HL-2M常规偏滤器位形抽气对碳杂质分布影响的模拟分析

doi:10.16568/j.0254-6086.202102001

核聚变与等离子体物理 ›› 2021, Vol. 41 ›› Issue (2): 97-104.DOI: 10.16568/j.0254-6086.202102001

• 等离子体物理学 • 下一篇

HL-2M常规偏滤器位形抽气对碳杂质分布影响的模拟分析

周月，郑国尧*，杜海龙，潘宇东，李佳鲜，薛雷，潘卫，黄文玉，薛淼，彭媛媛，曲成海

(核工业西南物理研究院，成都 610041)

收稿日期:2019-12-09 修回日期:2020-01-08 出版日期:2021-06-15 发布日期:2021-06-24
作者简介:周月(1992-)，女，黑龙江人，硕士，主要研究聚变装置偏滤器运行模拟计算工作。
基金资助:
国家自然科学基金(11775071，11575056)；国家磁约束核聚变能发展研究专项(2018YFE0301101，2018YFE030- 1104)

Simulation and analysis of the effect of pumping on carbon impurity distribution in HL-2M conventional divertor

PAN Wei，HUANG Wen-yu, XUE Miao, PENG Yuan-yuan, QU Cheng-hai

(Southwestern Institute of Physics, Chengdu 610041)

Received:2019-12-09 Revised:2020-01-08 Online:2021-06-15 Published:2021-06-24

摘要/Abstract

摘要： 在小角度V型结构的HL-2M常规偏滤器位形下，采用SOLPS 5.0程序研究了抽气速率S_p对装置粒子排除控制能力及溅射产生的碳杂质分布的影响。模拟结果表明，当进入边缘区域的能量为4MW、上游密度为n_sep=3.0×10¹⁹时，过高的抽气速率(大于40m³•s^-1)将迅速降低靶板附近中性粒子压强和等离子体密度，并引起靶板电子温度T_e的上升和表面材料溅射增强，导致有效电荷量Z_eff升高。在抽气速率约为20~40m³×s^-1时，常规偏滤器的粒子排除效率较高。

关键词: SOLPS 5.0, 偏滤器位形, 粒子控制, 热负载, 有效电荷量Z_eff

Abstract: 在小角度V型结构的HL-2M常规偏滤器位形下，采用SOLPS 5.0程序研究了抽气速率S_p对装置粒子排除控制能力及溅射产生的碳杂质分布的影响。模拟结果表明，当进入边缘区域的能量为4MW、上游密度为n_sep=3.0×10¹⁹时，过高的抽气速率(大于40m³•s^-1)将迅速降低靶板附近中性粒子压强和等离子体密度，并引起靶板电子温度T_e的上升和表面材料溅射增强，导致有效电荷量Z_eff升高。在抽气速率约为20~40m³×s^-1时，常规偏滤器的粒子排除效率较高。

Key words: SOLPS 5.0, Standard divertor configuration, Particle control, Heat load, Effective charge Z_eff

中图分类号:

O532+.11

周月，郑国尧*，杜海龙，潘宇东，李佳鲜，薛雷，潘卫，黄文玉，薛淼，彭媛媛，曲成海. HL-2M常规偏滤器位形抽气对碳杂质分布影响的模拟分析[J]. 核聚变与等离子体物理, 2021, 41(2): 97-104.

ZHOU Yue, ZHENG Guo-yao, DU Hai-long, PAN Yu-dong, LI Jia-xian, XUE Lei, PAN Wei，HUANG Wen-yu, XUE Miao, PENG Yuan-yuan, QU Cheng-hai. Simulation and analysis of the effect of pumping on carbon impurity distribution in HL-2M conventional divertor[J]. NUCLEAR FUSION AND PLASMA PHYSICS, 2021, 41(2): 97-104.

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HL-2M常规偏滤器位形抽气对碳杂质分布影响的模拟分析

Simulation and analysis of the effect of pumping on carbon impurity distribution in HL-2M conventional divertor

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