Tomography of full sawtooth crashes on the Tokamak Fusion Test Reactor

被引:59
作者
Nagayama, Y [1 ]
Yamada, M [1 ]
Park, W [1 ]
Fredrickson, ED [1 ]
Janos, AC [1 ]
McGuire, KM [1 ]
Taylor, G [1 ]
机构
[1] PRINCETON UNIV, PLASMA PHYS LAB, PRINCETON, NJ 08543 USA
关键词
D O I
10.1063/1.872025
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
Full sawtooth crashes in high temperature plasmas have been investigated on the Tokamak Fusion Test Reactor (TFTR) [Plasma Phys. Controlled Fusion 33, 1509 (1991)]. A strong asymmetry in the direction of major radius, a feature of the ballooning mode, and a remaining m=1 region after the crash have been observed with electron cyclotron emission image reconstructions. The TFTR data is not consistent with two-dimensional (2-D) models; it rather suggests a three-dimensional (3-D) localized reconnection arising on the bad curvature side. This process explains the phenomenon of fast heat transfer which keeps the condition q(0)< 1. (C) 1996 American Institute of Physics.
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收藏
页码:1647 / 1655
页数:9
相关论文
共 27 条
[22]   SAWTOOTH RECONNECTION [J].
WESSON, JA .
NUCLEAR FUSION, 1990, 30 (12) :2545-2549
[23]   SAWTOOTH OSCILLATIONS [J].
WESSON, JA .
PLASMA PHYSICS AND CONTROLLED FUSION, 1986, 28 (1A) :243-248
[24]   MAGNETIC RECONNECTION OF PLASMA TOROIDS WITH COHELICITY AND COUNTERHELICITY [J].
YAMADA, M ;
ONO, Y ;
HAYAKAWA, A ;
KATSURAI, M ;
PERKINS, FW .
PHYSICAL REVIEW LETTERS, 1990, 65 (06) :721-724
[25]   INVESTIGATION OF MAGNETIC RECONNECTION DURING A SAWTOOTH CRASH IN A HIGH-TEMPERATURE TOKAMAK PLASMA [J].
YAMADA, M ;
LEVINTON, FM ;
POMPHREY, N ;
BUDHY, R ;
MANICKAM, J ;
NAGAYAMA, Y .
PHYSICS OF PLASMAS, 1994, 1 (10) :3269-3276
[26]   DIAGNOSTICS FOR INVESTIGATION OF MAGNETIC RECONNECTION IN SAWTOOTH CRASH ON TFTR [J].
YAMADA, M ;
NAGAYAMA, Y ;
DAVIS, W ;
FREDRICKSON, E ;
JANOS, A ;
LEVINTON, F .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1992, 63 (10) :4623-4626
[27]  
YAMADA M, 1995, AGU MONOGRAPH, P215