Physics – Plasma Physics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsh31b2004r&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #SH31B-2004
Physics
Plasma Physics
[7509] Solar Physics, Astrophysics, And Astronomy / Corona, [7514] Solar Physics, Astrophysics, And Astronomy / Energetic Particles, [7863] Space Plasma Physics / Turbulence
Scientific paper
The dynamics of low β regions of the Solar Corona threaded by a strong magnetic field is well described by Reduced MHD, a quasi two-dimensional limit of MHD. We perform Reduced MHD simulations of both open and closed regions of the solar corona in Cartesian approximation where photospheric motions are imposed at the boundaries. Generally speaking MHD turbulence develops in both cases contributing to the heating of the Corona and the acceleration of the solar wind. We use these simulations to investigate the dynamics of magnetic field-lines, the influence of field-aligned current sheets where magnetic reconnection occurs on field-line connectivity and the stochastic transition between closed and open field-lines. In particular the Reduced MHD theoretical model for Field Line Random Walk (Ruffolo & Matthaeus, in preparation) will be tested.
Matthaeus William H.
Oughton Sean
Rappazzo A. F.
Ruffolo David J.
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