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Calculations of the 3-D Neutronics for ITER HC-SB TBM
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作者 zhang guoshu feng kaiming yuan tao li zengqiang 《Southwestern Institute of Physics Annual Report》 2005年第1期90-91,共2页
China HC-SB TBM is designed as 3×3 sub-modules which making its structure to become robust but much complex. HC-SB TBM box is mounted inside a 20 cm of frame for a 1/4 of 1TER test port with 66.4 cm in width, an... China HC-SB TBM is designed as 3×3 sub-modules which making its structure to become robust but much complex. HC-SB TBM box is mounted inside a 20 cm of frame for a 1/4 of 1TER test port with 66.4 cm in width, and 44.5 cm in height, and 67 cm in depth. There have two 2 cm of gaps on side faces. A frame thickness around TBM module is 20 cm. In module of HC-SB TBM, LiaSiO4 pebble bed is used as tritium breeder zone. The packing factor of LiaSiO4 pebble bed is 0.59. The concentration of Li6 is 80%. Be pebble bed is used as neutron multiplication zone. The packing factor for Be pebble bed is selected as 0.8. All structural materials are Eurofer in which are helium cooling channel with diameter 0.6 cm of circular cross section. All sub-modules have a common FW that is independently cooled. There are only 4 Li4SiO4 regions which is lower volume ratio compared to Be. It is an advantage because Be has a better heat conductivity than Li4SiO4. 展开更多
关键词 Blanket Neutronics TBR
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