Abstract

In this research, the decomposition of CO2 in CO2/O2 pulsed discharge was studied. The developed model is based on the physical processes involved in the discharge with the CO2 plasma chemistry, the electrical circuit, and the Boltzmann equations. The fundamental chemistry of CO2/O2 gas mixture used in this work is based on a full set of processes regrouped in 113 reactions involving 21 species of the discharge. The obtained numerical results show the temporal variations of electrical parameters and species concentrations of the discharge. We have also studied the effect of some discharge parameters (gas pressure, dielectric capacitance, applied voltage, concentration of O2 in CO2/O2 gas mixture, and frequency) on the discharge behavior.

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