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
Main Authors 张泽秦, 王成龙, 孙浩, 张大林, 秋穗正, 苏光辉, 田文喜
Format Journal Article
LanguageChinese
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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ISSN1000-6931
DOI10.7538/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.
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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TIAN Wenxi
ZHANG Zeqin
WANG Chenglong
SUN Hao
SU Guanghui
ZHANG Dalin
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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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