碱金属高温热管启动运行特性分析
TL334; 本文研究了碱金属高温热管的启动及运行瞬态,在传统热管冷态启动模型基础上,建立了以蒸气流态转变为划分依据的冷态启动三阶段模型,并依据该模型开发了热管启动瞬态分析程序HPSTAC,程序模拟结果与实验值相对偏差不超过15.7%.使用该程序模拟单根钠钾热管的启动瞬态并进行了敏感性分析,结果表明:启动开始后450、660、1550 s,热管分别进入启动第2、3阶段与准稳态,蒸气区域趋于一致性温度837 K;启动环境温度主要影响冷凝段升温速度,输入热流密度对热管启动各阶段的影响存在阈值效应....
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Published in | 原子能科学技术 Vol. 55; no. 6; pp. 1015 - 1023 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
西安交通大学 核科学与技术学院,陕西 西安 710049
20.06.2021
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Subjects | |
Online Access | Get full text |
ISSN | 1000-6931 |
DOI | 10.7538/yzk.2020.youxian.0464 |
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Abstract | TL334; 本文研究了碱金属高温热管的启动及运行瞬态,在传统热管冷态启动模型基础上,建立了以蒸气流态转变为划分依据的冷态启动三阶段模型,并依据该模型开发了热管启动瞬态分析程序HPSTAC,程序模拟结果与实验值相对偏差不超过15.7%.使用该程序模拟单根钠钾热管的启动瞬态并进行了敏感性分析,结果表明:启动开始后450、660、1550 s,热管分别进入启动第2、3阶段与准稳态,蒸气区域趋于一致性温度837 K;启动环境温度主要影响冷凝段升温速度,输入热流密度对热管启动各阶段的影响存在阈值效应. |
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AbstractList | TL334; 本文研究了碱金属高温热管的启动及运行瞬态,在传统热管冷态启动模型基础上,建立了以蒸气流态转变为划分依据的冷态启动三阶段模型,并依据该模型开发了热管启动瞬态分析程序HPSTAC,程序模拟结果与实验值相对偏差不超过15.7%.使用该程序模拟单根钠钾热管的启动瞬态并进行了敏感性分析,结果表明:启动开始后450、660、1550 s,热管分别进入启动第2、3阶段与准稳态,蒸气区域趋于一致性温度837 K;启动环境温度主要影响冷凝段升温速度,输入热流密度对热管启动各阶段的影响存在阈值效应. |
Author | 张大林 田文喜 王成龙 苏光辉 张泽秦 孙浩 秋穗正 |
AuthorAffiliation | 西安交通大学 核科学与技术学院,陕西 西安 710049 |
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Author_FL | QIU Suizheng TIAN Wenxi ZHANG Zeqin WANG Chenglong SUN Hao SU Guanghui ZHANG Dalin |
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Keywords | 碱金属 高温热管 冷态启动 数值模拟 |
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Title | 碱金属高温热管启动运行特性分析 |
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