Tues 3/25: Kathy Reeves (CfA): Energy Transport and Conversion in Solar Eruptions

in Seminars
March 24th, 2014

Tuesday Lunch

Energy Transport and Conversion in Solar Eruptions

Dr. Kathy Reeves
Harvard/Smithsonian Center for Astrophysics

Tuesday, March 25, 2014
12:10pm CAS 500

Abstract:

Eruptions on the Sun convert an immense amount of energy from magnetic fields into other forms of energy.  In this talk, I will examine the types of energy that are produced during coronal mass ejections and solar flares, and talk about how this energy is transported out into the heliosphere and also into the lower layers of the Sun’s atmosphere.  I will also examine the “current sheet” region of these eruption, where much of the energy conversion takes place.  Observations of this region show hot plasma, as well as turbulent motions, which give clues about the physical processes taking place in this energy conversion region.  MHD models are also useful for understanding the energy partition in this region.