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Setup conditions for very low q tokamak discharges

Z. Yoshida, Y. Murakami, H. Morimoto, J. Matsui, D. Nagahara, S. Takeji, N. Inoue1990年被引用 7Nuclear FusionIF 3出版社

The setup conditions for a very low q (surface safety factor less than 2) tokamak have been studied. For the startup of a very low q discharge, the rate of rise of the current should be higher than a limiting value; this value is a function of the plasma density and is almost independent of the strength of the toroidal magnetic field. Because of the relatively high ramping rate of the current, the distribution of the safety factor assumes a hollow profile during the startup phase.

日本語訳

非常に低いq(安全係数が2未満)のトカマクのための設定条件が研究された。非常に低いq放電の立ち上げには、電流の立ち上がり速度が限界値より高くなければならない。この値はプラズマ密度の関数であり、トロイダル磁場の強さにはほぼ依存しない。電流の立ち上がり速度が比較的高いため、立ち上げ段階では安全係数の分布が中空の形状を呈する。

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