Energy of Plasma Flows Accelerated in a Current Sheet as a Function of the Current Flowing through the Sheet

被引：8

作者：

Frank, A. G. ^{[1
]}

Kyrie, N. P. ^{[1
]}

Markov, V. S. ^{[1
]}

Voronova, E. V. ^{[1
]}

机构：

[1] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow 117942, Russia

来源：

PLASMA PHYSICS REPORTS | 2018年 / 44卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

3-DIMENSIONAL MAGNETIC CONFIGURATIONS; RECONNECTION; DYNAMICS; FIELD; LINE;

D O I：

10.1134/S1063780X1806003X

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The energy of directed plasma flows accelerated in a current sheet is studied experimentally as a function of the current flowing through the sheet. It is found that the plasma flow energy rapidly increases with increasing current amplitude, nearly according to a power law with an exponent of 1.8-1.9. Using relations for the neutral current sheet and the concept of plasma acceleration under action of the AmpSre forces, the energy of directed plasma flows is estimated as a function of the total current flowing through the sheet. It is shown that, as the current rises, the ion energy grows due to an increase in both the AmpSre forces and the width of the current sheet within which plasma is accelerated.

引用

页码：551 / 558

页数：8

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