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Initial results from solenoid-free plasma start-up using Transient CHI on QUEST

K Kuroda, R Raman, K Hanada, M Hasegawa, T Onchi, M Ono, B A Nelson, T R Jarboe, M Nagata, O Mitarai2018年Plasma Physics and Controlled FusionIF 2.2出版社

Initial results from the recently implemented transient coaxial helicity injection (CHI) system on QUEST are reported. QUEST uses a new CHI electrode configuration in which the CHI insulator is not part of the vacuum boundary, making this configuration easier to implement in fusion reactors. Experimental results show that transient CHI startup in this alternate electrode configuration is indeed possible. Reliable gas breakdown was achieved, and toroidal currents up to 45 kA were generated.

日本語訳

最近実施されたQUESTにおける過渡同軸ヘリシティ入射(CHI)システムの初期結果を報告する。QUESTは、CHI絶縁体が真空境界の一部を構成しない新しいCHI電極構成を採用しており、この構成により核融合炉への実装が容易になる。実験結果は、この代替電極構成における過渡CHI立ち上げが実際に可能であることを示している。信頼性の高いガス絶縁破壊が達成され、最大45 kAのトロイダル電流が生成された。

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