Numerical simulation study of ionization characteristics of argon dielectric barrier discharge

被引:1
|
作者
Liu, Guiming [1 ]
Chen, Lei [1 ]
Zhao, Zhibo [2 ]
Song, Peng [2 ]
机构
[1] Shenyang Aerosp Univ, Liaoning Key Lab Adv Measurement & Test Technol Av, Shenyang 110136, Peoples R China
[2] Dalian Minzu Univ, Coll Mech & Elect Engn, Dalian 116600, Peoples R China
基金
中国国家自然科学基金;
关键词
dielectric barrier discharge; particle distribution properties; electron density; electron temperature; 52.80.Tn; 52.65.-y;
D O I
10.1088/1674-1056/acc0f8
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
In order to better analyze the characteristics of particle distribution and its influencing factors in the ionized space during the process of coaxial dielectric barrier discharge, a self-designed two-dimensional axisymmetric structure exciter was used to carry out optical diagnosis, with the electron temperature calculated through Gaussian fitting. A plasma model was applied to conduct research on the discharge process through numerical simulation, with the changes in electron density and electron temperature were analyzed by using different discharge parameters. The research results show that with an increase in discharge voltage, pressure inside the reactor and relative permittivity, the discharge process is promoted. In addition, a rise in current density leads to an increase in the number of charged particles on the surface of the medium during the discharge process, while a rise in discharge intensity causes an increase in the electron density. Electron temperature decreases due to the increased loss of collision energy between particles. These results were confirmed by comparing experimental data with simulation results.
引用
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页数:8
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