Correlation between Low-Frequency Fluctuations and Plasma Stored Energy in GAMMA 10
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The instabilities observed in many magnetic confinement devices induce radial particle transport. Density and potential fluctuations were measured using a gold neutral beam probe in GAMMA 10. The plasma stored energy repeatedly increases and decreases during ion- cyclotron range of frequency heating. A drift-type fluctuation was observed in both the density and the potential as the plasma stored energy decreased. These results indicated a correlation between the radial particle transport induced by drift-type fluctuations and decreasing plasma stored energy.
- Plasma and Fusion Research
Plasma and Fusion Research (5), 033-033, 2010
The Japan Society of Plasma Science and Nuclear Fusion Research