PLASMA POINTS AND RADIATIVE COLLAPSE IN VACUUM SPARKS

被引：133

作者：

KOSHELEV, KN ^{[1
]}

PEREIRA, NR ^{[1
]}

机构：

[1] BERKELEY RES ASSOCIATES INC,SPRINGFIELD,VA 22150

来源：

JOURNAL OF APPLIED PHYSICS | 1991年 / 69卷 / 10期

关键词：

D O I：

10.1063/1.347551

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

This review discusses the intense x-ray emitting regions, called plasma points, that appear in low-inductance vacuum sparks and other high-current discharges. Accurate x-ray spectroscopy indicates the existence of two types of plasma points with different plasma parameters. One type is extremely small (approximately microns), dense (approximately 10(23)/cm3), and hot (greater-than-or-similar-to 1 keV), while the second type is an order of magnitude less extreme. A dynamic model (Vikhrev 1982A) based on radiation cooling with axial outflow of plasma predicts a radiative collapse that is consistent with many features of the plasma points.

引用

页码：R21 / R44

页数：24

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