大型ヘリカル装置のICRFアンテナと加熱特性

概要

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Ion-cyclotron heating was applied to the Large Helical Device by using single-strap loop antennas located at the outward side of the toroid. Good experimental results were obtained with adequate plasma confining configurations and antenna conditionings. Loading resistance of the antenna was 2-8 Ohm and this was a sufficiently large value. Various heating characteristics were investigated by changing the heating modes, ion species and magnetic field configurations. The minority-ion heating mode resulted in the best heating performances, and the heating characteristics largely depended on the cyclotron resonance positions. There were some unique features due to the heliotron configuration. These results showed the effectiveness of the ICRF heating in a helical device and the appropriateness of the ICRF antenna design in the LHD.
社団法人プラズマ・核融合学会の論文
2001-05-25