On the design and role of passive stabilisation within the ST40 spherical tokamak

Buxton P. F.; Asunta O.; Gryaznevich M. P.; Lockley D.; McNamara S.; Medvedev S.; Valdes E. Ruiz de Villa; Whitfield G.; Wood J. M.

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On the design and role of passive stabilisation within the ST40 spherical tokamak

机译：关于ST40球形托卡克中被动稳定化的设计与作用

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The position of passive stabilisation has been optimised for the low aspect ratio tokamak ST40. We find that passive stabilisation is most effective when conductors are placed near the plasma's x-point, and the combined effect of having both inboard and outboard passive stabilisation significantly reduces the vertical instability growth rate. The growth rate can be further decreased by cooling the passive conductors down to 80 K. Two concepts for passive stabilisation are considered, passive plates and passive coils, and the relative advantages and disadvantages of each are discussed. Both concepts involve connecting the upper and lower conductors in an 'anti-symmetric' manner, which prevents large currents from being induced.

机译：被动稳定化的位置已针对低纵横比对Kamak ST40进行了优化。我们发现被动稳定性最有效，当导体放置在等离子体的X点附近时，并且在舷内和外侧被动稳定化的组合效果显着降低了垂直不稳定的生长速率。通过将无源导体冷却至80k，可以进一步降低生长速率。被认为是被动稳定化的两个概念，被动板和被动线圈，以及每个被动线圈，以及每个的相对优缺点。这两个概念都涉及以“反对称”方式连接上部和下导体，这可以防止诱导大电流。

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来源
《Plasma physics and controlled fusion》 |2018年第6期|共7页
作者
Buxton P. F.; Asunta O.; Gryaznevich M. P.; Lockley D.; McNamara S.; Medvedev S.; Valdes E. Ruiz de Villa; Whitfield G.; Wood J. M.;
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作者单位

Tokamak Energy Ltd 120A Olymp Ave Milton Pk OX14 4SA England;

Tokamak Energy Ltd 120A Olymp Ave Milton Pk OX14 4SA England;

Tokamak Energy Ltd 120A Olymp Ave Milton Pk OX14 4SA England;

Tokamak Energy Ltd 120A Olymp Ave Milton Pk OX14 4SA England;

Tokamak Energy Ltd 120A Olymp Ave Milton Pk OX14 4SA England;

Keldysh Inst Appl Math Miusskaya 4 Moscow 125047 Russia;

Tokamak Energy Ltd 120A Olymp Ave Milton Pk OX14 4SA England;

Tokamak Energy Ltd 120A Olymp Ave Milton Pk OX14 4SA England;

Tokamak Energy Ltd 120A Olymp Ave Milton Pk OX14 4SA England;

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原文格式 PDF
正文语种 eng
中图分类等离子体物理学;
关键词
ST40; passive stabilisation; vertical instability;

机译：ST40;被动稳定;垂直不稳定;

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专利

1. On the design and role of passive stabilisation within the ST40 spherical tokamak [J] . Buxton P. F., Asunta O., Gryaznevich M. P., Plasma physics and controlled fusion . 2018,第6期

机译：关于ST40球形托卡克中被动稳定化的设计与作用
2. Neutral beam optimisation for the spherical tokamak ST40 [J] . Salmi A., Gryaznevich M., Buxton P., Fusion Engineering and Design . 2017,第apra期

机译：球形托卡马克ST40的中性光束优化
3. On the energy confinement time in spherical tokamaks: implications for the design of pilot plants and fusion reactors [J] . Buxton P. F., Connor J. W., Costley A. E., Plasma physics and controlled fusion . 2019,第3期

机译：在球形托卡马克斯的能量限制时间：试验厂和融合反应堆设计的含义
4. An overview of Pilot Plant designs based on the advanced tokamak, spherical tokamak and stellarator [C] . Brown T., Bromberg L., Costley A. E., 2011 IEEE/NPSS 24th Symposium on Fusion Engineering . 2011

机译：基于先进托卡马克，球形托卡马克和恒星仪的中试工厂设计概述
5. Theory and Simulations of Compressional and Global Alfven Eigenmode Stability in Spherical Tokamaks [D] . Lestz, Jeff Benjamin. 2020

机译：球形与全球铝合花稳定性的理论与仿真
6. Towards a compact spherical tokamak fusion pilot plant [O] . A. E. Costley -1

机译：迈向紧凑型球形托卡马克聚变中试工厂
7. Feasibility study and design of cherenkov-type detectors for measurements of fast electrons within tokamaks [O] . Jakubowski L., Rabiński M., Stanisławski J., 2007

机译：Cherenkov型探测器在托卡马克中测量快速电子的可行性研究和设计

On the design and role of passive stabilisation within the ST40 spherical tokamak

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