2D/1D耦合的堆芯实测功率分布快速重构研究

TL329.2; 针对三代核电压水堆在线监测系统需要快速准确进行实测3D功率重构的需求,本文提出了一种2D/1D耦合的3D功率重构方法.首先采用耦合系数法对探测器层的功率进行了2D实测功率重构;其次针对每个组件,采用二次样条函数拟合方法进行了轴向1D实测功率重构,最后得到了全堆3D实测功率分布.该方法计算流程简单,占用内存少.针对华龙一号开展的4个典型例题的数值验证结果表明,该方法具备很高的精度,满足三代核电在线监测系统实测功率重构对精度和速度的要求....

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Published in原子能科学技术 Vol. 55; no. 2; pp. 272 - 278
Main Authors 龚禾林, 李庆, 刘启伟, 李向阳, 卢宗健, 王金雨, 谢运利, 陈长, 于颖锐, 彭星杰, 刘琨, 郭锐, 张斌, 王星博
Format Journal Article
LanguageChinese
Published 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 ,四川 成都 610041 20.02.2021
Subjects
2D/1D
耦合系数法
功率重构
华龙一号
二次样条函数拟合法
Online AccessGet full text
ISSN1000-6931
DOI10.7538/yzk.2020.youxian.0268

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Abstract TL329.2; 针对三代核电压水堆在线监测系统需要快速准确进行实测3D功率重构的需求,本文提出了一种2D/1D耦合的3D功率重构方法.首先采用耦合系数法对探测器层的功率进行了2D实测功率重构;其次针对每个组件,采用二次样条函数拟合方法进行了轴向1D实测功率重构,最后得到了全堆3D实测功率分布.该方法计算流程简单,占用内存少.针对华龙一号开展的4个典型例题的数值验证结果表明,该方法具备很高的精度,满足三代核电在线监测系统实测功率重构对精度和速度的要求.
AbstractList TL329.2; 针对三代核电压水堆在线监测系统需要快速准确进行实测3D功率重构的需求,本文提出了一种2D/1D耦合的3D功率重构方法.首先采用耦合系数法对探测器层的功率进行了2D实测功率重构;其次针对每个组件,采用二次样条函数拟合方法进行了轴向1D实测功率重构,最后得到了全堆3D实测功率分布.该方法计算流程简单,占用内存少.针对华龙一号开展的4个典型例题的数值验证结果表明,该方法具备很高的精度,满足三代核电在线监测系统实测功率重构对精度和速度的要求.
Author 王金雨
谢运利
陈长
张斌
彭星杰
于颖锐
郭锐
李庆
卢宗健
龚禾林
刘启伟
王星博
刘琨
李向阳
AuthorAffiliation 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 ,四川 成都 610041
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Author_FL LI Qing
LIU Qiwei
XIE Yunli
PENG Xingjie
LU Zongjian
WANG Jinyu
CHEN Zhang
YU Yingrui
GONG Helin
LI Xiangyang
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Keywords 2D/1D
耦合系数法
功率重构
华龙一号
二次样条函数拟合法
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Title 2D/1D耦合的堆芯实测功率分布快速重构研究
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