Modeling and investigating the detailed characteristics of solar lighting/heating system based on spectrum split of nanofluids
作者： Chao Shen , Guoquan Lv , Kaijie Zheng , Changyun Ruan , Chunxiao Zhang
DOI: 10.1016/J.ENBENV.2020.10.003
关键词: Daylighting 、 Heating system 、 Infrared 、 Luminous efficacy 、 Environmental science 、 Electric light 、 Nanofluid 、 Automotive engineering 、 Sunlight 、 Energy (signal processing)
摘要: Abstract Solar lighting technologies can lead sunlight into indoor actively, which has been proved that great potential to reduce electric consumption and create a healthy visual environment. In this paper, mathematics model was developed explore performance characteristics economic applicability of solar lighting/heating system combine ordinary with nanofluids spectroscopically utilize sunlight. The results show the luminous efficiency output visible light reach at 242 lm/W, is 1.62–2.42 times higher than current LED light. Moreover, it be found energy-saving capacity remarkable when used in most areas China. As for Harbin, its annual total radiation ranges 4190 MJ/m2 5020 MJ/m2, system's energy (per square meter collection area) 188.15 kW•h daylighting 248.2 kW•h domestic hot water. Besides, integrated using infrared improve economy by calculating comprehensive price unit energy.
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