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May 22, 2026Physics of Plasmas

Transition of the discharge mode of atmospheric air DBD

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Authors

ZLZhuoli LangFHFeng HeJLJiaxin Li

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Overview

Experimental investigation demonstrates the factors influencing discharge mode in dielectric barrier discharge.

Key Points

  • The aim is to investigate the transition of discharge modes in asymmetric dielectric barrier discharge at atmospheric pressure.
  • Conducted experiments with different dielectric materials, including Al2O3 ceramic and quartz.
  • Varied discharge conditions such as gas gap width, dielectric thickness, and gas composition.
  • Simulated discharge process using a one-dimensional fluid model.
  • Found that a higher secondary electron emission coefficient helps suppress electron multiplication.
  • Discharge conditions favoring a gas gap smaller than 0.3 mm and relatively low applied voltage promote uniform glow DBD.
  • Transition was analyzed based on whether the electron multiplication factor reached the criterion for streamer formation.

Cite This Study

Lang et al. (2026) studied this question.

synapsesocial.com/papers/6a0ff3aed674f7c03778c76ehttps://doi.org/10.1063/5.0323518
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