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Compact toroid injection experiment in JFT-2M

T. Ogawa, N. Fukumoto, M. Nagata, H. Ogawa, M. Maeno, K. Hasegawa, T. Shibata, T. Uyama, J. Miyazawa, S. Kasai1999年被引用 32Nuclear FusionIF 3出版社

Compact toroid (CT) injection experiments with H mode plasmas were carried out for the first time in the JFT-2M tokamak. The soft X ray emission profile shows deep CT penetration into the core region of H mode plasmas heated by 1.2 MW NBI as well as in OH plasmas, with a toroidal magnetic field of 0.8 T. The line averaged electron density rapidly increased by Δe ≈ 0.2 × 1019 m-3 at a rate of 4 × 1021 m-3·s-1 in H mode and the fuelling efficiency was roughly 20%. An asymmetric radial profile in the soft X ray emission was produced for ∼50 μs by deep penetration of the CT.

日本語訳

コンパクトトロイド(CT)入射実験をHモードプラズマに対してJFT-2Mトカマクで初めて実施した。軟X線放射プロファイルは、0.8 Tのトロイダル磁場において、1.2 MWのNBIおよびOHプラズマで加熱されたHモードプラズマのコア領域へのCTの深い浸透を示した。線平均電子密度は、Hモードにおいて4×10^21 m^-3・s^-1の速度でΔe≈0.2×10^19 m^-3だけ急速に増加し、燃料供給効率はおよそ20%であった。CTの深い浸透により、軟X線放射の非対称な動径プロファイルが約50μsにわたって生成された。

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