A peer-reviewed journal published by K. N. Toosi University of Technology

Document Type : Research Article


1 Department of Atomic and Molecular Physics, Faculty of Science, University of Mazandaran, Babolsar, Iran

2 Department of Physics and Institute for Plasma Research, Kharazmi University, 49 Dr. Mofatteh Avenue, Tehran, Iran

3 Division of Environmental Physics, Faculty of Mathematics, Physics and Informatics, Comenius University, Mlynská dolina, 84248 Bratislava, Slovakia

4 Plasma Technology Research Core, Faculty of Science, University of Mazandaran, Babolsar, Iran


Plasma technology has undeniably revolutionized industrial processes in recent decades. Atmospheric pressure plasma (APP) has emerged as a prominent and widely applicable tool in various scientific disciplines. Notably, plasma-assisted flow control has become a subject of intense interest, particularly applying surface dielectric barrier discharge (SDBD) plasma actuators for aerodynamic flow control. In this study, a two-dimensional model of the SDBD plasma actuator is developed using the COMSOL Multiphysics program, incorporating air gas discharge reactions with N2/O2/Ar gases in specific ratios (0.78, 0.21, 0.01). The investigation focuses on the impact of dielectric materials (mica, silica glass, quartz, and polytetrafluoroethylene (PTFE)) on plasma characteristics and body force within the plasma actuator under constant input parameters. Moreover, the study explores how variable pressure (760, 660, and 560 torr) in different applications influences plasma properties, ultimately affecting the magnitude of the body force in the plasma actuator. These findings contribute to optimizing plasma technology for flow control applications and enhance industrial efficiency and performance.


  • Impact of dielectric materials on plasma characteristics and body force in an SDBD plasma actuator.
  • The rate of species generation in the plasma actuator is significantly influenced by the dielectric substance.
  • Changing the dielectric material does not make a significant difference in electron temperature.
  • Electron density changes in response to the change in the dielectric material.
  • Ion density is affected by the dielectric material, with mica having the highest ion density and PTFE having the lowest.


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