Simulation of divertor detachment characteristics in JT-60 with superconducting coils
Simulation of divertor detachment characteristics in JT-60 with superconducting coils
复制标题
JT-60超导线圈偏滤器脱离特性仿真
DOI：
10.1016/s0022-3115(02)01494-0
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发表时间：
2003
影响因子：
3.1
通讯作者：
Y. Miura
中科院分区：
文献类型：
--
作者：
K. Shimizu;T. Takizuka;S. Sakurai;H. Tamai;H. Takenaga;H. Kubo;Y. Miura
JT-60 SC的分离控制能力通过偏滤器代码（SOLDOR/NEUT 2D）进行了验证。在标准操作下，堆芯边缘密度为95%的小半径，nedge=3.2× 1019 m −3，来自堆芯等离子体的功率流Qe=Qi=6 MW，内外低温板的电导Cin=Cout=50 m3/s，内部偏滤器等离子体部分分离，外部偏滤器等离子体附着。内偏滤器可通过150 m3/s的内泵从部分分离状态转变为附着状态。在高密度运行中，得到了完全分离的内偏滤器，其中nsep>4× 1019 m-3，其中nsep是分界线外中面的密度。在稠密冷偏滤器等离子体（ne = 5× 1020 m-3，Te<5eV）中的弹性碰撞对分离起重要作用。
The capability of detachment control in JT-60SC is demonstrated with a divertor code (SOLDOR/NEUT2D). Under the standard operation of the core edge density at 95% of the minor radius, nedge=3.2×1019m−3, the power flow from the core plasma Qe=Qi=6 MW, and the conductance of inner and outer cryopanels Cin=Cout=50 m3/s, the inner divertor plasma is partially detached and the outer divertor plasma attached. The inner divertor can be changed from partially detached to attached plasma by inner pump of 150 m3/s. The fully detached inner divertor is obtained in high density operation with nsep>4×1019m−3, where nsepis the density at the separatrix outer midplane, The elastic collision in a dense and cold divertor plasma (ne⩾5×1020m−3, Te<5 eV) play an important role on detachment.