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Neutronic optimization for a blanket of the laser fusion reactor,SENRI-I
Authors:H. Nakashima  Y. Kanda  S. Ido
Affiliation:(1) Department of Energy Conversion Engineering, Kyushu University, Kasuga, 816 Fukuoka, Japan;(2) Institute of Laser Engineering, Osaka University, Suita, 565 Osaka, Japan
Abstract:Neutronic calculations were performed to optimize the SENRI blanket in terms of energy multiplication as well as tritium breeding ratio. The blanket employs a thick (sim 64-cm) Li layer as breeder/coolant. Three approaches were taken here to achieve the goal: (1) reduction of6Li in the lithium, (ii) replacement of the Li layer by a molten-salt (flibe) layer, and (iii) shipment of excess tritium to a nonbreeding blanket. It was found that the excess tritium produced in the SENRI blanket could be used effectively to obtain additional power by fueling a nonbreeding D-T reactor.
Keywords:optimization  SENRI  blanket  tritium  breeding  energy multiplication  molten salt  nonbreeding  hybrid  support ratio
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