Optimization simulations of electron cyclotron wave heating and current drive in experimental advanced superconducting tokamak

被引：8

作者：

Wang, Xiaoguang ^{[1
]}

Wu, Bin ^{[1
]}

Hu, Yemin ^{[1
]}

Wang, Jinfang ^{[1
]}

Hu, Chundong ^{[1
]}

Zhang, Xiaodong ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Plasma Phys, Hefei, Anhui, Peoples R China

来源：

PHYSICA SCRIPTA | 2012年 / 86卷 / 06期

基金：

中国国家自然科学基金;

关键词：

NEOCLASSICAL TEARING MODE; COMPLETE SUPPRESSION; ECCD; ITER;

D O I：

10.1088/0031-8949/86/06/065501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A large number of simulations of electron cyclotron heating and current drive (ECCD) were carried out using TORAY before the installation of an electron cyclotron wave system with a maximum of 4MW power and 140 GHz frequency on the experimental advanced superconducting tokamak (EAST). The findings that the range of allowable launch angles is about 50 degrees poloidal and about 60 degrees toroidal, when all the plasma areas of interest are covered, determine the allowable steering angles of the launch mirror under a power deposition rate not less than 0.98. The variable range of the integrated driven current is larger at a radius of 0.5a-0.6a than at other radii. The best scheme for core localized heating is a launch from Z = 30 cm (the vertical mirror position). From an analysis of the optimum figures of merit of the ECCD, it is found that a launch from Z = 30 cm is the best for the suppression of neoclassical tearing modes.

引用

页数：6

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