Abstract

Non-thermal plasmas have been generated using repetitively operated pulsed power generators, demonstrating the technology's potential in creating discharges relatively easily at atmospheric pressure. Control of plasma jets at atmospheric pressure facilitates a wide range of applications in material modification, medicine, and energy. This paper investigates five factors which affect plasma length under dielectric barrier discharge: applied voltage, current, repetition rate, the size of the coaxial configuration, and gas flow velocity. Helium gas was used for easy observance of light emission.

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