| 堆芯冷却剂流量下降DNBR计算 |
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| 引用本文： | 郝老迷 谢晖. 堆芯冷却剂流量下降DNBR计算[J]. 原子能科学技术, 1993, 27(5): 422-425 |
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| 作者姓名： | 郝老迷 谢晖 |
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| 作者单位： | 中国原子能科学研究院堆工所，中国原子能科学研究院堆工所 北京，102413，北京，102413 |
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| 摘 要： | 四种事件可导致堆芯冷却剂流量下降。计算了这四种事件发生后堆芯内ＤＮＢＲ的分布，并从中找出最小ＤＮＢＲ。结果表明，冷却剂泵轴卡死事件的最小ＤＮＢＲ为最低，堆芯中部分燃料元件的最小ＤＮＢＲ低于限定值１．３。
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| 关 键 词： | 堆芯 冷却剂流量 热流密度 DNBR |
DNBR CALCULATION IN THE CASE OF DECREASE IN CORE COOLANT FLOW RATE |
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| HAO LAOMI,XIE HUI China Institute of Atomic Energy,P. O. Box. DNBR CALCULATION IN THE CASE OF DECREASE IN CORE COOLANT FLOW RATE[J]. Atomic Energy Science and Technology, 1993, 27(5): 422-425 |
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| Authors: | HAO LAOMI XIE HUI China Institute of Atomic Energy P. O. Box |
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| Abstract: | Four events could result in a decrease of core coolant flow rate. The DNBR distributions incore are calculated for these events, and the minimum DNBR is found out from theirdistributions. The results show that the lowest DNBR occurs in the event of the coolant pump ro-tor seizure, and the minimum DNBR of some of fuel elements in core falls below the limiting value1. 3. |
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| Keywords: | Core coolant flow rate Event Boiling crisis Critical heat flux DNBR |
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