Modeling of Coronal Mass Ejection generation and acceleration with a high fidelity multi-fluid code

Details Modeling of Coronal Mass Ejection generation and acceleration with a high fidelity multi-fluid code Modeling of Coronal Mass Ejection generation and acceleration with a high fidelity multi-fluid code

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsh32a..01l&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SH32A-01

Physics

Plasma Physics

[2101] Interplanetary Physics / Coronal Mass Ejections, [7513] Solar Physics, Astrophysics, And Astronomy / Coronal Mass Ejections, [7526] Solar Physics, Astrophysics, And Astronomy / Magnetic Reconnection, [7835] Space Plasma Physics / Magnetic Reconnection

Scientific paper

Results of high fidelity numerical simulations of Coronal Mass Ejection (CME) generation and acceleration via the breakout CME initiation model using the state-of-the-art multi-fluid HiFi modeling framework are presented. The breakout CME initiation mechanism relies on magnetic reconnection as the necessary element in allowing CME flux ropes to elevate from the solar surface and escape through overlying magnetic fields. The global structure and evolution of CME magnetic fields is shown to be closely tied with the reconnection rate and dynamics of the local magnetic reconnection regions. It is shown that the rate of reconnection both in front of and behind the escaping flux rope may be an important factor in determining the acceleration of the CME away from the solar surface. We demonstrate the feedback mechanisms between the global and local scales and describe the properties of the two qualitatively different reconnection sites. *This research is supported by NASA and the Office of Naval Research.

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