Effect of plasma motion in disruption on the electromagnetic behavior of a vacuum vessel

Nuclear engineering and design/fusion : an international journal devoted to the thermal, mechanical, materials, structural, and design problems of fusion energy Pub Date : 1985-01-01 DOI:10.1016/0167-899X(85)90035-7

Kimihiro Ioki, Setsuo Niikura, Katsuo Namiki, Fushiki Matsuoka

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引用次数: 8

Abstract

Eddy current and magnetic force analysis during disruption of single-null divertor plasma has been carried out for a vacuum vessel of a tokamak device by using a code system, MATEX, which was developed for this purpose. The electromagnetic behavior during a disruption with plasma motion is emphasized in this study. The large upward or downward force induced on the vacuum vessel is due to midplane-asymmetric poloidal field configuration, and is intensified by vertical plasma motion in disruption. On the other hand, the saddle-like force at the inboard section of the flange is increased by the horizontal plasma motion during disruption. The results indicate that the analysis of the effect of plasma motion is very important to the design of a vacuum vessel and its support structure.

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等离子体运动对真空容器电磁特性的影响

利用专门开发的MATEX编码系统，对托卡马克装置真空容器进行了单零导流器等离子体破坏过程中的涡流和磁力分析。本研究着重于等离子体运动时的电磁行为。在真空容器上产生的巨大的向上或向下的力是由于中平面不对称的极向场结构引起的，并且由于等离子体在断裂中的垂直运动而加剧。另一方面，在破坏过程中，水平等离子体运动增加了翼缘内侧部分的鞍状力。结果表明，等离子体运动对真空容器及其支撑结构的设计具有重要意义。

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Nuclear engineering and design/fusion : an international journal devoted to the thermal, mechanical, materials, structural, and design problems of fusion energy

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