对于ITER的动态斯塔克效应诊断.
E L Foley1, F M Levinton1, I U Uzun-Kaymak1
1Nova Photonics, Inc., 211 College Road East, Suite 103, Princeton, New Jersey 08540, USA.
The Review of scientific instruments
|July 25, 2024
概括
运动式斯塔克效应 (MSE) 诊断将测量ITER等离子体中的磁场. 该系统将确定核聚变能源研究中至关重要的安全因子概况.
科学领域:
- 等离子体物理学的物理学
- 核聚变能源工程 核聚变能源工程
- 诊断仪器仪器仪表 诊断仪器仪表
背景情况:
- 国际热核实验反应堆 (ITER) 需要精确的等离子体诊断.
- 精确测量安全因子概况 (q(r)) 对于控制聚变等离子体至关重要.
- 传统的运动斯塔克效应 (MSE) 诊断在ITER恶劣的环境中面临着挑战.
研究的目的:
- 在ITER上展示MSE诊断系统的安装计划.
- 概述在等离子体内实现高分辨率磁场测量的策略.
- 详细介绍制约平衡重建和确定q (r) 形状的方法.
主要方法:
- 使用动态斯塔克效应 (MSE) 诊断来观察中性光束的D/H-α发射.
- 利用磁场中的束原子体验的洛伦茨电场 (v×B).
- 采用斯塔克频谱线移分析来确定磁场大小,克服镜子污染造成的极化问题.
主要成果:
- 在MSE诊断将提供空间局部化的磁场测量.
- 该系统旨在满足对q-profile确定的严格要求:20个辐射点,10毫秒的时间分辨率和<10%的准确性.
- 选择的方法解决了ITER燃烧等离子体环境和潜在的镜子污染所带来的挑战.
结论:
- 对于ITER的运行成功和血控制,MSE诊断是必不可少的.
- 对于ITER环境,需要对测量系统进行仔细的规划和分析.
- 选择了Stark频谱线移方法,以确保ITER可靠的磁场测量.
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