The Effects of Temperature and Oxygen Concentration on Repetitive Pulse Streamer Discharge

Repetitive pulse streamer discharge is widely used in surface treatment and pollutant removal. Under repetitive pulsed discharge conditions, variations in temperature and oxygen concentration not only influence the behavior of individual pulse streamer discharge, but also affect the overall discharge stability and intensity through inter-pulse interactions. This work analyzes the impact of temperature and oxygen concentration on repetitive pulse streamer discharge through the numerical simulation. The results show that higher temperatures significantly increase electron density and positive ion density, enhancing discharge intensity, while increased oxygen concentration reduces electron and ion generation. This study provides a theoretical foundation for investigating the influence mechanisms of temperature and oxygen concentration in the repetitive pulsed streamer discharge process and holds significant application value for enhancing discharge stability and controlling energy deposition.