ANALYSIS OF HIGH BURNUP PRESSURIZED WATER REACTOR FUEL USING URANIUM, PLUTONIUM, NEODYMIUM, AND CESIUM ISOTOPE CORRELATIONS WITH BURNUP

被引：31

作者：

Kim, Jung Suk ^{[1
]}

Jeon, Young Shin ^{[1
]}

Park, Soon Dal ^{[1
]}

Ha, Yeong-Keong ^{[1
]}

Song, Kyuseok ^{[1
]}

机构：

[1] Korea Atom Energy Res Inst, Nucl Chem Res Div, Taejon 305353, South Korea

来源：

NUCLEAR ENGINEERING AND TECHNOLOGY | 2015年 / 47卷 / 07期

基金：

新加坡国家研究基金会;

关键词：

Burnup determination; High burnup pressurized water reactor fuel; Isotope dilution mass spectrometric method; Isotopic correlation; IRRADIATED FUEL; COMPONENTS;

D O I：

10.1016/j.net.2015.08.002

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：

The correlation of the isotopic composition of uranium, plutonium, neodymium, and cesium with the burnup for high burnup pressurized water reactor fuels irradiated in nuclear power reactors has been experimentally investigated. The total burnup was determined by Nd-148 and the fractional U-235 burnup was determined by U and Pu mass spectrometric methods. The isotopic compositions of U, Pu, Nd, and Cs after their separation from the irradiated fuel samples were measured using thermal ionization mass spectrometry. The contents of these elements in the irradiated fuel were determined through an isotope dilution mass spectrometric method using U-233, Pu-242, Nd-150, and Cs-133 as spikes. The activity ratios of Cs isotopes in the fuel samples were determined using gamma-ray spectrometry. The content of each element and its isotopic compositions in the irradiated fuel were expressed by their correlation with the total and fractional burnup, burnup parameters, and the isotopic compositions of different elements. The results obtained from the experimental methods were compared with those calculated using the ORIGEN-S code. Copyright (C) 2015, Published by Elsevier Korea LLC on behalf of Korean Nuclear Society.

引用

页码：924 / 933

页数：10

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