INFLUENCE OF THE CONCENTRATION OF H-2 ON THE STRUCTURE OF A NANOSECOND DISCHARGE IN DIFFERENT H-2/AIR MIXTURES AT ATMOSPHERIC PRESSURE FOR PLASMA ASSISTED COMBUSTION APPLICATIONS

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Authors

KOBAYASHI Sumire BONAVENTURA Zdeněk THOLIN Fabien POPOV Nikolay BOURDON Anne

Year of publication 2016
Type Article in Proceedings
Conference International Symposium on High Pressure Low Temperature Plasma Chemistry
MU Faculty or unit

Faculty of Science

Citation
Field Plasma physics
Keywords plasma-assisted combustion; 2D simulations; nanosecond discharge; hydrogen-air mixture; detailed chemical kinetics
Description This paper presents 2D simulations of nanosecond pulsed discharges in different H-2/air mixtures at atmospheric pressure. A fluid model is coupled with a detailed kinetic scheme to simulate the discharge dynamics between two point electrodes. For H-2/air mixtures with equivalence ratios between 0.3 and 2, it has been observed that major positive ions produced by the nanosecond discharge are N-2(+), O-2(+) and HN2+. The discharge dynamics is shown to vary only slightly with the equivalence ratio of the H-2/air mixture, which is of interest for plasma assisted combustion applications.
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