Mechanism of neoclassical tearing modes triggering by a magnetic perturbation

N. Arcis; S.E. Sharapov

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Mechanism of neoclassical tearing modes triggering by a magnetic perturbation

机译：磁扰动触发新古典撕裂模式的机理

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摘要

A new mechanism whereby Neoclassical Tearing Modes (NTMs) can be triggered through toroidal mode coupling to a magnetic perturbation is proposed. The physical picture is the presence of a relatively small “pre-NTM” magnetic island whose frequency is modified by the perturbation, changing polarization current effects from stabilizing to destabilizing.

机译：提出了一种新机制，通过这种机制可以通过耦合到磁扰动的环形模式来触发新古典主义的撕裂模式（NTM）。实际情况是存在一个相对较小的“ NTM前”磁岛，其磁干扰会改变其频率，从而将极化电流的影响从稳定变为不稳定。

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《Physics Letters, A》 |2008年第36期|共4页
作者
N. Arcis; S.E. Sharapov;
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正文语种 eng
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Neoclassical tearing modes; Seed island; Toroidal mode coupling; Polarization current;

机译：新古典撕裂模式种子岛环模耦合极化电流;

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专利

1. Mechanism of neoclassical tearing modes triggering by a magnetic perturbation [J] . N. Arcis, S.E. Sharapov Physics Letters, A . 2008,第36期

机译：磁扰动触发新古典撕裂模式的机理
2. Influence of externally applied magnetic perturbations on neoclassical tearing modes at ASDEX Upgrade [J] . S. Fietz, A. Bergmann, I. Classen, Nuclear fusion . 2015,第1期

机译：在ASDEX升级时，外部施加的磁扰动对新古典撕裂模式的影响
3. Utilizing resonant magnetic perturbations to enhance neoclassical tearing mode stabilization by rf current [J] . Xiaoguang Wang, Xiaodong Zhang, Qingquan Yu, Nuclear fusion . 2015,第9期

机译：利用共振磁扰动通过射频电流增强新古典撕裂模式的稳定性
4. Numerical study on triggering of neoclassical tearing modes by sawteeth [C] . Q. Yu, S. Günter, K. Lackner EPS Conference on Plasma Physics . 2016

机译：锯齿虫触发新古典撕裂模式的数值研究
5. Efficient numerical calculation of MHD equilibria with magnetic islands, with particular application to saturated neoclassical tearing modes . [D] . Raburn, Daniel Louis. 2011

机译：带有磁岛的MHD平衡的高效数值计算，尤其是在饱和的新古典撕裂模式中。
6. On the interplay between neoclassical tearing modes and nonlocal transport in toroidal plasmas [O] . X. Q. Ji, Y. Xu, C. Hidalgo, -1

机译：关于新古典撕裂模式与环形等离子体中非局部转运的相互作用
7. Utilizing resonant magnetic perturbations to enhance neoclassical tearing mode stabilization by rf current [O] . Xiaoguang Wang, Xiaodong Zhang, Qingquan Yu, 2015

机译：利用谐振磁性扰动来增强RF电流的新古典撕裂模式稳定
8. Mode coupling trigger of neoclassical magnetohydrodynamic tearing modes in tokamaks [R] . Gianakon, T. A., Hegna, C. C., Callen, J. D. 1997

机译：托卡马克斯新古典磁流体动力学撕裂模式的模式耦合触发器

Mechanism of neoclassical tearing modes triggering by a magnetic perturbation

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