Progress of Optimization and Modification of China ITER Helium-Cooled Solid Breeder TBM

In this paper,scientific and experimental values of DEMO breeding blanket（DEMO-BB） on International Thermonuclear Experimental Reactor（ITER）,functional objectives and general testing strategy,and etc.for Testing Blanket Module（TBM） on ITER are summarized.The design procedures are introduced and discussed emphatically from 2003 to 2010,such as the progress of general structure,the optimization of neutronics,thermo-hydraulics and electro-magnetic structure for China Helium Coolant Solid Breeder（HCSB） TBM.Finally,some important design experiences are summarized.