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文章是关于中国环流器二号A(HL-2A)装置物理设计的总结报告,包括以下几方面的内容:分析计算等离子体截面变形及由截面拉长引起的垂直不稳定性,提出对HL-2A极向磁场线圈电流和控制系统的要求;研究通过中性束注入加热(NBI)和低混杂波电流驱动(LHCD)实现等离子体剖面控制,模拟并设计HL-2A的高性能的运行模式;分析HL-2A先进约束位形(RS位形)下的磁流体力学不稳定性,为实现高性能模式稳态运行的等离子体控制指出方向;同时,利用数值模拟分析HL-2A偏滤器等离子体性能,为偏滤器的改进提供依据。
The article is a summary report on the physical design of China’s Circulator II-A (HL-2A) device. It includes the following aspects: Analysis and calculation of plasma cross-section deformation and vertical instability caused by cross-section elongation, 2A polar magnetic field coil current and control system requirements; study the plasma profile control by neutral beam injection heating (NBI) and low hybrid current drive (LHCD); simulate and design the high performance operation mode of HL-2A; Analyze the MHD instability of the HL-2A advanced confinement (RS) shape and point out the direction of plasma control for high-performance mode steady-state operation. At the same time, the numerical simulation of HL-2A divertor plasma Performance, to provide the basis for the divertor improvement.