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HEAT ABSORPTION AND TRANSPORT CHARACTERISTICS OF THE CONCENTRATED SOLAR RECEIVER PIPE
Author(s): 
Pages: 328-332
Year: Issue:  3
Journal: Acta Energiae Solaris Sinica

Keyword:  receiver pipesolar selective coatingabsorption efficientheat convection;
Abstract: 基于太阳能选择性吸收涂层的辐射性能,建立聚光太阳能吸热管光热耦合传输的数理模型,理论研究聚光太阳能吸热管的吸热传热特性.研究表明,吸热管壁温度随着聚光能流密度增加而线性升高,而吸热效率在中等聚光能流密度时达最大值.太阳能选择性吸收涂层性能对吸热传热有重要影响,具有低红外发射系数涂层的系统吸热效率明显较高,而红外辐射能量损失率则在中等聚光能流密度时最小.管内强迫对流可以显著提高吸热管效能.吸热效率随...
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