【作者】 孙伟； 李庆； 王侃；

【Author】 SUN Wei;LI Qing;WANG Kan;Department of Engineering Physics,Tsinghua University;Science and Technology on Reactor System Design Technology Laboratory,China Institute of Nuclear Power;

【机构】 清华大学工程物理系； 中国核动力研究设计院核反应堆系统设计技术重点实验室；

【摘要】 通过对不同方案组件、堆芯计算,得出影响径向行波堆长寿期堆芯设计的关键物理参数是点火组件富集度、堆芯活性区高度以及轴向增殖层厚度;在此基础上提出全寿期60年2 000 MW径向行波堆堆芯设计并给出以10年为周期的初步倒料方案。对堆芯初步物理特性分析结果表明,所设计堆芯各项参数均满足快堆设计(行波堆本质属于快堆)要求,同时倒料方案可使寿期末点火组件燃耗深度基本一致,这使得堆芯全寿期每个组件受到的辐照水平基本一样,利于保持包壳材料的完整性。更多还原

【Abstract】 The calculation results of different assembly and core designs showed that the key parameters for a long life TWR were enrichment of ignition assemblies,height of the core activity areas as well as the axial breeding thickness.Based on this,a full life of 60 years 2 000 MW radial TWR core design and preliminary radial fuel shuffling sheme in decades were proposed.Preliminary analysis results of reactor characteristics showed that the core parameters of the design core meet the fast reactor designCTWR belongs to fast reactor).The shuffling scheme can make the same burnup depth of all assemblies at the end of core to keep clad integrity at high neutron fluence.更多还原