Turbulent coronal heating. II. Twisted flux tube.

Details Turbulent coronal heating. II. Twisted flux tube. Turbulent coronal heating. II. Twisted flux tube.

Apr 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...296..395i&link_type=abstract

Astronomy and Astrophysics, v.296, p.395

Astronomy and Astrophysics

Astrophysics

14

Sun: Corona, Magnetohydrodynamics, Turbulence

Scientific paper

Inverarity et al. extended the model of Hevyaerts & Priest for turbulent coronal heating in a sheared arcade, again achieving the observed levels of heating but with improved mathematical consistency. A similar model for heating in a flux tube twisted by vortical photospheric motions is here developed. Two models for the turbulence are investigated: three-dimensional, helically isotropic turbulence and two-dimensional turbulence, isotropic in the plane perpendicular to the background field. It is found that the three-dimensional turbulence model can reproduce the observed levels of coronal heating. However, the purely two-dimensional model cannot be used when modelling steady-state heating.

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