Abstract

The aim of the present work is to investigate the effect of gas heating distribution in the gap of dielectric barrier discharge DBD reactor in pure oxygen gas for ozone production. The fluid model combines the means physical processes in the DBD discharge for ozone generation, and the heat transport equation resolution were used for determining the gas temperature profile. The numerical findings of the model are able to predict the evolution of gas temperature in O2 DBD reactor. In order to clarify the influence of the operating conditions of the discharge on the gas temperature, we study this instability phenomenon by varying of the applied voltage, the pressure, the frequency, and the pressure to optimize ozone generation. The results obtained from this study show clearly the rise in gas temperature is mainly depends to the high values of deposited power in DBD reactor. The increase of gas heating in the discharge can affects significantly the efficiency of ozone production.

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