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Geometric configuration of fuel assembly for small lightweight lead-bismuth reactor [小型轻量化铅铋反应堆燃料组件几何结构研究]

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成果类型:
期刊论文
作者:
王昌;肖豪;刘紫静;常皓彤;王维嘉;...
通讯作者:
Liu, Z.
作者机构:
[肖豪; 常皓彤; 王维嘉] School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China
Hunan Engineering & Technology Research Center for Virtual Nuclear Reactor, University of South China, Hengyang, 421001, China
[赵鹏程; 刘紫静; 王昌] School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China, Hunan Engineering & Technology Research Center for Virtual Nuclear Reactor, University of South China, Hengyang, 421001, China
通讯机构:
[Liu, Z.] S
School of Nuclear Science and Technology, China
语种:
中文
关键词:
铅铋反应堆;燃料组件;小型化;轻量化
关键词(英文):
Fuel assembly;Lead-bismuth reactor;Lightweight;Miniaturization
期刊:
核技术
ISSN:
0253-3219
年:
2023
卷:
46
期:
9
页码:
135-144
基金类别:
Supported by National Natural Science Foundation Youth Project (No.12005097), Pre-research Project of Equipment Development Department of Central Military Commission (No.6142A07190106), Hunan Natural Science Fund Youth Project (No.2020JJ5465), Excellent Youth Project of Hunan Education Department (No.19B494)
机构署名:
本校为第一机构
院系归属:
核科学技术学院
摘要:
燃料组件的几何结构和栅格参数显著影响铅铋反应堆的物理/热工特性,采用不同几何结构燃料组件的堆芯在相同换料周期、热工限值约束下的临界尺寸、燃料装载量存在差异。本文开展小型轻量化铅铋反应堆的燃料组件几何结构研究,通过建立铅铋反应堆堆芯模型,选取棒束型、环形、蜂窝煤型燃料组件方案,比较分析了3种方案在堆芯尺寸、燃料装载量、冷却剂流通面积、包壳和气隙体积相同和在换料周期为10 a、稳态热工安全裕量基本一致条件下堆芯的燃耗特性、反应性系数、稳态热工特性参数。结果表明:相比于棒束型与环形燃料组件,蜂窝煤型燃料组件良好的稳态热工特性与较硬的中子能谱,采用蜂窝煤型燃...
摘要(英文):
[Background]The neutronics and thermal-hydraulic characteristics of lead-bismuth cooled reactors are significantly affected by the geometric configuration of fuel assembly and lattice parameters.Reactor cores loaded with different geometry type fuel assemblies have diff...MORE [Background]The neutronics and thermal-hydraulic characteristics of lead-bismuth cooled reactors are significantly affected by the geometric configuration of fuel assembly and lattice parameters.Reactor cores loaded with different geometry type fuel assemblies have different critical dimensions and fuel loadings under th...

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