Research of the capillary structure heat removal efficiency under divertor conditions

Experimental models of capillary structure for liquid metal fusion reactor divertor simulation have been designed, manufactured and tested in order to estimate the behaviour and possibilities of plasma-facing components based on lithium capillary system at long-pulse high heat load. The power load on the capillary target structures up to 50 MW/m(2) was provided by electron beam with electron energy less than or equal to 10 keV, The exposition-time was up to several minutes and was limited by the lithium quantity in the supply vessel, The operation parameters of the models determined in the experiments are in accordance with there design estimations, The tests of various model constructions at the divertor relevant power loads have shown promise for the new concept of a divertor taking into account long life and reliability.