HIGH AND VERY HIGH MODES FROM ENERGY, PARTICLE, AND MOMENTUM TRANSPORT MODELS

被引:67
作者
STAEBLER, GM [1 ]
HINTON, FL [1 ]
WILEY, JC [1 ]
DOMINGUEZ, RR [1 ]
GREENFIELD, CM [1 ]
GOHIL, P [1 ]
KURKISUONIO, TK [1 ]
OSBORNE, TH [1 ]
机构
[1] UNIV TEXAS, AUSTIN, TX 78712 USA
关键词
D O I
10.1063/1.870750
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
Time-dependent simulations of energy, particle, and momentum transport are presented, which show improved confinement similar to the high mode (H mode). The transport model incorporates the suppression of turbulence by sheared flows, which are self-consistently calculated. Constraints on the turbulence model from the time evolution of the temperature, density, and velocity profiles are discussed. A regime similar to the very high confinement mode (VH mode) is found to result at higher heating power due to an increase in the width of the transport barrier. Coneutral beam injection lowers the power required for VH mode substantially due to the toroidal rotation shear. The possible role of edge momentum sources such as ion orbit loss is considered, and a comparison between biased probe-induced and heating-induced H modes is made.
引用
收藏
页码:909 / 926
页数:18
相关论文
共 50 条
[1]   GYROKINETIC ANALYSIS OF ION TEMPERATURE-GRADIENT MODES IN THE PRESENCE OF SHEARED FLOWS [J].
ARTUN, M ;
TANG, WM .
PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1992, 4 (05) :1102-1114
[2]   RADIAL CURRENT IN A TOKAMAK CAUSED BY A BIASED ELECTRODE [J].
ASKINAZI, LG ;
GOLANT, VE ;
LEBEDEV, SV ;
ROZHANSKIJ, VA ;
TENDLER, M .
NUCLEAR FUSION, 1992, 32 (02) :271-277
[3]   INFLUENCE OF SHEARED POLOIDAL ROTATION ON EDGE TURBULENCE [J].
BIGLARI, H ;
DIAMOND, PH ;
TERRY, PW .
PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1990, 2 (01) :1-4
[4]   ORTHOGONAL CONDUCTIVITY OF A TOROIDAL PLASMA [J].
BOOZER, AH .
PHYSICS OF FLUIDS, 1976, 19 (01) :149-152
[5]   PHYSICS OF THE L TO H TRANSITION IN THE DIII-D TOKAMAK [J].
BURRELL, KH ;
CARLSTROM, TN ;
DOYLE, EJ ;
GOHIL, P ;
GROEBNER, RJ ;
LEHECKA, T ;
LUHMANN, NC ;
MATSUMOTO, H ;
OSBORNE, TH ;
PEEBLES, WA ;
PHILIPONA, R .
PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1990, 2 (06) :1405-1410
[6]   PHYSICS OF THE L-MODE TO H-MODE TRANSITION IN TOKAMAKS [J].
BURRELL, KH ;
CARLSTROM, TN ;
DOYLE, EJ ;
FINKENTHAL, D ;
GOHIL, P ;
GROEBNER, RJ ;
HILLIS, DL ;
KIM, J ;
MATSUMOTO, H ;
MOYER, RA ;
OSBORNE, TH ;
RETTIG, CL ;
PEEBLES, WA ;
RHODES, TL ;
STJOHN, H ;
STAMBAUGH, RD ;
WADE, MR ;
WATKINS, JG .
PLASMA PHYSICS AND CONTROLLED FUSION, 1992, 34 (13) :1859-1869
[7]   ELECTRON DIAMAGNETIC EFFECTS ON THE RESISTIVE PRESSURE-GRADIENT-DRIVEN TURBULENCE AND POLOIDAL FLOW GENERATION [J].
CARRERAS, BA ;
LYNCH, VE ;
GARCIA, L .
PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1991, 3 (06) :1438-1444
[8]  
CATTO PJ, 1973, PHYS FLUIDS, V16, P1719, DOI 10.1063/1.1694200
[9]  
Crume, 1989, PLASMA PHYS CONTROLL, V2, P13
[10]   ANOMALOUS MOMENTUM TRANSPORT FROM DRIFT-WAVE TURBULENCE [J].
DOMINGUEZ, RR ;
STAEBLER, GM .
PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1993, 5 (11) :3876-3886