Electrical and mechanical characteristics of nanosecond pulsed sliding dielectric barrier discharges with different electrode gaps

[摘要] This study proposes the characterization of a surface sliding discharge that extends over a length of 80 mm. The gas ionization is caused by series of high voltage pulses with nanosecond rising and decaying times while ion drift is forced by a negative DC component. Different plasma diagnostics such as electrical measurements, iCCD visualizations and strioscopy have been performed. They highlight that a threshold mean electric field between both air-exposed electrodes is required to fully establish a sliding discharge. Compared to a single nanosecond pulsed dielectric barrier discharge, the sliding discharge results in an energy consumption increase. Moreover, the pressure wave induced by the discharge is strongly impacted.

[发布机构] Institut PPRIME, CNRS UPR 3346, Université de Poitiers, ISAE-ENSMA, SP2MI - Téléport2 Bd Marie and Pierre Curie, BP 30179, Futuroscope; 86962, France^1

[效力级别] 数学

[关键词] Dielectric barrier discharges;Electrical measurement;Electrode gap;High voltage pulse;Mechanical characteristics;Pressure waves;Pulsed dielectric barrier discharges;Sliding discharges