节点文献
利用环向电场提升等离子体电流以改善约束状态
IMPROVED CONFINEMENT PHASE IN RAMPING UP PLASMA CURRENT BY TOROIDAL FIELD
【摘要】 利用一个小的环向涡旋脉冲电场(4.4V/m,0.45ms)成功地将HT-6M托卡马克等离子体电流从第一平顶(55kA)提升到60kA的第二平顶。其电流上升率大于12MA/s,电流上升时间远小于经典趋肤时间,实验中观察到了标志等离子体约束改善的明显物理现象。等离子体电流提升后,粒子约束时间提高了2.1倍,能量约束时间提高了1.6倍。
【Abstract】 sing a small pulse of toroidal vortex electric field(4.4V / m,0.45ms),plasmacurrent is successfully ramped up from the plateau(55kA) to the second plateau(60kA)with a ramp rate dl_p/dt>12MA/s on a time scale much fast than the clas-sical skin time in the HT-6M Tokamak.The phenomena of improved confinementis observed in the present experiment.Particle confinement time is enhanced 2.1times and energy confinement time, meanwhile,is enhanced 1.6 tines after rampingcurrent up.
- 【文献出处】 物理学报 ,ACTA PHYSICA SINICA , 编辑部邮箱 ,1994年09期
- 【分类号】O532.1
- 【下载频次】70