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Complex of lithium and tungsten limiters for 3 MW of ECR plasma heating in T-10 tokamak. Design, first results

I.E. Lyublinski, A.V. Vertkov, M.Yu. Zharkov, S.V. Mirnov, V.A. Vershkov, Ya.V. Glazyuk, G.E. Notkin, S.A. Grashin, A.Ya. Kislov, A.T. Komov2017年被引用 18Nuclear FusionIF 3出版社

A complex of tungsten and lithium limiters is developed. It is expected that application of W as a plasma facing material will allow excluding carbon influx into the vacuum chamber. An additional Li limiter, arranged in the shadow of the W one, will be used as a Li source. The parameters and design of limiters are presented. The plasma facing surface of the Li limiter is constructed to make use of a capillary-porous system (CPS). The porous matrix of the CPS provides stability of liquid Li surface under magnetohydrodinamic force effects, and facilitates its constant renewal due to capillary forces. It is shown that the upgrade of limiters in tokamak Т-10 will allow the provision of electron cyclotron resonance (ECR) plasma heating with power up to 3 MW at reasonable Li flux. The first results on Li–W experiments with ECR heating are presented and discussed. Li limiter design and limiter arrangement configuration for a steady state operating tokamak with a closed cycle of lithium circulation are considered.

日本語訳

タングステンとリチウムのリミターの複合体が開発された。プラズマ対向材料としてWを適用することで、真空容器への炭素流入を排除できることが期待される。Wリミターの影に配置された追加のLiリミターは、Li源として使用される。リミターのパラメータと設計が提示される。Liリミターのプラズマ対向面は、毛細管多孔質システム(CPS)を利用するように構築されている。CPSの多孔質マトリクスは、磁気流体力学力の効果下での液体Li表面の安定性を提供し、毛細管力によるその恒常的な更新を促進する。トカマクТ-10におけるリミターのアップグレードにより、合理的なLiフラックスで最大3 MWの電子サイクロトロン共鳴(ECR)プラズマ加熱の提供が可能になることが示されている。ECR加熱を用いたLi–W実験の最初の結果が提示され、議論される。リチウム循環の閉サイクルを備えた定常運転トカマクのためのLiリミター設計とリミター配置構成が検討される。

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TungstenLithiumLimiterElectron cyclotron resonancePlasma heating
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