| 49-2泳池式反应堆非能动虹吸破坏孔方案设计及计算分析 |
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| 引用本文： | 岳芷廷,宋云鹏,刘兴民,邹耀,吴园园. 49-2泳池式反应堆非能动虹吸破坏孔方案设计及计算分析[J]. 原子能科学技术, 2014, 48(9): 1601-1604. DOI: 10.7538/yzk.2014.48.09.1601 |
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| 作者姓名： | 岳芷廷 宋云鹏 刘兴民 邹耀 吴园园 |
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| 作者单位： | 中国原子能科学研究院 反应堆工程研究设计所，北京102413 |
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| 摘 要： | 基于安全考虑，49-2泳池式反应堆一回路冷却水系统将增设1个非能动虹吸破坏孔。在确定开孔位置的基础上，利用RELAP5/MOD3.3程序分别对孔径为1.5 cm和2.0 cm时的虹吸破坏能力进行了计算分析。结果表明：在停堆停泵状态下，一回路大破口失水事故时，两种孔径的虹吸破坏孔均能破坏回路中的虹吸作用，避免产生堆芯裸露的严重后果。为保守起见，最终选择虹吸破坏孔的孔径为2.0 cm。
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| 关 键 词： | 泳池式反应堆 非能动 虹吸破坏孔 RELAP5/MOD3.3 |
Design and Computational Analysis of Passive Siphon Breaker for 49-2 Swimming Pool Reactor |
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| YUE Zhi-ting,SONG Yun-peng,LIU Xing-min,ZOU Yao,WU Yuan-yuan. Design and Computational Analysis of Passive Siphon Breaker for 49-2 Swimming Pool Reactor[J]. Atomic Energy Science and Technology, 2014, 48(9): 1601-1604. DOI: 10.7538/yzk.2014.48.09.1601 |
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| Authors: | YUE Zhi-ting SONG Yun-peng LIU Xing-min ZOU Yao WU Yuan-yuan |
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| Affiliation: | China Institute of Atomic Energy, P. O. Box 275-33, Beijing 102413, China |
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| Abstract: | Based on safety considerations, a passive siphon breaker will be added to the primary cooling system of 49-2 Swimming Pool Reactor (SPR). With the breaker location determined, the capability of siphon breakers with diameters of 1.5 cm and 2.0 cm was calculated and analyzed respectively by RELAP5/MOD3.3 code. The results show that in the condition of large break loss of coolant accident these two sizes of siphon breakers are able to break the siphon phenomena, and maintain the pool water level above the reactor core when the reactor and the pump are shutdown. In the end, to be conservative, the siphon breaker with diameter of 2.0 cm is adopted. |
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| Keywords: | SPR passive siphon breaker RELAP5/MOD3.3 |
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