Page 27 - Progress minimizing fast-ion charge-exchange loss associated with gas injection on C-2W
P. 27
Radial mirror throat gas injection increases core ne
1e19 1.50
1.25 1.00 0.75 0.50 0.25 0.00
0.0
19.5 ms
20.5 ms
21.5 ms
22.5 ms
23.5 ms
24.5 ms
25.5 ms
26.5 ms
27.5 ms
6 5 4 3 2 1 0
midplane
1e18
mirror throat
Abel-inverted interf. Thomson scattering
0.2 0.4 Radius [m]
0.6
0.8
0.10
14.0 ms
24.0 ms
0.05
0.00 0.05 0.10 Y (Radius) [m]
• Radial mirror throat gas injection starts at 19 ms.
• Midplane ne increased on-axis.
• Mirror throat ne remains peaked.
• Suggests ionization near axis, consistent with modeling.
Presenter: Erik Granstedt
24
ne [m 3]
Mirror ne [m 3]
