Elizabeth Tolman
MIT
Tuesday, April 9, 2019
5:00pm
Next-generation tokamak experiments operating with DT fuel will have a significant population of energetic alphas from fusion. Good confinement of these alpha particles is important to experiment performance. Two effects which can degrade alpha confinement are ripple and Alfvén Eigenmodes. In this tutorial-style talk, we provide a brief introduction to three theoretical and computational methods for studying transport of alphas by these effects: collisionless guiding center calculations, drift-kinetic theory, and Monte Carlo orbit-following codes. In addition, we offer a preview of recent work to advance understanding in these areas.
Plasma Science and Fusion Center
Massachusetts Institute of Technology
77 Massachusetts Avenue, NW17
Cambridge, MA 02139
info@psfc.mit.edu
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