Radial Electric Field Measurements in Reversed Shear Plasmas
Radial Electric Field Measurements in Reversed Shear Plasmas
复制标题
反向剪切等离子体中的径向电场测量
DOI：
10.1103/physrevlett.80.4887
复制
发表时间：
1998
影响因子：
8.6
通讯作者：
M. Zarnstorff
中科院分区：
文献类型：
--
作者：
F. Levinton;R. Bell;S. Batha;E. Synakowski;M. Zarnstorff
利用动态斯塔克效应诊断技术，在托卡马克聚变试验堆上测量了径向电场。在向增强反向磁剪切模式转变之前，径向电场出现较大的负偏移。的电场是本地化到一个狭窄的空间区域，并没有观察到在放电没有过渡到改进的限制。伴随着径向电场漂移的是在测量的杂质极向旋转速度和突发的磁波动的变化。{版权} {美国物理学会}
Measurements of the radial electric field have been obtained on the Tokamak Fusion Test Reactor utilizing the motional Stark effect diagnostic. A large negative excursion in the radial electric field occurs before the transition to the enhanced reversed magnetic shear mode. The electric field is localized to a narrow spatial region and is not observed in discharges without the transition to improved confinement. Concomitant with the radial electric field excursion is a change in the measured impurity poloidal rotation velocity and bursts of magnetic fluctuations. {copyright} {ital 1998} {ital The American Physical Society}