Research Paper: Effect of Electrode Configuration on Electrical and Thermal Characteristics of Cold Atmospheric Pressure Surface Dielectric Barrier Discharge Plasma Devices

Document Type : Research Paper

Authors

1 Instructor, Institute for Plasma Research and Plasma Medicine, Kharazmi University, Tehran, Iran

2 Associate Professor, Institute for Plasma Research and Plasma Medicine, Kharazmi University, Tehran, Iran

3 M. Sc. Graduated, Institute for Plasma Research and Plasma Medicine, Kharazmi University, Tehran, Iran

Abstract

The geometrical configuration of the electrode significantly affects the physical and chemical properties of the discharge. This article presents the influence of cold atmospheric pressure Surface Dielectric Barrier Discharge (SDBD) plasma structures with square, hexagonal, and circular configurations, developed at the Plasma Research Institute of Kharazmi University, and their profound effects on the device's power consumption, the uniformity of micro-discharges (MD), and the plasma production temperature. Increasing the number of corner points in the electrode design led to an increase in discharge power. Experiments showed that the uniformity of the Surface Dielectric Barrier Atmospheric Micro-Discharge (SDBAMD) was strongly influenced by the electrode structure, with the most uniform discharge observed when the electrode configuration was circular. Additionally, our analysis demonstrates that different electrode configurations can alter the plasma temperature, ultimately affecting the application of this atmospheric cold plasma generation source. Finally, the results indicate that surface dielectric barrier discharge devices with circular electrode configurations exhibit the highest power consumption, the most uniform micro-discharge, and the lowest production temperature.

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References

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Iranian Journal of Applied Physics

Articles in Press, Accepted Manuscript
Available Online from 30 September 2024

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History

  • Receive Date: 04 September 2024
  • Revise Date: 30 September 2024
  • Accept Date: 24 September 2024

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