The impact of static magnetic perturbations on edge localized modes

被引：3

作者：

Mou, M. L. ^{[1
,2
]}

Huang, J. ^{[1
,2
]}

Wu, N. ^{[1
,2
]}

Chen, S. Y. ^{[1
,2
]}

Tang, C. J. ^{[1
,2
]}

机构：

[1] Sichuan Univ, Coll Phys Sci & Technol, Chengdu 610065, Peoples R China

[2] Sichuan Univ, Key Lab High Energy Dens Phys & Technol, Minist Educ, Chengdu 610064, Peoples R China

来源：

PHYSICS LETTERS A | 2016年 / 380卷 / 33期

基金：

中国国家自然科学基金;

关键词：

Edge localized modes; Static magnetic perturbations; Mitigation mechanism;

D O I：

10.1016/j.physleta.2016.05.047

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The physics of edge localized modes (ELMs) mitigated by static magnetic perturbations (SMPs) with a toroidal mode number n = 0 is studied. Three -field reduced magnetohydrodynamics (MHD) equations are solved by BOUT++ code. In the simulation, an effective mitigation of ELM has been observed when SMPs are added. A new mechanism of ELM mitigation is proposed that n = 0 SMPs can excite a wide toroidal mode spectrum through E x B shearing rate which diminishes turbulent transport in the nonlinear phase. The mechanism is confirmed by the simulation results and relevant physical analysis in this paper. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：2544 / 2548

页数：5

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