Transient Thermal Analysis for Safety of Test Blanket Module for ITER

Based on analyses of the Dual Functional Lithium Lead-Test Blanket Module（DFLL-TBM） submitted to International Thermonuclear Experimental Reactor（ITER） Test Blanket Working Group（TBWG）,the influence to ITER safety was evaluated by analyzing the typical transient accidents related to DFLL-TBM system.The transient accidents include invessel TBM coolant leaks,in-TBM breeder box coolant leaks and exvessel TBM coolant leaks.The results show that DFLL-TBM has the ability to remove the decay heat by thermal radiation when transient accidents occur,and the structures of the TBM would not melt.The DFLL-TBM can meet the ITER safety requirements on thermal aspect.