Q-PROFILE MEASUREMENTS IN THE TOKAMAK FUSION TEST REACTOR

被引：83

作者：

LEVINTON, FM ^{[1
]}

BATHA, SH ^{[1
]}

YAMADA, M ^{[1
]}

ZARNSTORFF, MC ^{[1
]}

机构：

[1] PRINCETON UNIV,PRINCETON PLASMA PHYS LAB,PRINCETON,NJ 08543

来源：

PHYSICS OF FLUIDS B-PLASMA PHYSICS | 1993年 / 5卷 / 07期

关键词：

D O I：

10.1063/1.860743

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：

The q-profile plays a key role in determining plasma equilibrium and stability in tokamaks. With the development of the motional Stark effect (MSE) diagnostic, accurate q(R,t) profiles have been measured and utilized for equilibrium and stability analysis. A multichannel MSE polarimeter system on the Tokamak Fusion Test Reactor (TFTR) [Plasma Phys. Controlled Fusion 33, 1509 (1991)] has obtained data for several plasma conditions including L-mode, supershot, current ramps, and high beta(p). For sawtoothing discharges on TFTR, it is found that q(0) approximately 0.7, well below one, and remains below one throughout the entire evolution of the sawtooth cycle with an increase in q(0) of less-than-or-equal-to 0.1 after a sawtooth crash. During high beta(p) operation or coinjection of neutral beams on TFTR a significant broadening of the current profile and an increase of q(0) is observed.

引用

页码：2554 / 2561

页数：8

共 48 条

[41] DETERMINATION OF THE POLOIDAL MAGNETIC-FIELD PROFILES IN A TOKAMAK BY POLARIZATION SPECTROSCOPY OF AN IMPURITY ION LINE [J].

WROBLEWSKI, D ;

HUANG, LK ;

MOOS, HW ;

PHILLIPS, PE .

PHYSICAL REVIEW LETTERS, 1988, 61 (15) :1724-1727

[42] POLARIMETRY OF MOTIONAL STARK-EFFECT AND DETERMINATION OF CURRENT PROFILES IN DIII-D (INVITED) [J].

WROBLEWSKI, D ;

LAO, LL .

REVIEW OF SCIENTIFIC INSTRUMENTS, 1992, 63 (10) :5140-5147

[43] 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

[44] 2-FLUID MAGNETOHYDRODYNAMIC DESCRIPTION OF THE INTERNAL KINK MODE IN TOKAMAKS [J].

ZAKHAROV, L ;

ROGERS, B .

PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1992, 4 (10) :3285-3301

[45] PARALLEL ELECTRIC RESISTIVITY IN THE TFTR TOKAMAK [J].

ZARNSTORFF, MC ;

MCGUIRE, K ;

BELL, MG ;

GREK, B ;

JOHNSON, D ;

MCCUNE, D ;

PARK, H ;

RAMSEY, A ;

TAYLOR, G .

PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1990, 2 (08) :1852-1857

[46] BOOTSTRAP CURRENT IN TFTR [J].

ZARNSTORFF, MC ;

BELL, MG ;

BITTER, M ;

GOLDSTON, RJ ;

GREK, B ;

HAWRYLUK, RJ ;

HILL, K ;

JOHNSON, D ;

MCCUNE, D ;

PARK, H ;

RAMSEY, A ;

TAYLOR, G ;

WIELAND, R .

PHYSICAL REVIEW LETTERS, 1988, 60 (13) :1306-1309

[47]

1989, PLASMA PHYS CONTROLL, V31, P1597

[48]

1988, NUCL FUSION, V28, P1995

← 1 2 3 4 5 →