock, P. A. (Stanford Univ. CA, United States)
Yang, W.-H. (Utah State Univ. Logan., United States)
Date Acquired
September 5, 2013
Publication Date
October 1, 1987
Subject Category
Solar Physics
Report/Patent Number
AD-A188691
CSSA-ASTRO-87-17
NAS 1.26;181514
NASA-CR-181514
Accession Number
88N12447
Funding Number(s)
CONTRACT_GRANT: NGL-05-020-272
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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