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AC plasma current operation in the JET tokamak

B.J.D. Tubbing, N.A.C. Gottardi, B.J. Green, J.A. How, M. Huart, R. Konig, C.G. Lowry, P.J. Lomas, P. Noll, J.J. O'Rourke1992年被引用 46Nuclear FusionIF 3出版社

A full cycle of AC tokamak operation, at a plasma current of ±2 MA, has been demonstrated in JET. The plasma purity in the two half-cycles was equal, with an effective ion charge of two at an average density of 1.2 × 1019 m-3. Dwell times between the two plasmas of between 50 ms and 6 s were obtained. The range of pre-fill pressure for successful breakdown of the second plasma was between 1.5 and 6.0 mPa, comparable to that in normal JET breakdown. Within the range, the second breakdown was not significantly affected by gas release from the vessel walls

日本語訳

JETにおいて、プラズマ電流±2 MAでのACトカマク運転の全周期が実証された。2つの半周期におけるプラズマ純度は同等であり、平均密度1.2 × 10¹⁹ m⁻³において実効イオン電荷数は2であった。2つのプラズマ間の滞留時間は50 msから6 sの範囲で得られた。第2のプラズマの破壊(ブレークダウン)が成功するための予備充填圧力の範囲は1.5〜6.0 mPaであり、これは通常のJET破壊(ブレークダウン)と同等であった。この範囲内では、第2の破壊(ブレークダウン)は容器壁からのガス放出による有意な影響を受けなかった。

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