| 太阳辐射作用下钢管温度场分析 |
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| 引用本文： | 刘红波,陈志华,周婷. 太阳辐射作用下钢管温度场分析[J]. 空间结构, 2011, 17(2) |
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| 作者姓名： | 刘红波 陈志华 周婷 |
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| 作者单位： | 天津大学建筑工程学院,天津,300072 |
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| 基金项目： | 国家自然科学基金资助项目(50778122); 天津市建委资助项目(2008-24) |
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| 摘 要： | 基于ASHRAE晴空模型和热分析有限元理论,研究了太阳辐射作用下钢管温度场的日变化过程及温度场的分布规律.对影响钢管温度场的参数,包括太阳辐射吸收率、地面辐射反射率、钢管尺寸和钢管的空间方位进行了参数分析,研究了太阳辐射作用下各个参数对钢管温度场的影响规律.基于太阳辐射时程有限元分析和稳态热分析理论,提出了太阳辐射作用下钢管的温度场简化计算模型,并通过算例验证了简化计算模型,可为今后空间钢结构温度场和温度应力研究和设计提供借鉴和参考.
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| 关 键 词： | 钢管 太阳辐射 温度场 参数分析 简化计算模型 |
Research on temperature field of steel tube under solar radiation |
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| LIU Hong-bo,CHEN Zhi-hua,ZHOU Ting. Research on temperature field of steel tube under solar radiation[J]. Spatial Structures, 2011, 17(2) |
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| Authors: | LIU Hong-bo CHEN Zhi-hua ZHOU Ting |
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| Affiliation: | LIU Hong-bo,CHEN Zhi-hua,ZHOU Ting(College of Civil Engineering,Tianjin University,Tianjin 300072,China) |
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| Abstract: | Based on the ASHRAE model and FEM thermal theory,the temperature field of steel tube under solar radiation was studied by time-history analysis in FEM software ANSYS and some significant distribution rulers of temperature field were obtained.Taking absorption factor of solar radiation,ground radiation reflection factor,steel tube dimensions and spatial location into account,a series of parameter analysis were carried out and some variation laws were concluded.In order to make the conclusions resulting from ... |
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| Keywords: | steel tube solar radiation temperature field parameter analysis simplified algorithm |
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