| 摘要: |
| 聚变堆中性束注入系统被动磁屏蔽(PMS)装置的主要作用是保护中性束注入器(NBI)免受来自托卡马克弥散磁场的影响,并保护内部部件免受来自主动防护冷却线圈的辐射影响。本文主要通过comsol有限元分析软件,对简化的PMS装置模型进行磁屏蔽分析。通过分析得出磁屏蔽厚度,装置开孔以及缝隙对磁屏蔽的影响及规律。对未来聚变堆中性束注入系统被动磁屏蔽装置的工程建设提供理论依据。 |
| 关键词: 中性束注入 被动磁屏蔽 有限元分析 |
| DOI： |
| 投稿时间：2024-05-30修订日期：2024-07-27 |
| 基金项目:135CRAFT项目 |
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| Finite element analysis of magnetic shielding efficiency of neutral beam injector in fusion reactor |
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| Abstract: |
| The main role of the passive magnetic shield (PMS) device in the fusion reactor neutral beam injection system is to protect the neutral beam injector (NBI) from the dispersive magnetic field from the Tokamak and to protect the internal components from the radiation from the active protective cooling coils. In this paper, comsol finite element analysis software is used to analyze the magnetic shielding of the simplified PMS device model. The influence and rule of magnetic shield thickness, device opening and gap on magnetic shield are obtained through analysis. The theoretical basis is provided for the engineering construction of passive magnetic shielding device for neutral beam injection system of fusion reactor in the future. |
| Key words: neutral beam injection Passive magnetic shielding Finite element analysis |