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Solar medium-low temperature thermal utilization and effect analysis of boundary condition: A tutorial
Solar Energy ( IF 6.7 ) Pub Date : 2020-02-01 , DOI: 10.1016/j.solener.2020.01.016
Yu Bie , Zhixiong Li , Jilin Lei , Zhenjun Ma , Ming Li , Grzegorz Królczyk , Weihua Li

Abstract Solar thermal utilization is an important part of renewable energy applications, and its development and application have received extensive attention. Based on the development status of medium and low temperature solar thermal utilization systems, this paper first introduces the application and performance research on subsystems of the solar system including heat collection, heat storage and heat utilization units. It then introduces the theoretical and experimental development of matching relationships and dynamic performance of the medium and low temperature thermal utilization systems. Lastly, a case study analysis of a solar thermal system performance was carried out under different thermal boundary conditions. The influence of the boundary conditions of the heat storage system and the actual weather conditions on its performance is explored. The results showed that the boundary conditions of constant temperature and the boundary conditions of constant heat flow density have their own advantages. The heat source conditions provided by heat transfer medium are similar to the constant heat flux boundary condition. The work of this paper provided a theoretical basis for the subsequent application and performance study of solar medium and low temperature thermal utilization systems.

中文翻译:

太阳能中低温热利用及边界条件效应分析:教程

摘要 太阳能热利用是可再生能源应用的重要组成部分,其开发和应用受到广泛关注。本文根据中低温太阳能热利用系统的发展现状,首先介绍了太阳能系统的集热、蓄热和热利用单元等子系统的应用和性能研究。然后介绍了中低温热利用系统的匹配关系和动态性能的理论和实验进展。最后,对不同热边界条件下的太阳能热系统性能进行了案例研究分析。探讨了蓄热系统的边界条件和实际天气条件对其性能的影响。结果表明,恒温边界条件和恒热流密度边界条件各有优势。传热介质提供的热源条件类似于恒定热通量边界条件。本文的工作为太阳能中低温热利用系统的后续应用和性能研究提供了理论依据。传热介质提供的热源条件类似于恒定热通量边界条件。本文的工作为太阳能中低温热利用系统的后续应用和性能研究提供了理论依据。传热介质提供的热源条件类似于恒定热通量边界条件。本文的工作为太阳能中低温热利用系统的后续应用和性能研究提供了理论依据。
更新日期:2020-02-01
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