Numerical Analysis on Heat Collecting Performance of Novel Corrugated Flat Plate Solar Collector Using Nanofluids

Xingwang Tang, Chenchen Tan, Yan Liu, Chuanyu Sun () and Sichuan Xu ()
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Xingwang Tang: School of Automotive Studies, Tongji University, Shanghai 200804, China
Chenchen Tan: State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
Yan Liu: State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
Chuanyu Sun: School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China
Sichuan Xu: School of Automotive Studies, Tongji University, Shanghai 200804, China

Sustainability, 2024, vol. 16, issue 14, 1-19

Abstract: To improve the heat collection performance of flat plate solar collectors, a corrugated flat plate solar collector (CFPSC) with a triangular collector tube was first innovatively designed in this paper. The effect of various nanofluids that are used as working fluid on the heat collection performance of CFPSC was comprehensively analyzed based on the heat collection characteristics test system and numerical simulation model. The results indicate that when CuO and Al 2 O 3 were used as nanoparticles, the heat collection stabilization time of the nanofluids for which ethylene glycol (EG) was used as the base fluid was 12.4~28.6% longer than that of the nanofluids for which water was used as the base fluid. Moreover, when the base fluid was EG, the temperature difference of CuO-EG nanofluid under different radiation intensities was about 5.8~19.2% higher than that of water. Furthermore, the heat collection performance of CuO nanofluids and Al 2 O 3 nanofluids was superior to TiN nanofluids. Specifically, the heat collection of CuO-EG nanofluid was 2.9~4% higher than that of TiN-EG nanofluid at different radiation intensities. Therefore, using nanofluids as a working medium and designing a flat plate solar collector with triangular collector tubes can significantly improve the collector performance.

Keywords: corrugated flat plate solar collector; nanofluids; heat collection efficiency; numerical analysis; solar-thermal (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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