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Recent progress in reversed field pinch research in the RFX experiment

机译:RFX实验中反向场收缩研究的最新进展

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The article presents an overview of recent experimental results obtained on the RFX device. The authors obtained and studied a reversed field pinch plasma with a plasma current of up to 1 MA, negligible radiation losses and low effective charge. The local power and particle balance shows that in standard operation the plasma core is dominated by magnetic turbulence and that the global confinement is mainly provided by the edge region, where a strongly sheared radial electric field is present. With poloidal current drive the amplitude of magnetic fluctuations and the thermal conductivity of the plasma core are reduced, leading to improved confinement. Reduced heat transport is also observed when the width of the n spectrum of magnetic fluctuations is reduced.
机译:本文概述了在RFX设备上获得的最新实验结果。作者获得并研究了反向场收缩等离子体,其等离子体电流高达1 MA,辐射损失可忽略不计,有效电荷低。局部功率和粒子平衡表明,在标准操作中,等离子核主要受磁湍流的影响,而整体限制主要由存在强烈剪切的径向电场的边缘区域提供。利用极向电流驱动,减小了电磁起伏的幅度,并降低了等离子芯的热导率,从而改善了封闭性。当减小n个磁波动谱的宽度时,也观察到热传递减少。

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