High-β performance of the START spherical tokamak

被引：40

作者：

Sykes, A ^{[1
]}

Akers, R

Appel, L

Carolan, PG

Conway, NJ

Cox, M

Field, AR

Gates, DA

Gee, S

Gryaznevich, M

Hender, TC

Jenkins, I

Martin, R

Morel, K

Morris, AW

Nightingale, MPS

Ribeiro, C

Robinson, DC

Tournianski, M

Valovic, M

Walsh, MJ

Warrick, C

机构：

[1] UKAEA Euratom Fus Assoc, Culham Lab, Abingdon OX14 3DB, Oxon, England

[2] Univ Essex, Colchester CO4 3SQ, Essex, England

[3] Walsh Sci Ltd, Abingdon OX14 2RT, Oxon, England

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 1997年 / 39卷

关键词：

D O I：

10.1088/0741-3335/39/12B/019

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：

Using additional heating provided by neutral-beam injection, the START spherical tokamak at UKAEA Fusion Culham has achieved high-beta (ratio of volume average plasma pressure to vacuum magnetic-field pressure) values of beta(T) greater than or equal to 30%, more than twice the value previously obtained in a tokamak. These plasmas reach normalized beta values of beta(N) = beta%/(I/aB) similar to 4 at values of auxiliary heating power comparable to the ohmic power. Operation at high normalized current I-N = I-p/aB(T) similar to 8 is observed, so that the plasma current exceeds the central rod toroidal-field current for the first time in a hot tokamak.

引用

页码：B247 / B260

页数：14

共 26 条

[1]

AKERS R, 1996, P 16 IAEA C MONTR 19

[2] Fast charged-coupled device spectrometry using zoom-wavelength optics [J].

Carolan, PG ;

Conway, NJ ;

Bunting, CA ;

Leahy, P ;

OConnell, R ;

Huxford, R ;

Negus, CR ;

Wilcock, PD .

REVIEW OF SCIENTIFIC INSTRUMENTS, 1997, 68 (01) :1015-1018

[3]

DARKE AC, 1995, P 16 S FUS EN CHAMP, V2, P1456

[4]

GARSTKA GD, 1996, COMMUNICATION

[5] ERATO STABILITY CODE [J].

GRUBER, R ;

TROYON, F ;

BERGER, D ;

BERNARD, LC ;

ROUSSET, S ;

SCHREIBER, R ;

KERNER, W ;

SCHNEIDER, W ;

ROBERTS, KV .

COMPUTER PHYSICS COMMUNICATIONS, 1981, 21 (03) :323-371

[6]

GRYAZNEVICH M, 1997, P 24 EPS C BERCH 1 A, V21, P245

[7]

GRYAZNEVICH M, UNPUB PHYS REV LETT

[8] RECONSTRUCTION OF CURRENT PROFILE PARAMETERS AND PLASMA SHAPES IN TOKAMAKS [J].

LAO, LL ;

STJOHN, H ;

STAMBAUGH, RD ;

KELLMAN, AG ;

PFEIFFER, W .

NUCLEAR FUSION, 1985, 25 (11) :1611-1622

[9]

LAZARUS E, 1992, PHYS FLUIDS B-PLASMA, V4, P11

[10]

LUTJENS H, 1992, COMPUT PHYS COMMUN, V69, P242

← 1 2 3 →