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Science and Technology and Nuclear Installations Volume 2017 ,2017-01-09
Evaluation of ACPs in China Fusion Engineering Test Reactor Using CATE 2.1 Code
Research Article
Lu Li 1 Jingyu Zhang 1 Qingyang Guo 1 Xiaokang Zhang 2 Songlin Liu 2 Yixue Chen 1
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DOI:10.1155/2017/2936069
Received 2016-09-23, accepted for publication 2016-11-29, Published 2016-11-29
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摘要

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.

授权许可

Copyright © 2017 Lu Li et al. 2017
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

图表

The production mechanism of corrosion products.

The transport process of ACPs based on three-node model.

Different handling methods of pulse.

Schematic of CFETR blanket loop.

The specific activity of In-Flux region with EP method.

The specific activity of In-Flux region with SS method.

The specific activity of In-Flux region with CP method.

The comparison of different handling methods of pulse.

Variation tendency of CPs mass over time from CATE.

Variation tendency of ACPs activity over time from CATE.

通讯作者

Yixue Chen.School of Nuclear Science and Engineering, North China Electric Power University, Beijing 102206, China, ncepu.edu.cn.yxchen1972@126.com

推荐引用方式

Lu Li,Jingyu Zhang,Qingyang Guo,Xiaokang Zhang,Songlin Liu,Yixue Chen. Evaluation of ACPs in China Fusion Engineering Test Reactor Using CATE 2.1 Code. Science and Technology and Nuclear Installations ,Vol.2017(2017)

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