Abstract
To realize a pulsed-power discharge plasma using a liquid metal, we investigated the dependence of the diameter on the flow velocity of a liquid metal flow consisting of a U-alloy. The plasma temperature was measured using a pyrometric method. The results show that the flow velocity estimated by the parabolic corresponds to a theoretical value derived from the difference between the gas pressure and atmospheric pressure. The diameter of the liquid metal flow was found to be 0.5 to 0.9 times smaller than the nozzle diameter. We have also demonstrated pulsed-power discharge using this liquid metal load by observing optical emission from plasma. The results indicated that a low-temperature plasma was generated by the proposed method.
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