Experimental modal analysis of resistive wall toroidal pinch plasma dynamics

被引：9
|
作者：
Erik, K. [1 ]
Olofsson, J. [1 ]
Brunsell, Per R. [1 ]
Drake, James R. [1 ]
机构：
[1] EES Sch Elect Engn, KTH Royal Inst Technol, Stockholm, Sweden
来源：
NUCLEAR FUSION | 2013年 / 53卷 / 07期
关键词：
STABILITY; MODES; SHELL;
D O I：
10.1088/0029-5515/53/7/072003
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The linearized magnetofluid dynamics of a magnetically confined reversed-field pinch plasma is extracted from a set of perturbative randomized nondestructive experiments. The spectrum of the generically estimated linear time-invariant system is compared to solutions of the corresponding eigenvalue problems formed by the ideal magnetohydrodynamic model. Stable and unstable nonresonant resistive wall modes are accurately identified.
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