Marginal stability model for the decay of runaway electron current

Boris N. Breizman

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Marginal stability model for the decay of runaway electron current

机译：失控电子电流衰减的边际稳定性模型

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A population of relativistic runaway electrons in a tokamak can grow rapidly via avalanche mechanism and replace the bulk electron current. The runaway current will then decay slowly in line with dissipation of the stored magnetic energy. This decay follows a marginal stability scenario: the inductive electric field is close to the avalanche threshold at every location where the runaway current density is finite, and the current density vanishes at any point where the field is subcritical. This nonlinear 'Ohm's law' yields a complete picture of the evolving profile of runaway current.

机译：托卡马克中的相对论失控电子群体可以通过雪崩机制快速增长，并取代体电子流。然后，失控电流将根据存储的磁能的耗散而缓慢衰减。这种衰减遵循边际稳定性方案：在失控电流密度是有限的每个位置，感应电场都接近雪崩阈值，并且在电场低于临界的任何点，电流密度都将消失。这种非线性的“欧姆定律”可完整显示失控电流的变化曲线。

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来源
《Nuclear fusion》 |2014年第7期|072002.1-072002.5|共5页
作者
Boris N. Breizman;
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作者单位

Institute for Fusion Studies, The University of Texas, Austin, TX 78712, USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
tokamak; disruption; thermal quench; runaway avalanche;

机译：托卡马克破坏热淬火失控的雪崩;

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专利

1. Effect of applied toroidal electric field on the growth/decay of plateau-phase runaway electron currents in DIII-D [J] . E.M. Hollmann, P.B. Parks, D.A. Humphreys, Nuclear fusion . 2011,第10期

机译：施加的环形电场对DIII-D中平稳相失控电子电流的增长/衰减的影响
2. Runaway electron beam stability and decay in COMPASS [J] . Ficker O., Macusova E., Mlynar J., Nuclear fusion . 2019,第9期

机译：电子束中失控的电子束稳定性和衰减
3. Numerical simulation of runaway electrons: 3-D effects on synchrotron radiation and impurity-based runaway current dissipation [J] . del-Castillo-Negrete D., Carbajal L., Spong D., Physics of plasmas . 2018,第5aPta1期

机译：失控电子的数值模拟：3-D对同步辐射的影响和基于杂质的失控电流耗散
4. Measurement of Runaway Electron Beam Composition and Estimate of Resulting Collisional Decay of Runaway Electron Currents in DIII-D [C] . E.M. Hollmann, P.B. Parks, D.A. Humphreys, Conference on Plasma Physics . 2011

机译：Runaway电子束组成的测量和DIII-D中失控电子电流所产生的碰撞衰减的估计
5. Investigations of runaway electron generation, transport, and stability in the DIII-D tokamak. [D] . Tronchin-James, Alexander Nevil. 2011

机译：DIII-D托卡马克中失控电子的产生，传输和稳定性的研究。
6. Modeling the relativistic runaway electron avalanche and the feedback mechanism with GEANT4 [O] . Alexander Broberg Skeltved, Nikolai Østgaard, Brant Carlson, -1

机译：用GEANT4建模相对论失控电子雪崩及其反馈机制
7. On the inward drift of runaway electrons during the plateau phase of runaway current [O] . Hu, Di, Qin, Hong 2016

机译：关于高原期间失控电子的向内漂移失控电流
8. The Application of the Scanning Electron Microscope to Studies of Current Multiplication, Avalanche Breakdown and Thermal Runaway. Part 3 - Thermal Runaway in Multi-Emitter Power Transistors [R] . Sulway, D. V., Thornton, P. R. 1968

机译：扫描电子显微镜在电流倍增，雪崩击穿和热失控研究中的应用。第3部分 - 多发射极功率晶体管的热失控

Marginal stability model for the decay of runaway electron current

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