压水堆套娃式分离型可燃毒物反应性控制特性研究  

Study on Reactivity Control Characteristics of PWR Matryoshka-Type Separated Combustible Poison

作　　者：姚磊 谢金森[1,2] 于涛[1,2] 徐士坤 夏羿 邓年彪 Yao Lei;Xie Jinsen;Yu Tao;Xu Shikun;Xia Yi;Deng Nianbiao(School of Nuclear Science and Technology,University of South China,Hengyang,Hunan,421001,China;Virtual Simulation Experiment Teaching Center on Nuclear Energy and Technology,University of South China,Hengyang,Hunan,421001,China)

机构地区：[1]南华大学核科学技术学院,湖南衡阳421001 [2]南华大学湖南省数字化反应堆工程技术研究中心,湖南衡阳421001

出　　处：《核动力工程》2021年第S01期135-138,共4页Nuclear Power Engineering

摘　　要：为了研究性能更好的可燃毒物,满足在寿期初抑制过剩反应性、匹配堆芯较长周期的运行要求,对一种新型可燃毒物设计概念:套娃式可燃毒物(MDBP)进行研究,采用DRAGON程序对燃耗较快的Gd、B材料和燃耗较慢的Er、Hf材料进行不同类型可燃毒物的匹配研究,分析是否更适用于长寿期压水堆;基于确定论程序计算分析新型可燃毒物设计概念,并与传统可燃毒物做对比。结果表明,选择B和Er组合的MDBP相比于传统可燃毒物具有更优的性能,更适用于长寿期压水堆。In order to study the burnable poisons with better performance,to meet the requirements of suppressing excess reactivity at the beginning of the lifetime and matching the longer cycle operation requirements of the reactor core,a new type of burnable poison design concept,a Matryoshka burnable poison(MDBP),was studied,and the DRAGON program was used to develop materials such as Gd and B with faster burnup rate,and materials such as Er and Hf with slower burnup rate.Matching of different types of burnable poisons was studied,and the application in long-life pressurized water reactors was analyzed.This paper calculates and analyzes the new burnable poison design concept based on the deterministic program,and compares it with the traditional burnable poison.The results show that the MDBP with the combination of B and Er has better performance than traditional burnable poisons,and is more suitable for long-life pressurized water reactors.

关 键 词：长寿期压水堆 套娃式可燃毒物(MDBP) 可燃毒物 反应性波动 

分 类 号：TL33[核科学技术—核技术及应用]