Study on overall operation features of tokamak plasma with lower hybrid current drive

摘要

We apply the C-S-D model to analyze the overall consistency features between the core plasma operation and the SOL-divertor plasma operation of tokamak plasma with lower hybrid current drive. The basic property of the overall operation for tokamak plasma is impurity seeding, gas puffing in the edge of the device and bootstrap current for the consistency operation are investigated. Results show that increasing the impurity radiation,gas puffing in edge region and raising the bootstrap current fraction are effective methods for improving the overall operation region for the tokamak plasma.