Simulative calculation of <sup>232</sup>U productions in thorium-uranium transform process based on thermal reactor

XIONG Wengang1; 2 LI Wenxin1 WANG Min1 1

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Simulative calculation of ²³²U productions in thorium-uranium transform process based on thermal reactor

更新时间：2021-03-05

- Simulative calculation of ²³²U productions in thorium-uranium transform process based on thermal reactor
- NUCLEAR TECHNIQUES Vol. 35, Issue 5, (2012)
- 作者机构：
  
  1. 中国科学院上海应用物理研究所
  2. 中国科学院研究生院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL249
- Published：01 May 2012
- 稿件说明：
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[1]熊文纲,李文新,王敏.基于热堆的钍铀转换过程中~(232)U生成的模拟计算[J].核技术,2012,35(05):395-400.

XIONG Wengang1, 2 LI Wenxin1 WANG Min1 1. Simulative calculation of ²³²U productions in thorium-uranium transform process based on thermal reactor[J]. Nuclear techniques, 2012, 35(5): 395-400.
[1]熊文纲,李文新,王敏.基于热堆的钍铀转换过程中~(232)U生成的模拟计算[J].核技术,2012,35(05):395-400. DOI：

XIONG Wengang1, 2 LI Wenxin1 WANG Min1 1. Simulative calculation of ²³²U productions in thorium-uranium transform process based on thermal reactor[J]. Nuclear techniques, 2012, 35(5): 395-400. DOI：

摘要

在钍铀燃料循环过程中生成的232U的衰变子体具有强放射性

对燃料循环具有重要影响。本工作采用ORIGEN2、SCALE5程序

以及基于Bateman方法编写的程序

分析了在不同条件下

热堆中钍反应生成232U的规律。一般情况下

232U主要由232Th的（n

2n）反应链生成

而在中子能谱更软情况下

230Th对232U生成贡献增大;CANDU型重水堆和压水堆的含钍燃料组件的燃耗计算结果表明

铀中232U含量随燃耗深度增加而变大

同时初始230Th/Thtotal大小直接线性影响卸料燃耗时232U/Utotal或232U/233U。

Abstract

The decay products of 232U produced in the thorium-uranium fuel cycle emit high energy γ-rays.This affects the fuel cycle greatly.In this paper

the 232U productions in thermal reactor using thorium fuel are analyzed by ORIGEN2

SCALE5 and the code based on the Bateman method.Under normal situation

232U is mainly produced by 232Th(n

2n) reaction chain

and more quantity of 230Th can be transformed into 232U while the neutron spectrum is softer.The burnup calculation of CANDU reactor and PWR assembly indicates that the232U in uranium increase with the burnup

and230Th in fresh thorium has linear correlation with232U/Utotalor232U/233U at discharge burnup.

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Simulative calculation of 232U productions in thorium-uranium transform process based on thermal reactor

DOI：

摘要

Abstract

关键词

Keywords

references

Simulative calculation of ²³²U productions in thorium-uranium transform process based on thermal reactor