TRANSIENT NONTHERMAL ELECTRON-CYCLOTRON EMISSION PHENOMENA IN HIGH-BETA TFTR PLASMAS

被引:6
作者
TAYLOR, G
FREDRICKSON, E
JANOS, A
机构
[1] Plasma Physics Laboratory, Princeton University, Princeton
关键词
D O I
10.1063/1.1146237
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Intense bursts of nonthermal electron cyclotron emission (ECE), measured with a grating polychromator, have been observed to coincide with edge localized modes in TFTR H-mode plasmas. These bursts contain random 10-150 μs emission spikes. Similar nonthermal ECE bursts or spikes have been observed just before the thermal quench during major disruptions in high β TFTR plasmas. The recent installation of a second fast ECE grating polychromator system, at a different toroidal location, has provided additional data on this bursting phenomenon which suggests that the source of the nonthermal ECE may be highly anisotropic and/or poloidally localized on a helical flux surface. © 1995 American Institute of Physics.
引用
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页码:830 / 832
页数:3
相关论文
共 7 条
[1]   PEAKED DENSITY PROFILES IN CIRCULAR-LIMITER H MODES ON THE TFTR TOKAMAK [J].
BUSH, CE ;
GOLDSTON, RJ ;
SCOTT, SD ;
FREDRICKSON, ED ;
MCGUIRE, K ;
SCHIVELL, J ;
TAYLOR, G ;
BARNES, CW ;
BELL, MG ;
BOIVIN, RL ;
BRETZ, N ;
BUDNY, RV ;
CAVALLO, A ;
EFTHIMION, PC ;
GREK, B ;
HAWRYLUK, R ;
HILL, K ;
HULSE, RA ;
JANOS, A ;
JOHNSON, DW ;
KILPATRICK, S ;
MANOS, DM ;
MANSFIELD, DK ;
MEADE, DM ;
PARK, H ;
RAMSEY, AT ;
STRATTON, B ;
SYNAKOWSKI, EJ ;
TOWNER, HH ;
WIELAND, RM ;
ZARNSTORFF, MC ;
ZWEBEN, S .
PHYSICAL REVIEW LETTERS, 1990, 65 (04) :424-427
[2]   20-CHANNEL GRATING POLYCHROMATOR FOR MILLIMETER WAVE PLASMA EMISSION MEASUREMENTS [J].
CAVALLO, A ;
CUTLER, RC ;
MCCARTHY, MP .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1988, 59 (06) :889-894
[3]   HIGH POLOIDAL BETA-LONG-PULSE EXPERIMENTS IN THE TOKAMAK FUSION TEST REACTOR [J].
KESNER, J ;
MAUEL, ME ;
NAVRATIL, GA ;
SABBAGH, SA ;
BELL, M ;
BUDNY, R ;
BUSH, C ;
FREDRICKSON, E ;
GREK, B ;
JANOS, A ;
JOHNSON, D ;
MANSFIELD, D ;
MCCUNE, D ;
MCGUIRE, K ;
PARK, H ;
RAMSEY, A ;
SYNAKOWSKI, E ;
TAYLOR, G ;
ZARNSTORFF, M ;
BATHA, SH ;
LEVINTON, FM .
PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1993, 5 (07) :2525-2531
[4]  
MCCARTHY MP, 1993, UNPUB 15TH P C FUS T
[5]  
PORTE L, 1991, CONTROLLED FUSIO C 4, V15, P357
[6]   TFTR MICHELSON INTERFEROMETER ELECTRON-CYCLOTRON EMISSION DIAGNOSTIC [J].
STAUFFER, FJ ;
BOYD, DA ;
CUTLER, RC ;
MCCARTHY, MP .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1985, 56 (05) :925-927
[7]   INTENSE ELECTRON-CYCLOTRON EMISSION BURSTS DURING HIGH-POWER NEUTRAL BEAM HEATING ON TFTR [J].
TAYLOR, G ;
BUSH, CE ;
FREDRICKSON, ED ;
PARK, HK ;
RAMSEY, AT .
NUCLEAR FUSION, 1992, 32 (10) :1867-1872