Ion-Banana-Orbit-Width Efect on Bootstrap Current for Small Magnetic Islands

被引：0
|
作者：
曲洪鹏 [1 ]
机构：
[1] Southwestern Institute of Physics
来源：
Plasma Science and Technology | 2013年 / 09期
基金：
中国国家自然科学基金;
关键词：
NTM; bootstrap current; ion-banana-orbit-width; magnetic island;
D O I：
暂无
中图分类号：
TL631.24 [];
学科分类号：
摘要：
A simple and direct theoretical method has been proposed to investigate the socalled ion-banana-orbit-width(IBW) efect on the bootstrap current in the region of magnetic islands generated by the neoclassical tearing mode(NTM).The result shows that,when the IBW approaches the island width,the(ion) bootstrap current can be partly restored inside the island while the pressure profile is flattened.This can lead to the reduction of the bootstrap current drive on the NTM.The strength of the IBW efect on the NTM is related to the safety factor and the inverse aspect ratio on the rational surface.
引用
收藏
页码：852 / 856
页数：5
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