'Induction equation' presentation slideshows

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487 views • 34 slides

George H. Fisher Space Sciences Laboratory University of California, Berkeley

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George H. Fisher Space Sciences Laboratory University of California, Berkeley

The Use of Vector Magnetogram Data in MHD Models of the Solar Atmosphere and Prospects for an Assimilative Model. George H. Fisher Space Sciences Laboratory University of California, Berkeley. (Errors and lack of clarity introduced by Brian T. Welsch).

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Solar Turbulence

Solar Turbulence. Friedrich Busse Dali Georgobiani Nagi Mansour Mark Miesch Aake Nordlund Mike Rogers Robert Stein Alan Wray. Solar Dynamics is driven by Turbulent Convection. Convection transports energy toward the surface through the outer 1/3 of the Sun.

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Heating and Cooling

Heating and Cooling. 10 March 2003 Astronomy G9001 - Spring 2003 Prof. Mordecai-Mark Mac Low. Heating cosmic rays photoionization UV soft X-rays grain photoelectric heating shock heating. Cooling molecular rotation, vibration atomic fine structure, metastable resonance lines

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Modeling Active Region Magnetic Fields on the Sun

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Data-Driven Simulations of AR8210

Data-Driven Simulations of AR8210. W.P. Abbett Space Sciences Laboratory, UC Berkeley SHINE Workshop 2004. Incorporating Observations of Magnetic Fields into MHD Models of the Corona --- the Challenges:.

330 views • 23 slides

Free Energies via Velocity Estimates

Free Energies via Velocity Estimates. B.T. Welsch & G.H. Fisher, Space Sciences Lab, UC Berkeley. In ideal MHD, photospheric flows move mag-netic flux with a flux transport rate , B n u f. (1). Demoulin & Berger (2003): Apparent motion of flux on a surface can arise from

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Consistency between the flow at the top of the core and the frozen-flux approximation

Consistency between the flow at the top of the core and the frozen-flux approximation. Kathy Whaler, University of Edinburgh Richard Holme, Liverpool University. Background. Induction equation in the frozen-flux approximation. Some flow information can be derived directly from this:

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Update: Incorporating Vector Magnetograms into Dynamic Models of the Solar Atmosphere

Update: Incorporating Vector Magnetograms into Dynamic Models of the Solar Atmosphere. CISM-AG Meeting: March 2006 Bill Abbett, Brian Welsch, George Fisher SSL, UC Berkeley. The objective:.

294 views • 17 slides

HMI, Photospheric Flows and ILCT

HMI, Photospheric Flows and ILCT. Brian Welsch, George Fisher, Yan Li, & the UCB/SSL MURI & CISM Teams. Correlation Tracking. Image Deprojection. Output Pipeline. HMI Team Mtg., 2006. M3: Mag Data Products.

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Inductive Flow Estimation for HMI

Inductive Flow Estimation for HMI. Brian Welsch, Dave Bercik, and George Fisher, SSL UC-Berkeley. Estimates of the photospheric electric field E should be useful for understanding flares and CMEs. Poynting flux of magnetic energy goes as ( E x B )

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