Numerical simulation of the extraction of ions from a magnetized plasma

被引：0
|
作者：
N. S. Demidova
V. A. Mishin
机构：
[1] Russian Academy of Sciences,Institute of General Physics
来源：
Technical Physics Letters | 1997年 / 23卷
关键词：
Space Charge; Accelerate Voltage; Electron Component; Electron Emission; Plasma Electron;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The extraction of ions from a magnetized plasma in laser isotope separation systems is analyzed using one-dimensional, time-dependent equations of two-fluid magnetohydrodynamics. It is suggested that electron emission from the cathode may be used to compensate for the ion space charge which limits the rate of extraction. It is shown that at an accelerating voltage of 25 V and an emission current of 2.5 mA/cm2, a plasma with a density of 1011 cm−3 is accelerated to a velocity of 1.5×105 cm/s in 3 µs. In this case, the maximum temperature of the plasma electron component does not exceed 1.5 eV.
引用
收藏
页码：311 / 312
页数：1
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