Modeling 3-D Solar Wind Structure.pdf
Modeling 3-D Solar Wind Structure.pdf
Modeling 3-D Solar Wind Structure.pdf
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Ambient <strong>Solar</strong> <strong>Wind</strong><br />
• Need to have a model of the ambient solar wind for the<br />
CME to propagate into.<br />
• Radial magnetic field uses a potential source-surface<br />
model and observations from a solar observatory (Wilcox<br />
<strong>Solar</strong> Observatory in the example).<br />
• The azimuthal magnetic field uses B<br />
ϕ<br />
= −Br sin(θ ) Vrot V r<br />
• The radial velocity at the Sun uses the Wang-Sheeley-<br />
Arge model.<br />
• The meridional magnetic field (B θ ) and the meridional<br />
and azimuthal flow velocities (V θ and V φ ) are zero.
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