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Experimental test of the system of vertical and longitudinal lithium limiters on T-11M tokamak as a prototype of plasma facing components of a steady-state fusion neutron source

S.V. Mirnov, A.M. Belov, N.T. Djigailo, A.S. Dzhurik, S.I. Kravchuk, V.B. Lazarev, I.E. Lyublinski, A.V. Vertkov, M.Yu. Zharkov, A.N. Shcherbak2015年被引用 30Nuclear FusionIF 3出版社

A new functional model of the prototype of closed Li circuit for protection of the chamber wall was tested in T-11M tokamak by simultaneous use of the vertical Li limiter as an emitter of Li and a new longitudinal Li limiter as its collector. Such technological scheme can be suggested for the steady-state fusion neutron source on the tokamak basis. During plasma shots the cryogenic target of T-11M collected Li flow emitted by the vertical capillary Li limiter almost completely (up to 80%). These Li and hydrogen isotopes were captured and extracted outside the tokamak vacuum chamber without venting of the vessel which is a key requirement for the use of Li in the steady-state tokamak reactor.

日本語訳

閉じたLi回路の原型の新機能モデルが、T-11Mトカマクにおいて、垂直リチウムリミッタをLiのエミッタとして、新たな縦型リチウムリミッタをそのコレクタとして同時に使用することにより試験された。このような技術的スキームは、トカマクベースの定常核融合中性子源に対して提案され得る。プラズマ放電中、T-11Mの極低温ターゲットは、垂直キャピラリーリミッタによって放出されたLi流をほぼ完全に(最大80%)収集した。これらのLiおよび水素同位体は、真空容器を大気に開放することなく、トカマク真空容器外で捕獲・抽出された。これは、定常トカマク炉におけるLi使用の主要な要件である。

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LithiumPlasma-facing componentSteady stateLimiterNeutron sourceFusion neutronFusion neutron source
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