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<p>In this paper, 2D model of APPJ array is established to investigate the interaction between jets in He APPJ array and plasma parameter distribution. The effects of gas flow rate, ignition voltage amplitude, and number of dielectric tubes on discharge characteristics were simultaneously investigated. Simulation results indicate that within the mixing zone, the combined effects of gas flow distribution and spatial electric fields cause lateral jets to deflect toward central jet. The intensity and propagation velocity of jets exhibit a distribution pattern where outer regions are higher while inner regions are lower. The ionization mechanisms of side and central jet differ, resulting in higher electron temperatures and charge densities at outer edges and heads, while central jet forms ring-shaped structure.</p>

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Two-Dimensional Simulation of the Discharge Characteristics of He Atmospheric Pressure Plasma Jet Array

  • 期刊论文

  • 发表日期：

    2026年3月31日

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  • Lijun Wang,
  • Junxian Liu,
  • Qinghua Shi,
  • Zhongji Han,
  • Huan Zhao

摘要

In this paper, 2D model of APPJ array is established to investigate the interaction between jets in He APPJ array and plasma parameter distribution. The effects of gas flow rate, ignition voltage amplitude, and number of dielectric tubes on discharge characteristics were simultaneously investigated. Simulation results indicate that within the mixing zone, the combined effects of gas flow distribution and spatial electric fields cause lateral jets to deflect toward central jet. The intensity and propagation velocity of jets exhibit a distribution pattern where outer regions are higher while inner regions are lower. The ionization mechanisms of side and central jet differ, resulting in higher electron temperatures and charge densities at outer edges and heads, while central jet forms ring-shaped structure.