| 彭红花,于涛*,谢金森,钱金栋,李庆,夏榜样.改进Flower型超临界水冷快堆负空泡反应性初步分析设计[J].南华大学学报(自然科学版),2011,25(4):13~18.[PENG Hong-hua1,YU Tao1*,XIE Jin-sen1,QIAN Jin-dong1,LI Qing2,XIA Bang-yang2.The Negative Void Reactivity Effect Preliminary Design for theImproved “Flower” Type SCWFR Core[J].Journal of University of South China(Science and Technology),2011,25(4):13~18.] |
| 改进Flower型超临界水冷快堆负空泡反应性初步分析设计 |
| The Negative Void Reactivity Effect Preliminary Design for theImproved “Flower” Type SCWFR Core |
| 投稿时间：2011-09-15 |
| DOI： |
| 中文关键词: 超临界水冷快堆 冷却剂密度分层 MOX燃料 厚blanket组件盒 负空泡反应性系数 |
| 英文关键词:SCWFR Axial coolant densities zoning MOX fuel blanket assembly with thick box negative void reactivity coefficient |
| 基金项目:核反应堆系统设计技术国家级重点实验室基金资助项目 |
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| 中文摘要: |
| 超临界水冷快堆结构简化，堆芯功率密度高并且不存在沸腾危机，是一种比较有前途的先进核能系统.但潜在的正空泡反应性系数是需要认真考虑的安全问题.本文建立了改进Flower型超临界水冷快堆堆芯模型，并通过对堆芯分区布置,冷却剂密度分层、MOX燃料合理设计、燃料富集度轴向分层布置，blanket组件盒厚度增加及内部通道采用贫铀冷却的方案，获得了负的空泡反应性系数，初步达到了堆芯的安全设计要求. |
| 英文摘要: |
| The Supercritical Water-Cooled Fast Reactor has a characteristic of plant simplification design and high power density,without burnout or drying out crisis.It is a very promising advanced Nuclear Power system.However,the potentially positive void reactivity coefficient requires serious considerations.A model of improved SCWFR core-“Flower type” is established in this paper,negative void reactivity effect is obtained by the ways of core zoning scheme,Axial coolant densities zoning,MOX fuel with reasonable design and axial enrichment zoning,blanket assembly with thick box and solid uranium matrix cooled by internal clad channels,finally the primary demand for reactor safety is met. |
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