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Volume 4 – Issue 2 – 2023

Original Research Article

Peculiarities Of Dielectric Barrier Discharge In Millimeter Range Air Discharge Gap

V.V. Parashchuk*, V.A. Lyushkevich, S.V. Goncharik, I.I. Filatova

B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus, Minsk, Nezavisimosti Ave., 68-2, (BELARUS)

PAGE NO: 125-128


The relevance of the article under consideration is due to the fact that it optimizes the conditions for obtaining non-thermal plasma at atmospheric pressure using a dielectric barrier discharge (DBD) in a packet-pulse excitation mode. This type of discharge is widely used in practice as an effective method for modifying various media. It is shown that for a discharge gap of the millimeter range (~3 mm) in atmospheric air, under certain conditions, a number of new plasma phenomena are possible – the effects of an increase in the density (total number) of filamentary discharges over time, both unchanged and with a decrease in the area of the filaments, as well as the formation of new complex space-time structures. An interpretation of this phenomenon is proposed. Homogeneous diffuse discharges are obtained in a standard electrode configuration with a single dielectric.