基于TEQ的固定边界托卡马克等离子体平衡模拟  

Simulation of fixed-boundary tokamak plasma equilibrium with TEQ

作　　者：刘志远[1] 李国强[1] 徐立清[1] 

机构地区：[1]中国科学院等离子体物理研究所,安徽合肥230031

出　　处：《合肥工业大学学报（自然科学版）》2012年第3期412-416,共5页Journal of Hefei University of Technology：Natural Science

基　　金：国家自然科学基金资助项目(10975161);科技部ITER专项课题资助项目(2009GB01001)

摘　　要：文章设计了新的TEQ计算流程,实现了由磁面位置及磁面上磁通值计算网格点上磁通的算法,修正了TEQ求解固定边界托卡马克等离子体平衡时输出g-file的程序,并以EAST装置为基础,用剪切和反剪切2种情况的安全因子、压强分布进行了检验,发现TEQ的结果与EFIT符合得很好,最后用TEQ构建了6组反剪切固定边界平衡,简单分析了压强对磁轴水平位置的影响。A new calculation process of TEQ is designed. An algorithm to calculate magnetic fluxes on grid points with positions of magnetic surfaces and corresponding values of the magnetic fluxes is developed. And the program of outputting g-file is improved for solving the fixed-boundary tokamak plasma equilibrium with TEQ. Based on the EAST device, two groups of safety factor and pressure profile which denote shear and reverse shear respectively are used to test the program. It is shown that the result of TEQ coincides with that of EFIT very well. Finally, six reverse shear fixed-boundary equilibriums are constructed and the effect of pressure on the horizontal coordinate of magnetic axis is analyzed.

关 键 词：TEQ程序 g-file程序 EAST装置 固定边界等离子体平衡 数值模拟 

分 类 号：O539[理学—等离子体物理]