Study of stability of dc glow discharges with the use of Comsol Multiphysics software

被引：20

作者：

Almeida, P. G. C. ^{[1
]}

Benilov, M. S. ^{[1
]}

Faria, M. J. ^{[1
]}

机构：

[1] Univ Madeira, Dept Fis, P-9000 Funchal, Portugal

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2011年 / 44卷 / 41期

关键词：

THERMIONIC CATHODES; TOWNSEND DISCHARGE; SELF-ORGANIZATION; ELECTRODES; TRANSITION; OSCILLATIONS; SIMULATIONS; EMISSION; SPOTS;

D O I：

10.1088/0022-3727/44/41/415203

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Stability of different axially symmetric modes of current transfer in dc glow discharges is investigated in the framework of the linear stability theory with the use of Comsol Multiphysics software. Conditions of current-controlled microdischarges in xenon are treated as an example. Both real and complex eigenvalues have been detected, meaning that perturbations can vary with time both monotonically and with oscillations. In general, results given by the linear stability theory confirm intuitive concepts developed in the literature and conform to the experiment. On the other hand, suggestions are provided for further experimental and theoretical work.

引用

页数：10

共 53 条

[11] Stability of direct current transfer to thermionic cathodes: I. Analytical theory [J].