Evaluation of rotational and vibrational temperatures of nanosecond pulsed surface discharge on water

摘要

This study deals with the plasma temperature of nanosecond pulsed surface discharge on water. The rotational and vibrational temperatures of the discharge were evaluated by emission spectrum of N second positive system band. The temperature was obtained by fitting the measured distribution with the simulation results. As a result, the rotational and vibrational temperatures were evaluated approximately 1000 K and 2000 K, respectively. The temperatures were stable irrespective of the applied voltage and current.