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Modelling of streamer propagation in hydrocarbon liquids in point-plane gaps

A model of streamer dynamics in hydrocarbon liquids is developed that accounts for liquid vaporization and formation of a gaseous filament behind the streamer head. Results of simulation of streamer propagation in cyclohexane in a short point-plane gap at various hydrostatic pressures and applied voltages are presented. Obtained characteristics of streamer propagation (streamer velocity, stopping length, electric current) and parameters of streamer plasma (number density of electrons, electric field in streamer channel) are compared with available experimental data.