Study of a dielectric barrier discharge burner for plasma assisted combustion

Abstract

In this short communication we report the results of measurements of the number densities of O3, NO and NO2 in the afterglow of a dielectric barrier discharge. Detailed modelling of plasma processes in a DBD is a challenging task and this data is necessary for verification of numerical model. The DBD in air produced only [O3] up to ~1016 cm-3 and [NO] up to ~5×1014 cm-3 that increased with discharge power linearly. In air fuel mixtures [O3] was an order of magnitude smaller, it decreased with [CH4]. In methane-air mixture NO was not detected, but [NO2] up to ~1015 cm-3 appeared instead.