Analysis of thermal non-equilibrium in the near-cathode region of atmospheric-pressure arcs
Analysis of thermal non-equilibrium in the near-cathode region of atmospheric-pressure arcs
复制标题
常压电弧近阴极区热不平衡分析
DOI:
10.1088/0022-3727/30/24/014
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发表时间:
1997
期刊:
影响因子:
--
通讯作者:
M. Benilov
中科院分区:
文献类型:
--
作者:
M. Benilov
Deviations from ionization equilibrium in the near-cathode region of a high-pressure high-current arc are analysed. Estimates and numerical calculations are given for an atmospheric-pressure argon arc. It is found that the deviations extend over the distance of about 100 μm from the cathode surface and are caused by ambipolar diffusion; convective transport of the charged particles, barodiffusion, thermal diffusion, diffusion caused by thermal non-equilibrium between electrons and heavy particles, and transport due to the presence of the electric current are minor effects.