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- Title
Evaluation of ACPs in China Fusion Engineering Test Reactor Using CATE 2.1 Code.
- Authors
Li, Lu; Zhang, Jingyu; Guo, Qingyang; Zhang, Xiaokang; Liu, Songlin; Chen, Yixue
- Abstract
Activated corrosion products (ACPs) are the dominant radiation hazard in water-cooled fusion reactor under normal operation conditions and directly determine the occupational radiation exposure during operation and maintenance. Recently, the preliminary design of China Fusion Engineering Test Reactor (CFETR) has been just completed. Evaluation of ACPs is an important work for the safety of CFETR. In this paper, the ACPs analysis code CATE 2.1 was used to simulate the spatial distribution of ACPs along the blanket cooling loop of CFETR, in which the influence of adopting different pulse handling methods was researched. At last, the dose rate caused by ACPs around the blanket cooling loop was calculated using the point kernel code ARShield. The results showed that the dose rate under normal operation for 1.2 years at contact is 1.02 mSv/h and at 1 m away from pipe is 0.45 mSv/h. And after shutting down the reactor, there will be a rapid decrease of dose rate, because of the rapid decay of short-lived ACPs.
- Subjects
NUCLEAR reactors; NUCLEAR engineering; CORROSION &; anti-corrosives; COOLING systems; RADIATION doses
- Publication
Science & Technology of Nuclear Installations, 2017, p1
- ISSN
1687-6075
- Publication type
Article
- DOI
10.1155/2017/2936069