| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Numerical simulation study of ionization characteristics of argon dielectric barrier discharge |
| Guiming Liu(刘桂铭)1, Lei Chen(陈雷)1,†, Zhibo Zhao(赵智博)2, and Peng Song(宋鹏)2 |
1 Liaoning Key Laboratory of Advanced Measurement and Test Technology for Aviation Propulsion System, Shenyang Aerospace University, Shenyang 110136, China;
2 College of Mechanical and Electrical Engineering, Dalian Minzu University, Dalian 116600, China |
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Abstract 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.
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Received: 17 January 2023
Revised: 28 February 2023
Accepted manuscript online: 03 March 2023
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PACS:
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52.80.Tn
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(Other gas discharges)
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52.65.-y
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(Plasma simulation)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos.51509035 and 51409158), the Project of Shenyang Science and Technology Bureau (Grant No.RC200010), and the National Natural Science Foundation of Liaoning Province of China (Grant No.2020-KF-13-03). |
Corresponding Authors:
Lei Chen
E-mail: chenlei@sau.edu.cn
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Cite this article:
Guiming Liu(刘桂铭), Lei Chen(陈雷), Zhibo Zhao(赵智博), and Peng Song(宋鹏) Numerical simulation study of ionization characteristics of argon dielectric barrier discharge 2023 Chin. Phys. B 32 125205
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