Tokamak Startup Using Point-Source dc Helicity Injection

被引：35

作者：

Battaglia, D. J. ^{[1
]}

Bongard, M. W. ^{[1
]}

Fonck, R. J. ^{[1
]}

Redd, A. J. ^{[1
]}

Sontag, A. C. ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Engn Phys, Madison, WI 53706 USA

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 102卷 / 22期

关键词：

plasma confinement; plasma magnetohydrodynamics; plasma turbulence; Tokamak devices; PEGASUS TOROIDAL EXPERIMENT; PLASMAS;

D O I：

10.1103/PhysRevLett.102.225003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Startup of a 0.1 MA tokamak plasma is demonstrated on the ultralow aspect ratio Pegasus Toroidal Experiment using three localized, high-current density sources mounted near the outboard midplane. The injected open field current relaxes via helicity-conserving magnetic turbulence into a tokamaklike magnetic topology where the maximum sustained plasma current is determined by helicity balance and the requirements for magnetic relaxation.

引用

页数：4

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