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Activation and Environmental Aspects of In-Vacuum Vessel Components of CFETR

文献类型：期刊论文

作者Zhang Xiaokang1,2; Liu Songlin1; Zhu Qingjun1; Gao Fangfang2; Li Jia2
刊名PLASMA SCIENCE & TECHNOLOGY
出版日期2016-11-01
卷号18期号:11页码:1130-1138
关键词Cfetr Blanket Activation Radioactive Waste
DOI10.1088/1009-0630/18/11/12
文献子类Article
英文摘要The water-cooled ceramic breeder (WCCB) blanket is one of the three candidates of China's Fusion Engineering Test Reactor (CFETR). The evaluation of the radioactivity and decay heat produced by neutrons for the in-vacuum vessel components is essential for the assessment of radioactive wastes and the safety of CFETR. The activation calculation of CFETR in-vacuum vessel components was carried out by using the Monte Carlo N-Particle Transport Code MCNP, IAEA Fusion Evaluated Nuclear Data Library FENDL2.1, and the nuclear inventory code FISPACT-2007 and corresponding EAF-2007 libraries. In these analyses, the three-dimensional (3-D) neutronics model was employed and the WCCB blanket, the divertor, and the shield were modeled in detail to provide the detailed spatial distribution of the neutron flux and energy spectra. Then the neutron flux, energy spectra and the materials specification were transferred to FISPACT for the activation calculation with an assumed irradiation scenario of CFETR. This paper presents the main results of the activation analysis to evaluate the radioactivity, the decay heat, the contact dose, and the waste classification of the radioactive materials. At the time of shutdown, the activity of the WCCB blanket is 1.88 x 10(19) Bq and the specific activity, the decay heat and the contact dose rate are 1.7x10(13) Bq/kg, 3.05 MW, and 2.0x10(3) Sv/h respectively. After cooling for 100 years, 79% (4166.4 tons) radioactive wastes produced from the blanket, divertor, high temperature shield (HTS) and low temperature shield (LTS) need near surface disposal, while 21% (1112.3 tons) need geological disposal. According to results of the contact dose rate, all the components of the blanket, divertor, HTS and LTS could potentially be recycled after shutdown by using advanced remote handling equipment. In addition, the selection of Eurofer97 or RAFM for the divertor is better than that of SS316 because SS316 makes the activity of the divertor-body keep at a relatively high level.
WOS研究方向Physics
语种英语
WOS记录号WOS:000387886700012
资助机构National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; 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National Magnetic Confinement Fusion Science Program of China(2013GB108004 ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; National Natural Science Foundation of China(11175207) ; 2015BG108002 ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/21659]  
专题合肥物质科学研究院_中科院等离子体物理研究所
作者单位1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
2.Univ Sci & Technol China, Hefei 230027, Peoples R China
推荐引用方式
GB/T 7714		 Zhang Xiaokang,Liu Songlin,Zhu Qingjun,et al. Activation and Environmental Aspects of In-Vacuum Vessel Components of CFETR[J]. PLASMA SCIENCE & TECHNOLOGY,2016,18(11):1130-1138.
APA Zhang Xiaokang,Liu Songlin,Zhu Qingjun,Gao Fangfang,&Li Jia.(2016).Activation and Environmental Aspects of In-Vacuum Vessel Components of CFETR.PLASMA SCIENCE & TECHNOLOGY,18(11),1130-1138.
MLA Zhang Xiaokang,et al."Activation and Environmental Aspects of In-Vacuum Vessel Components of CFETR".PLASMA SCIENCE & TECHNOLOGY 18.11(2016):1130-1138.

入库方式： OAI收割

来源：合肥物质科学研究院

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