The radial profiles of electrostatic Reynolds stress,plasma poloidal rotations,radial and poloidal electric fields have been measured in the plasma boundary region on the HL 1M tokamak using a multi array of Mach/Lang...The radial profiles of electrostatic Reynolds stress,plasma poloidal rotations,radial and poloidal electric fields have been measured in the plasma boundary region on the HL 1M tokamak using a multi array of Mach/Langmuir probes.During experiments of lower hybrid wave current drive,the variations in LHW drive power will cause changes in the edge electric field,poloidal rotation velocity and Reynolds stress.The results indicate that sheared poloidal flow can be generated in the edge plasma due to radially varied Reynolds stress.展开更多
文摘The radial profiles of electrostatic Reynolds stress,plasma poloidal rotations,radial and poloidal electric fields have been measured in the plasma boundary region on the HL 1M tokamak using a multi array of Mach/Langmuir probes.During experiments of lower hybrid wave current drive,the variations in LHW drive power will cause changes in the edge electric field,poloidal rotation velocity and Reynolds stress.The results indicate that sheared poloidal flow can be generated in the edge plasma due to radially varied Reynolds stress.