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Negative theta-pinch with reversed bias field

K.I. Sato, R. Akiyama, Y. Osanai, T. Aizawa, I. Kawakami1981年被引用 1Nuclear FusionIF 3出版社

The heating efficiency of a negative theta-pinch with reversed bias field is studied by comparing it with that of an ordinary theta-pinch. For this purpose, a high-voltage Z-discharge pre-heat system with short current duration was developed, and by using the highly ionized pre-heat plasma with good reproducibility as the initial plasma, a comparison with the heating in negative and ordinary theta-pinches was carried out. The plasma energy and ion temperature were measured by a magnetic probe and a fast-neutral-particle detector. These measurements show that the heating efficiency in the negative theta-pinch is comparable to that in the ordinary theta-pinch with reversed bias field. Accordingly, the negative theta-pinch is an ideal method of producing and confining energetic plasma in the reversed-field configuration (RFC).

日本語訳

負のシータピンチにおける反転バイアス磁場の加熱効率を、通常のシータピンチと比較することによって研究した。この目的のために、短い電流持続時間を持つ高電圧Z放電予備加熱システムを開発し、再現性の良い高電離予備加熱プラズマを初期プラズマとして用いて、負および通常のシータピンチにおける加熱の比較を行った。プラズマエネルギーとイオン温度は、磁気プローブと高速中性粒子検出器によって測定された。これらの測定により、負のシータピンチにおける加熱効率は、反転バイアス磁場を持つ通常のシータピンチにおけるそれに匹敵することが示された。したがって、負のシータピンチは、反転磁場配位(RFC)において高エネルギー・プラズマを生成し閉じ込めるための理想的な方法である。

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