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Kinetics of relativistic runaway electrons

B.N. Breizman, P.B. Aleynikov2017年被引用 19Nuclear FusionIF 3出版社

This overview covers recent developments in the theory of runaway electrons in tokamaks. Its main purpose is to outline the intuitive basis for first-principle advancements in runaway electron physics. The overview highlights the following physics aspects of the runaway evolution: (1) survival and acceleration of initially hot electrons during thermal quench, (2) effect of magnetic perturbations on runaway confinement, (3) multiplication of the runaways via knock-on collisions with the bulk electrons, (4) slow decay of the runaway current, and (5) runaway-driven micro-instabilities. The scope of the reported studies is governed by the need to understand the behavior of runaway electrons as an essential physics element of the disruption events in ITER in order to develop an effective runaway mitigation scheme.

日本語訳

この概要は、トカマクにおける逃走電子の理論に関する最近の進展を扱う。その主な目的は、逃走電子物理学における第一原理に基づく進展のための直感的な基礎を概説することである。この概要は、逃走電子の進展の以下の物理的側面を強調する:(1)熱クエンチ中の初期高温電子の生存と加速、(2)逃走電子の閉じ込めに対する磁場摂動の影響、(3)バルク電子とのノックオン衝突による逃走電子の増倍、(4)逃走電流の緩やかな減衰、および(5)逃走電子駆動の微視的不安定性。報告された研究の範囲は、効果的な逃走電子緩和策を開発するために、ITERにおけるディスラプション事象の本質的な物理要素としての逃走電子の挙動を理解する必要性によって決定される。

装置

iter低精度(概要文一致)

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Runaway electron
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