Effect of the Magnetic Field on the Magnetically Stabilized Gliding Arc Discharge and Its Application in the Preparation of Carbon Black Nanoparticles

被引：0
作者：
Cheng Wang
Zhongshan Lu
Dongning Li
Weiluo Xia
Weidong Xia
机构：
[1] University of Science and Technology,Department of Thermal Science and Energy Engineering
[2] Chinese Academy of Sciences,Hefei Institutes of Physical Science
来源：
Plasma Chemistry and Plasma Processing | 2018年 / 38卷
关键词：
Gliding arc; Magnetic field; Voltage characteristics; Non-equilibrium level; Carbon black nanoparticles;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this study, a cylindrical plasma generator with an axial magnetic field is constructed to obtain the magnetically stabilized gliding arc discharge (MSGAD). Using high speed photography, voltage waveform analysis and spectral diagnostics, the MSGAD physical characteristics, such as arc voltage, rotation speed, electric field, excitation/rotational temperature, etc., are investigated under different magnetic field. The experimental results reveal that as the magnetic field increases, the arc voltage, rotation speed, electric field and non-equilibrium level increase, and the MSGAD is more stable under the larger magnetic field. Additionally, carbon black nanoparticles with “crumpled paper sheet” structure are prepared by the MSGAD. The results indicate that the enhanced magnetic field can promote the transition from amorphous carbon to crystalline graphite. It is inferred that the transition is likely relevant to the rotation speed and electron energy of the arc plasma.
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页码：1223 / 1238
页数：15
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