Radiographic Investigation of Metal-Puff Plasma Jets Generated by Vacuum Arcs

被引：6

作者：

Rousskikh, Alexander G. ^{[1
]}

Artyomov, Anton P. ^{[1
]}

Zhigalin, Alexander S. ^{[1
]}

Fedyunin, Anatoly V. ^{[1
]}

Oreshkin, Vladimir I. ^{[1
]}

机构：

[1] RAS, High Energy Dens Dept, Inst High Current Elect, SB, Tomsk 634055, Russia

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2018年 / 46卷 / 10期

基金：

俄罗斯基础研究基金会;

关键词：

Metal-puff Z-pinch; plasma jet; X-pinch radiography; X-PINCH; ANGARA-5-1; FACILITY; MAGNETIC-FIELD; WIRE; ARRAY; EXPANSION; IMPLOSION;

D O I：

10.1109/TPS.2018.2849205

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：

5 The structure of the plasma jet of a vacuum arc discharge was investigated using different experimental arrangements for jet formation. To examine the external shape and internal structure of the plasma jet, optical imaging and pulsed X-ray radiography were used. The latter is the most informative method for investigating the density distribution in a dense plasma jet. This diagnostic, combined with a step wedge, provides a way of analyzing quantitatively the plasma jet structure. As the X-ray source for radiography, an X-pinch was used. The measured surface density of an aluminum plasma jet ranged up to 340 mu g/cm(2). The arc discharge current and the plasma jet current were measured with Rogowski coils. The experiment has shown that in the case of a plasma gun with return current posts; a pinch effect arises which provides for the formation of a confined plasma jet.

引用

页码：3487 / 3492

页数：6

共 22 条

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Rousskikh, A. G.
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