Page 16 - Progress minimizing fast-ion charge-exchange loss associated with gas injection on C-2W
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TAE code1 models fast ions, charge exchange loss
0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0
0.8 0.6 0.4 0.2 0.0
3210123
Z [m] 0.2
• Monte-Carlo sampling of neutral 0.4
beam injection, attenuation
• Uses realistic grid geometry, divergence, and reactions
• Tracks fast ions in B, E fields
using Boris push
0.6 0.8
0.8 0.6 0.4
0.2 0.0 0.2 0.4 X [m]
0.6 0.8
• Exctract orbit-averaged neutral density and CX rates
1Dettrick, S., et. al. Winter Workshop on Energetic Particles 2013
Presenter: Erik Granstedt
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Y [m]
R [m]
