Applied Chemical Engineering

Simulation of dielectric barrier discharge in argon-helium mixture for investigate the roles of plasma pressure and plasma temperature

Ismail Benchebiba

LGEER Laboratory Faculty of Technology, Hassiba Benbouali University of Chlef, 02000, Algeria

Mohamed Mostefaoui

LGEER Laboratory Faculty of Technology, Hassiba Benbouali University of Chlef, 02000, Algeria

Ahmed Nour El Islam Ayad

Electrical Engineering Department Faculty of Applied Sciences, Kasdi Merbah University of Ouargla, 30000, Algeria

Abdelatif Gadoum

Electrical Engineering Department Faculty of Applied Sciences, Kasdi Merbah University of Ouargla, 30000, Algeria

DOI: https://doi.org/10.59429/ace.v7i4.5584

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Abstract

A one-dimensional fluid model is developed to analyze the effects of temperature and pressure on the characteristics of radiofrequency dielectric barrier discharge plasma. The model is run for an argon-helium mixture, in order to plot the maximum peak values of electron temperature, electric field strength and various species densities including electrons, atoms, ions and excited species as a function of plasma temperature in the range 300-550K, and as a function of plasma pressure in the range 0.2-1atm. The results show that an increase in the plasma temperature leads to an increase in electron temperature and electron density, and a decrease in electric field strength and non-electron species densities. In addition, an increase the plasma pressure leads to a decrease in electron temperature, an increase in electric field strength, and an increase in all species densities.

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