Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...154..231p&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 154, no. 1-2, Jan. 1986, p. 231-242.
Astronomy and Astrophysics
Astrophysics
45
Magnetic Field Configurations, Magnetohydrodynamics, Solar Magnetic Field, Faculae, Gas Pressure, Height, Radial Distribution, Twisting
Scientific paper
In the present, expansion technique-based model of the solar atmosphere's magnetic flux tubes, account is taken of the effects of field line curvature, internal structural variations, and the merging of the tube with its contiguous neighbors as it expands (through the use of a small 'seed' magnetic field between the tubes that has no influence on the solution in the limit of vanishing strength). For the solutions obtained, the internal magnetic structure of the tube evolves in height in a nonself-similar manner, although the gas pressure can vary self-similarly for the special case in which internal temperature is both uniform and equal to the external temperature. In the vicinity of the merging height, the field approaches uniformity consistent with a vertical tube with constant cross section.
Pneuman G. W.
Solanki Sami K.
Stenflo Jan Olof
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