Some Mechanisms of SiO2 Micro-tubes Formation in Plasma Jet

被引：0
|
作者：
Ioan Bica
机构：
[1] West University of Timişoara,Faculty of Physics
来源：
Plasma Chemistry and Plasma Processing | 2003年 / 23卷
关键词：
Micro-tubes; argon plasma jet; diffusion processes; vapor molar concentration; relative molar flux;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A chamotte rod is transformed in vapors through chemical reactions, at temperatures exceeding 5000 K. SiO2 micro-tubes formation is determined by a low vapor concentration and a stable vapor flow, along the streamlines of the plasma jet, and, respectively, by the difusion processes, in non-stationary regime, inside the liquid membrane. A mass of SiO2 vapor, in the range of 0.5×10−8 kg–10×10−8 kg, allows one to obtain micro-tubes with the outer diameter between 6.2 and 28.8 μm and the inner diameter between 3.8 and 12.2 μm.
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页码：175 / 182
页数：7
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