Fully Coupled Simulation of Oxygen and Heat Diffusion for (U,Pu) O-2 Fuel in Both Fast-Breeder Reactor and Light-Water Reactor

被引：2

作者：

Zhou, Wenzhong ^{[1
]}

Liu, Rong ^{[1
]}

机构：

[1] City Univ Hong Kong, Dept Mech & Biomed Engn, Hong Kong, Hong Kong, Peoples R China

来源：

JOURNAL OF NUCLEAR ENGINEERING AND RADIATION SCIENCE | 2015年 / 1卷 / 04期

关键词：

fully coupled; oxygen diffusion; heat diffusion; FBR; LWR;

D O I：

10.1115/1.4031033

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：

Oxygen redistribution with a high- temperature gradient is an important fuel performance concern in fast- breeder reactor (FBR) and light- water reactor (LWR) (U, Pu)O 2 fuel under irradiation, and affects fuels properties, power distribution, and fuel overall performance. This paper studies the burnup dependent oxygen and heat diffusion behavior in a fully coupled way within (U,Pu)O-2 FBR and LWR fuels. The temperature change shows relatively larger impact on oxygen to metal (O/M) ratio redistribution rather than O/M ratio change on temperature, whereas O/M ratio redistributions show different trends for FBR and LWR fuels due to their different deviations from the stoichiometry of oxygen under high- temperature environments.

引用

页数：8

共 19 条

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PROCEEDINGS OF THE 26TH INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING, 2018, VOL 3, 2018,
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NUCLEAR ENGINEERING AND DESIGN, 2015, 295 : 511 - 523
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