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在高场球形托卡马克ST40ST40上的软X射线断层扫描

C Colgan¹, H Bohlin¹, P F Buxton¹

¹Tokamak Energy Ltd, Abingdon OX14 4SD, United Kingdom.

The Review of scientific instruments

|October 1, 2024

概括

在ST40球形托卡马克的新诊断中,特征是等离子体能量损失和磁动力学不稳定性. 这项研究通过改善对等离子体限制和辐射的理解,促进了融合能源的发展.

科学领域:

核聚变能源核聚变能源
等离子体物理学的物理学
高场球形托卡马克研究高场球形托卡马克研究

背景情况:

托卡马克能源有限公司运营ST40高场球形托卡马克,作为其商业核聚变电厂发展路线图的一部分.
了解等离子体封闭和核聚变三重产物对于推进核聚变能源至关重要.
诊断能量损失机制对于优化托卡马克性能至关重要.

研究的目的:

扩大高场球形托卡马克的物理基础,通过表征封闭和融合三重产物.
通过使用博洛米特和敏感二极管,研究关键的等离子体能量损失机制.
分析核心磁动力学 (MHD) 活动,例如牙崩,影响等离子体封闭.

主要方法:

部署了一个新的16通道,中平面,触角,利过的二极管阵列.
磁动力学不稳定的分辨率高达100kHz.
辐射概况的断层逆转,与其他ST40诊断方法进行验证.

主要成果:

新的二极管系统成功地解决了MHD的不稳定性.
断层扫描在各种操作场景中提供辐射发射率测量.
诊断系统有助于推断总辐射功率损失和等离子体组成.

结论:

实施的诊断系统增强了ST40.0中等离子体能量损失机制的表征.
对辐射形状的断层分析为等离子体行为提供了有价值的见解.
未来软X射线摄像机的实施将进一步提高核聚变研究的诊断能力.

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