首页|A novel distributed solar refrigeration system based on evacuated U-tube solar collector and elastocaloric refrigerator
A novel distributed solar refrigeration system based on evacuated U-tube solar collector and elastocaloric refrigerator
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Refrigeration challenges in regions with electricity shortages significantly decrease the quality of life for residents.In response to the prevalent refrigeration challenges in power-deficient areas,a novel distributed solar refrigeration system,comprising an evacuated U-tube solar collector and elastocaloric refrigerator,is theoretically introduced.Theoretical formulations for the energy efficiency and cooling power of the solar refrigeration system are presented to facilitate predictive assessments of the performance properties.Under typical conditions,the energy efficiency and cooling power of the solar refrigeration system are,respectively,4.84％and 200.15 W.Subsequently,an extensive parameter study is conducted to comprehensively uncover key performance influencers and identify avenues for improvement.In addition,local sensitivity analyses identify that the length ratio is the top influential parameter,while the heat transfer fluid flow rate is the least sensitivity.A pragmatic case study,conducted with the weather data of Ningbo City,China,serves to empirically predict the performance of the hybrid system within the constraints of practical circumstances.
evacuated U-tube solar collectorelastocaloric refrigeratorsolar refrigerationsolar energy thermal utilizationsystem integration
LI Hao、ZHANG HouCheng
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College of New Energy,Ningbo University of Technology,Ningbo 315211,China
Baima Lake Laboratory Joint Funds of the Zhejiang Natural Science Foundation of China
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