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Rf ion sources for fusion applications: design, development and performance

E Speth, M Ciric, J.H Feist, P Frank, R Wilhelm1999年Fusion Engineering and DesignIF 1.7出版社

AbstractThe use of rf ion sources in neutral beam injection (NBI) systems offers reduced maintenance and cost due to the absence of filaments. For the first time high-power rf positive ion sources have been put in operation recently in a real NBI system on a tokamak. The performance of the new system is equivalent to that of a conventional one with arc discharge sources. Due to the relevance for ITER, rf sources are also being investigated in context with negative ions: 8.5 mA/cm2 H− have been achieved so far in a non-optimised version.

日本語訳

中性ビーム入射(NBI)システムにおけるRFイオン源の使用は、フィラメントが不要なため、メンテナンスとコストの削減を実現する。高出力RF正イオン源が、トカマクの実機NBIシステムにおいて初めて最近運用を開始した。この新システムの性能は、アーク放電源を用いた従来型システムと同等である。ITERとの関連から、RF源は負イオンを用いた文脈でも研究が進められている:最適化されていないバージョンで、これまでに8.5 mA/cm²のH⁻が達成されている。

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