On the use of pulsed Dielectric Barrier Discharges to control the gas-phase composition of atmospheric pressure air plasmas
We presents results obtained from the numerical simulation of the gas-phase chemical kinetics in atmospheric pressure air non-equilibrium plasmas. In particular we have addressed the effect of pulsed operation mode of a plane dielectric barrier discharge. It was conjectured that the large difference...
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| Veröffentlicht in: | Journal of physics. Conference series 2014-01, Vol.550 (1), p.12040-10 |
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| creator | Barni, R Biganzoli, I Dell'Orto, E Riccardi, C |
| description | We presents results obtained from the numerical simulation of the gas-phase chemical kinetics in atmospheric pressure air non-equilibrium plasmas. In particular we have addressed the effect of pulsed operation mode of a plane dielectric barrier discharge. It was conjectured that the large difference in the time scales involved in the fast dissociation of oxygen molecules in plasma and their subsequent reactions to produce ozone and nitrogen oxides, makes the presence of a continuously repeated plasma production unnecessary and a waste of electrical power and thus efficiency. In order to test such suggestion we have performed a numerical study of the composition and the temporal evolution of the gas-phase of atmospheric pressure air non-equilibrium plasmas. Comparison with experimental findings in a dielectric barrier discharge with an electrode configuration symmetrical and almost ideally plane is briefly addressed too, using plasma diagnostics to extract the properties of the single micro-discharges and a sensor to measure the concentration of ozone produced by the plasma. |
| doi_str_mv | 10.1088/1742-6596/550/1/012040 |
| format | Article |
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In particular we have addressed the effect of pulsed operation mode of a plane dielectric barrier discharge. It was conjectured that the large difference in the time scales involved in the fast dissociation of oxygen molecules in plasma and their subsequent reactions to produce ozone and nitrogen oxides, makes the presence of a continuously repeated plasma production unnecessary and a waste of electrical power and thus efficiency. In order to test such suggestion we have performed a numerical study of the composition and the temporal evolution of the gas-phase of atmospheric pressure air non-equilibrium plasmas. Comparison with experimental findings in a dielectric barrier discharge with an electrode configuration symmetrical and almost ideally plane is briefly addressed too, using plasma diagnostics to extract the properties of the single micro-discharges and a sensor to measure the concentration of ozone produced by the plasma.</description><identifier>ISSN: 1742-6588</identifier><identifier>EISSN: 1742-6596</identifier><identifier>DOI: 10.1088/1742-6596/550/1/012040</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Atmospheric pressure ; Barometric pressure ; Computer simulation ; Dielectric barrier discharge ; Dielectrics ; Electrodes ; Nitrogen oxides ; Nonequilibrium plasmas ; Ozone ; Phase composition ; Physics ; Planes ; Plasma ; Plasma diagnostics ; Plasmas ; Plasmas (physics) ; Reaction kinetics</subject><ispartof>Journal of physics. Conference series, 2014-01, Vol.550 (1), p.12040-10</ispartof><rights>2014. 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| subjects | Atmospheric pressure Barometric pressure Computer simulation Dielectric barrier discharge Dielectrics Electrodes Nitrogen oxides Nonequilibrium plasmas Ozone Phase composition Physics Planes Plasma Plasma diagnostics Plasmas Plasmas (physics) Reaction kinetics |
| title | On the use of pulsed Dielectric Barrier Discharges to control the gas-phase composition of atmospheric pressure air plasmas |
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