Eur. Phys. J. Appl. Phys.
Volume 56, Number 2, November 2011Topical Issue: 18th International Colloquium on Plasma Processes (CIP 2011)
|Number of page(s)||4|
|Published online||28 October 2011|
2D simulation of active species and ozone production in a multi-tip DC air corona discharge
Université de Toulouse, Laplace, UMR du CNRS No. 5213, 118, Route de Narbonne, Bât. 3R2, 31062 Toulouse Cedex 9, France
a e-mail: firstname.lastname@example.org
Revised: 19 July 2011
Accepted: 2 September 2011
Published online: 28 October 2011
The present paper shows for the first time in the literature a complete 2D simulation of the ozone production in a DC positive multi-tip to plane corona discharge reactor crossed by a dry air flow at atmospheric pressure. The simulation is undertaken until 1 ms and involves tens of successive discharge and post-discharge phases. The air flow is stressed by several monofilament corona discharges generated by a maximum of four anodic tips distributed along the reactor. The nonstationary hydrodynamics model for reactive gas mixture is solved using the commercial FLUENT software. During each discharge phase, thermal and vibrational energies as well as densities of radical and metastable excited species are locally injected as source terms in the gas medium surrounding each tip. The chosen chemical model involves 10 neutral species reacting following 24 reactions. The obtained results allow us to follow the cartography of the temperature and the ozone production inside the corona reactor as a function of the number of high voltage anodic tips.
© EDP Sciences, 2011
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