Numerical modeling of repetitive nanosecond discharge in air
2017
A repetitively pulsed nanosecond glow discharge in a flow of atmospheric pressure air at 2000 K is numerically modelled in the framework of plasma assisted combustion. The plasma is modelled in quasi-neutral approximation with fluid transport and diffusion. In our simulations, 16 species and 115 reactions are considered to model the discharge and the post discharge in air flow, and each phase operates at different time scales. The steady-state regime is reached over 200 cycles from the initial composition at thermodynamic equilibrium. The shape and the electron density of the simulated discharge compare well with experimental measurements.
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