Bremen 2017 – wissenschaftliches Programm

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P: Fachverband Plasmaphysik

P 23: Low Temperature Plasmas

P 23.12: Poster

Mittwoch, 15. März 2017, 16:30–18:30, HS Foyer

Characterisation of Sub-microsecond Pulsed Discharges in Water — •Raphael Rataj, Jana Kredl, Camelia Miron, Tilo Schulz, Jürgen F. Kolb, and Ronny Brandenburg — Leibniz-Institut für Plasmaforschung und Technologie e.V., Felix-Hausdorff-Str. 2, 17489 Greifswald

Corona-like plasma discharges in water that are instigated with nanosecond high voltage pulses are of great interest for water treatment and novel approaches in green chemistry. Accordingly, much effort has been spent to characterize this type of discharge depending on operating parameters. Physical processes of electrical breakdown and discharge development will be studied in a point-to-plane geometry for the application of defined 100 ns high voltage pulses. Systematic investigations of a single pulse event will include electrical diagnostics, fast imaging by iCCD-cameras and spectroscopy. First results, such as in particular on electrical characteristics and the branching ratios of streamers, will be presented and discussed.

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