Thermal modelling of a flat plate solar collector with latent heat storage validated with experimental data in outdoor conditions
作者： Mauricio Carmona , Mario Palacio , None
DOI: 10.1016/J.SOLENER.2018.11.056
关键词: Mechanics 、 Heat transfer 、 Melting point 、 Phase-change material 、 Materials science 、 Radiation 、 Test data 、 Convection 、 Thermal 、 Thermal conduction
摘要: Abstract This paper presents a thermal modelling strategy to evaluate the performance of latent heat storage technique in flat plate solar collector (FPSC) with integrated phase change material (PCM). A dynamic model is developed based simplified semi empirical correlations and includes transfer by conduction, convection radiation each part device. Melting process PCM described energy balances for set discrete spatial layers calculate temperature liquid fraction. The validated experimental data gathered under outdoor conditions from real prototype modified incorporate containers between absorber insulation. As result validation process, shows capability estimate global device good accuracy compared measurements using minimal computational resources. Comparisons estimations test are presented 20 days, include days both high low incident two different PCMs. Predicted glass cover, plate, water outlet obtained maximum error 4.62%. was employed analyze performance. Temperatures, transfer, stored main components fraction estimated analyzed cases: clear sky condition without strong changes scattered weather variation. Two PCMs melting points (45 °C 60 °C) results their
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