In this paper, a closed loop concept, which is composed of two heat exchangers with same scale, pipes, valves and one tank, has been developed as a passive containment cooling system for a large dry concrete containment. The system is designed to maintain the containment integrity by taking the heat drained into the containment following a severe accident, e.g. LOCA or MSLB. Under different conditions in containment, the system may operate in single phase mode or two phase mode. According to the design limitation of containment, the fixed temperature boundary condition is applied to the system analysis. We have developed the codes for the analysis of the system by ourselves. The operating behaviors of the system are studied numerically from startup to long term operation. In the light of the fact that the fraction of steam in the containment may be changing during the accident scenario, it is reasonable that the heat transfer coefficient will be different. Therefore, the sensitivity analysis of the heat transfer coefficient is also performed. Based on the results and corresponding analysis, it can be concluded that the system may be utilized to meet the design purpose for the containment integrity requirement.
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2013 21st International Conference on Nuclear Engineering
July 29–August 2, 2013
Chengdu, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-5581-2
PROCEEDINGS PAPER
Study on the Behaviors of a Conceptual Passive Containment Cooling System
Jianjun Wang,
Jianjun Wang
Harbin Engineering University, Harbin, Heilongjiang, China
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Beibei Luo,
Beibei Luo
Harbin Engineering University, Harbin, Heilongjiang, China
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Xueqing Guo,
Xueqing Guo
Harbin Engineering University, Harbin, Heilongjiang, China
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Zhongning Sun
Zhongning Sun
Harbin Engineering University, Harbin, Heilongjiang, China
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Jianjun Wang
Harbin Engineering University, Harbin, Heilongjiang, China
Beibei Luo
Harbin Engineering University, Harbin, Heilongjiang, China
Xueqing Guo
Harbin Engineering University, Harbin, Heilongjiang, China
Zhongning Sun
Harbin Engineering University, Harbin, Heilongjiang, China
Paper No:
ICONE21-15960, V004T09A068; 5 pages
Published Online:
February 7, 2014
Citation
Wang, J, Luo, B, Guo, X, & Sun, Z. "Study on the Behaviors of a Conceptual Passive Containment Cooling System." Proceedings of the 2013 21st International Conference on Nuclear Engineering. Volume 4: Thermal Hydraulics. Chengdu, China. July 29–August 2, 2013. V004T09A068. ASME. https://doi.org/10.1115/ICONE21-15960
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