Modeling 3-D Solar Wind Structure.pdf

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Ambient Solar Wind • Need to have a model of the ambient solar wind for the CME to propagate into. • Radial magnetic field uses a potential source-surface model and observations from a solar observatory (Wilcox Solar Observatory in the example). • The azimuthal magnetic field uses B ϕ = −Br sin(θ ) Vrot V r • The radial velocity at the Sun uses the Wang-Sheeley- Arge model. • The meridional magnetic field (B θ ) and the meridional and azimuthal flow velocities (V θ and V φ ) are zero.
Source Surface Model and Velocity at 1AU • Results are near solar minimum. • Model has be altered slightly give velocities between 275 and 625 km/s.
Page 1 and 2: Lecture 13 Modeling 3-D 3 D Solar W
Page 3 and 4: Enlil was the Sumarian Lord of the
Page 5 and 6: Formulation of ENLIL: Additional Co
Page 7 and 8: Launch a CME into the Streamer Belt
Page 9 and 10: The Interaction • As the CME pass
Page 11: A Slice Below the Equatorial Plane
Page 15 and 16: Distribution of Solar Wind Paramete
Page 17 and 18: Visualization of Propagating CME
Page 19 and 20: Effect of Time Dependent Solar Mode
Page 21 and 22: Results at Other Locations at 1AU -

Modeling 3-D Solar Wind Structure.pdf

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