| 高能量粒子再分布模型在CFETR上的应用 |
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| 引用本文： | 郝保龙,陈 伟,李国强,王晓静,吴 斌,高 翔,CFETR TEAM.高能量粒子再分布模型在CFETR上的应用[J].核聚变与等离子体物理,2023,43(1):105-111. |
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| 作者姓名： | 郝保龙 陈 伟 李国强 王晓静 吴 斌 高 翔 CFETR TEAM |
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| 作者单位： | (1. 深圳大学新能源研究中心，深圳 518060； 2. 核工业西南物理研究院，成都 610041；
3. 中国科学院等离子体物理研究所，合肥 230031) |
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| 基金项目： | 国家自然科学基金项目(11905142，12075155)；国家磁约束核聚变能发展研究专项(2022YFE03070004，
2019YFE03040004) |
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| 摘 要： | 在中国聚变工程实验堆(CFETR)设计参数下，利用一种高能量粒子(EP)物理简化模型分析了磁流体动力学(MHD)不稳定中新经典撕裂模(NTM)引起的粒子再分布和损失。相位矢量旋转法利用EP相空间中小间隔区域内跟踪探测粒子对来判定粒子轨道随机与否，即记录连接矢量旋转角的方法标记该区域是否存在KAM面破缺，以此为据修正相空间的粒子分布函数和判断粒子损失。利用相空间探测粒子对相位矢量旋转法标记一定NTM幅度下的随机区域分布并迭代得到稳态分布剖面。对捕获粒子区域的共振岛探测结果表明，低频或零频率扰动不会与高能量α粒子形成有效共振，MHD扰动和有效碰撞效应可能使捕获-通行轨道边界附近形成损失通道。
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| 关 键 词： | CFETR α粒子 导心轨道 不稳定性 |
| 收稿时间： | 2020-11-16 |
Application of high energetic particle redistribution model in CFETR |
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| HAO Bao-long,CHEN Wei,LI Guo-qiang,WANG Xiao-jing,WU Bin,GAO Xiang,CFETR TEAM.Application of high energetic particle redistribution model in CFETR[J].Nuclear Fusion and Plasma Physics,2023,43(1):105-111. |
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| Authors: | HAO Bao-long CHEN Wei LI Guo-qiang WANG Xiao-jing WU Bin GAO Xiang CFETR TEAM |
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| Institution: | (1.Advanced Energy Research Center, Shenzhen University, Shenzhen 518060;
2. Southwestern Institute of Physics, Chengdu 610041;
3. Institute of Plasma Physics, Chinese Academy of Science, Hefei 230031) |
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| Abstract: | The work investigated the MHD induced energetic particle loss and redistribution based on
CFETR physics parameters and NTM numerical simulation results. The new method of phase vector rotation is to
determine the KAM surfaces broken or not with following the test orbit pairs and recording the joint vector
rotation in each small domains of phase space, which indicates the orbit stochasticity. The particle redistribution
and loss can be derived with the stochastic template. The work demonstrated the distribution of energetic alpha
particles and obtained the stable particle profile with the method of phase vector rotation. The work did not find
resonant island within trapped particle region, the MHD perturbation and finite collisions can induce a loss
channel near the trapped-passing boundary region of phase space. |
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| Keywords: | CFETR Alpha particle Guiding center orbit Instability |
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