Abstract
In this paper the results of first experimental study of the pulse discharges in lithium vapour with vanadium electrodes are presented. The goal of the investigation was modelling the conditions on divertor plates with the lithium protection during current disruptions. The electric current was about 2 ka with pulse duration of several milliseconds. The electron temperature estimated from plasma electrical conductivity was about 2.8 eV. The measured erosion rate of the vanadium anode was about 10 −3 g/C. The dimensions of vanadium droplets scraped out from inner surfaces of the discharge tube have been measured.
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