HL-3 装置台基区边缘局域模的数值模拟研究

doi:10.16568/j.0254-6086.202404015

核工业西南物理研究院 ›› 2024, Vol. 44 ›› Issue (4): 470-476.DOI: 10.16568/j.0254-6086.202404015

HL-3 装置台基区边缘局域模的数值模拟研究

王圣清 1, 2，王占辉 2，唐腾飞 2，徐欣亮 2，陈坚 1，王志斌*1

(1. 中山大学中法核工程与技术学院，珠海 519082；2. 核工业西南物理研究院，成都 610041)

收稿日期:2022-07-15 修回日期:2024-08-04 出版日期:2024-12-15 发布日期:2024-12-12
作者简介:王圣清(1998-)，男，江西赣州人，硕士，从事核技术研究。
基金资助:
国家磁约束核聚变能发展研究专项“聚变堆条件下碰撞率对台基物理的影响研究”(2019YFE03090100，
2018YFE0303102)；四川省科技创新人才项目(2022JDRC0014)

Numerical simulation of edge-localized mode at the pedestal region in the HL-3 tokamak

WANG Sheng-qing1, 2, WANG Zhan-hui2, TANG Teng-fei2,XU Xin-liang2, CHEN Jian1, WANG Zhi-bin1

(1. Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082;
2. Southwestern Institute of Physics, Chengdu 610041)

Received:2022-07-15 Revised:2024-08-04 Online:2024-12-15 Published:2024-12-12

摘要/Abstract

摘要： 基于剥离气球模模型，采用 BOUT++中三场 elm-pb 程序对 HL-3 装置中台基区边缘局域模(ELM)进行了数值模拟。研究结果表明，HL-3 中台基区主导 ELM 的环向模数为 n=25，驱动 ELM 的因素为电流主导的剥离气球模不稳定性，台基剖面垮塌集中在压强梯度最大处。此外，数值模拟结果显示在 HL-3 装置中台基区 ELM 幅值较小，是一种草丛型边缘局域模。

关键词: HL-3 装置, 台基区, 非线性, 草丛型, 边缘局域模

Abstract: Based on the peeling-ballooning model, the edge localized mode (ELM) in the pedestal region of the HL-3 tokamak was simulated by the reduced three-field program, elm-pb, in BOUT++ code. The research results show that the dominant modulus of the ELM in the pedestal of the HL-3 tokamak is around n=25, namely the middle toroidal mode number is dominant. The current-dominated peeling-ballooning mode instability is the driving force of the ELM, and the collapse of the pedestal is concentrated in the position where the pressure gradient is the maximum. In addition, the numerical simulation results show that the ELM amplitude in the pedestal region is rather small, suggesting a grassy ELM.

Key words: HL-3 tokamak, Pedestal, Nonlinear, Grassy, Edge-localized mode

中图分类号:

TL61+2.1

王圣清, 王占辉, 唐腾飞, 徐欣亮, 陈坚, 王志斌. HL-3 装置台基区边缘局域模的数值模拟研究[J]. 核工业西南物理研究院, 2024, 44(4): 470-476.

WANG Sheng-qing, , WANG Zhan-hui, TANG Teng-fei, XU Xin-liang, CHEN Jian, WANG Zhi-bin. Numerical simulation of edge-localized mode at the pedestal region in the HL-3 tokamak[J]. Nuclear Fusion and Plasma Physics, 2024, 44(4): 470-476.

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HL-3 装置台基区边缘局域模的数值模拟研究

Numerical simulation of edge-localized mode at the pedestal region in the HL-3 tokamak

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