Self-Organized Stationary States of Tokamaks

被引：63
|
作者：
Jardin, S. C. [1 ]
Ferraro, N. [2 ]
Krebs, I. [1 ,3 ]
机构：
[1] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA
[2] Gen Atom Co, San Diego, CA 92186 USA
[3] Max Planck Inst Plasma Phys, Garching, Germany
来源：
PHYSICAL REVIEW LETTERS | 2015年 / 115卷 / 21期
关键词：
ADVANCED SCENARIOS; ASDEX UPGRADE; STABILITY; SHEAR; RECONNECTION; OSCILLATIONS; DISCHARGES; TRANSPORT; PLASMAS; PROFILE;
D O I：
10.1103/PhysRevLett.115.215001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We demonstrate that in a 3D resistive magnetohydrodynamic simulation, for some parameters it is possible to form a stationary state in a tokamak where a saturated interchange mode in the center of the discharge drives a near helical flow pattern that acts to nonlinearly sustain the configuration by adjusting the central loop voltage through a dynamo action. This could explain the physical mechanism for maintaining stationary nonsawtoothing "hybrid" discharges, often referred to as "flux pumping."
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页数：5
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