Electron energy distribution function during second harmonic ECRH plasma breakdown

A. Cappa; F. Castejon

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Electron energy distribution function during second harmonic ECRH plasma breakdown

机译：二次谐波ECRH等离子体击穿过程中的电子能量分布函数

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In this paper, the effect of electron–electron (e–e) collisions on second harmonic electron cyclotron resonance plasma breakdown is studied. A previously developed kinetic model for stellarators has been completed by means of a collision operator derived from the Fokker–Planck equation. It is shown that, although e–e collisions are not important for initial growth rate predictions and play a minor role in the breakdown time calculation, they must be considered if a realistic evolution of the electron energy distribution function is desired. Moreover, it is seen that the introduction of the e–e collision processes is needed in order to obtain a correct description of the power balance during breakdown.

机译：在本文中，研究了电子-电子（e-e）碰撞对二次谐波电子回旋共振等离子体击穿的影响。通过从Fokker-Planck方程得出的碰撞算子，已经完成了先前为恒星的动力学模型。结果表明，尽管电子碰撞对初始增长率的预测并不重要，并且在击穿时间的计算中起着很小的作用，但是如果需要电子能量分布函数的真实演化，就必须考虑它们。此外，可以看出，需要引入e-e碰撞过程，以便获得对击穿过程中功率平衡的正确描述。

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来源
《Nuclear fusion》 |2004年第3期|p. 406-413|共8页
作者
A. Cappa; F. Castejon;
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作者单位

Laboratorio Nacional de Fusión, Asociación Euratom-CIEMAT para Fusión, Madrid, 28040, Spain;

Laboratorio Nacional de Fusión, Asociación Euratom-CIEMAT para Fusión, Madrid, 28040, Spain;

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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
中图分类原子核物理学、高能物理学;
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Electron energy distribution function during second harmonic ECRH plasma breakdown

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