Preliminary evaluation of U3Si2-FeCrAl fuel performance in light water reactors through a multi-physics coupled way

被引：50

作者：

He, Yanan ^{[1
]}

Chen, Ping ^{[1
,2
]}

Wu, Yingwei ^{[1
]}

Su, G. H. ^{[1
]}

Tian, Wenxi ^{[1
]}

Qiu, Suizheng ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Nucl Sci & Technol, Shaanxi Engn Res Ctr Adv Nucl Energy, Xian 710049, Shaanxi, Peoples R China

[2] Nucl Power Inst China, Sci & Technol Reactor Syst Design Technol Lab, Chengdu 610213, Sichuan, Peoples R China

来源：

NUCLEAR ENGINEERING AND DESIGN | 2018年 / 328卷

基金：

中国国家自然科学基金;

关键词：

U3Si2; Multiphysics; Fuel performance; MOOSE; BEEs; ACCIDENT-TOLERANT FUELS; NORMAL OPERATION; CREEP;

D O I：

10.1016/j.nucengdes.2017.12.019

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

U3Si2-FeCrAl fuel system is a potential choice for Accident Tolerant Fuel (ATF) for its higher uranium density, improved fuel thermal conductivity and stronger oxidation resistance. In this work, a new multi-physic fuel performance code called BEEs for LWR fuels has been developed based on Multiphysics Object-Oriented Simulation Environment (MOOSE) using the Object-Oriented Programming (OOP) method. As a first step to verify the capability of BEEs, one problem has been conducted using BEEs and compared with the results from BISON and ABAQUS. Then, the most recently available U3Si2-FeCrAl behavior models have been coded in BEEs. Fuel performance analysis was conducted for U3Si2-FeCrAl fuel system using BEEs and comparisons with UO2-Zr-4 and U3Si2-Zr-4 were made in this work. The results show that U3Si2-FeCrAl fuel system can lower the fuel peaking temperature about 300 K and have flat radial temperature distribution which can mitigate or eliminate the fuel cracking during power up. Further, the pellet-cladding mechanic interaction can be delayed or fully eliminated employing U3Si2-FeCrAl fuel system in light water reactors (LWRs).

引用

页码：27 / 35

页数：9

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