Neutronics analysis of minor actinides transmutation in a fusion-driven subcritical system
作者： Liangzhi Cao , Hongchun Wu , Youqi Zheng , Tiejun Zu , Chao Yang
DOI: 10.1016/J.FUSENGDES.2013.04.021
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摘要: Abstract The minor actinides (MAs) transmutation in a fusion-driven subcritical system is analyzed this paper. reactor driven by tokamak D-T fusion device with relatively easily achieved plasma parameters and technologies. MAs discharged from the light water (LWR) are loaded zone. Sodium used as coolant. mass percentage of reprocessed plutonium (Pu) fuel raised 0 to 48% stepped 12% determine its effect on transmutation. lesser Pu loaded, larger rate is, but smaller energy multiplication factor is. neutronics analysis two loading patterns performed compared. pattern where regions 15% 32.9% respectively conducive improvement fraction within limits burn-up. final can reach 17.8% after five years irradiation. multiple recycling investigated. about 61.8% six times recycling, goes up 86.5% 25.
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