Activation calculation and radiation analysis for China Fusion Engineering Test Reactor

作者：Chen, Zhi^*; Qiao, Shiji; Jiang, Shuai; Xu, X. George

来源：Fusion Engineering and Design, 2016, 109: 290-293.

DOI：10.1016/j.fusengdes.2016.03.010

• CFETR
• Activation
• Waste disposal rating
• Radiation Safety

The activation calculation and analysis for the China Fusion Engineering Test Reactor (CFETR) will play an important role in its system design, maintenance, inspection and assessment of nuclear waste. Using the multi-particle transport code FLUKA and its associated data library, we calculated the radioactivity, specific activity, waste disposal rating from activation products, nuclides in the tritium breeding blanket, shielding layer, vacuum vessel and toroidal field coil (TFC) of CFETR. This paper presents the calculation results including neutron flux, activation products and waste disposal rating after one-year full operation of the CFETR. The findings show that, under the assumption of one-year operation at the 200 MW fusion power, the total radioactivity inventory will be 1.05 x 10(19) Bq at shutdown and 1.03 x 10(17) Bq after ten years. The primary residual nuclide is found to be Fe-55 in ten years after the shutdown. The waste disposal rating (WDR) values are very low (<< 1), according to Class C limits, CFETR materials are qualified for shallow land burial. It is shown that CFETR has no serious activation safety issue.

• 出版日期2016-11-1
• 单位中国科学技术大学