Stabilization of resistive wall modes in ITER by active feedback and toroidal rotation

被引：128

作者：

Liu, YQ ^{[1
]}

Bondeson, A

Gribov, Y

Polevoi, A

机构：

[1] Chalmers Univ Technol, EURATOM VR Fus Assoc, Dept Electromagnet, S-41296 Gothenburg, Sweden

[2] ITER Naka Joint Work Site, Phys Unit, Naka, Ibaraki, Japan

来源：

NUCLEAR FUSION | 2004年 / 44卷 / 02期

关键词：

D O I：

10.1088/0029-5515/44/2/003

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：

Two approaches are examined for stabilization of the resistive wall mode (RWM) of toroidal mode number n = 1 in an advanced ITER scenario. Active feedback control, with the present coil design and poloidal sensors placed just inside the inner wall, can be very efficient in stabilizing the RWM. Within the voltage limit of the present design for the feedback coils and conservative constraints on performance, the plasma pressure can be increased up to at least 70% between the no-wall and ideal-wall beta limits. Stabilization of the RWM by toroidal plasma rotation depends on the rotation profile as well as on the model for ion Landau damping. Feedback control of rotating plasmas for the advanced scenario is considered. The effect of the blanket is also studied using a simplified model.

引用

页码：232 / 242

页数：11

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