Nonuniform microwave discharge in a nitrogen-hydrogen mixture

被引：0

作者：

Yu. A. Lebedev

T. B. Mavlyudov

V. A. Shakhatov

I. L. Epstein

机构：

[1] Russian Academy of Sciences,Topchiev Institute of Petrochemical Synthesis

来源：

High Temperature | 2010年 / 48卷

关键词：

Electric Field Strength; Discharge Chamber; Nitrogen Molecule; Carbon Nitride; Microwave Discharge;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The method of optical emission spectroscopy is used to investigate the influence of additions of hydrogen on the emission characteristics of a highly nonuniform electrode microwave discharge in nitrogen at a pressure of 1 torr. It is demonstrated that the pattern of the influence made by hydrogen addition (zero to 50% with respect to flow rate of hydrogen) on the intensity of emission bands of nitrogen is different in different parts of the discharge. It is further observed that the influence of hydrogen on the vibrational distribution of nitrogen molecules in the C3Πu state is different C3?uin different parts of the discharge. Analysis is made of various processes involving hydrogen, which affect the emission of nitrogen bands. An inference is made that ion conversion is an important mechanism of such influence. One-dimensional simulation is performed in view of these processes, and it is demonstrated that the experimentally observed effects may be associated with this mechanism.

引用

页码：315 / 320

页数：5

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