Solar Photovoltaic Surface Cooling using Hybrid Solar Chimney-Collector with Wavy Fins

Zhang  Genge; Mohd Suffian  Misaran; Zikuan  Zhang; Mohd Adzrie  Radzali; Mohd Azlan  Ismail

doi:10.37934/arnht.27.1.107119

Authors

Zhang Genge Nanning University, Longting Road, Nanning, China
Mohd Suffian Misaran Malaysia Mechanical Engineering Programme, Faculty of Engineering, Universiti Malysia Sabah (UMS), 88400 Kota Kinabalu, Sabah, Malaysia
Zikuan Zhang Tianjin University of Technology and Education, 1310 Dagu South Road, Hexi District, Tianjin, China
Mohd Adzrie Radzali Malaysia Mechanical Engineering Programme, Faculty of Engineering, Universiti Malysia Sabah (UMS), 88400 Kota Kinabalu, Sabah, Malaysia
Mohd Azlan Ismail Malaysia Mechanical Engineering Programme, Faculty of Engineering, Universiti Malysia Sabah (UMS), 88400 Kota Kinabalu, Sabah, Malaysia

DOI:

https://doi.org/10.37934/arnht.27.1.107119

Keywords:

Passive cooling, Wavy fins, Solar chimney, Photovoltaic

Abstract

Elevated temperatures, frequently observed in regions characterized by high ambient heat, markedly diminish the operational efficiency and curtail the lifespan of Solar Photovoltaic (PV) panels. Consequently, it is essential to enhance the sustainability and operational performance of solar energy systems through the mitigation of surface temperatures of solar PV panels. The study investigates the impact of the number of fins on the panel's surface temperature and the airflow within the collector-chimney cavity. Computational Fluid Dynamics (CFD) simulations were employed to determine the optimal number of fins for maximum cooling efficiency. The results indicate that increasing the number of fins initially lowers the solar PV surface temperatures, but the improvements diminish due to increased airflow restrictions. The surface temperature reduction enabled by the fins up to 14.1°C at 50.99°C, which can help mitigate solar PV efficiency losses in hot climates. The CFD simulations accurately predicted the thermal-fluid behaviour and cooling capacity of the hybrid system, as validated against experimental data. The study concludes that the incorporation of optimized wavy cooling fins in a hybrid solar chimney-collector system shows strong potential for passively enhancing solar PV panel cooling and efficiency.

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Author Biography

Mohd Suffian Misaran, Malaysia Mechanical Engineering Programme, Faculty of Engineering, Universiti Malysia Sabah (UMS), 88400 Kota Kinabalu, Sabah, Malaysia

suffian@ums.edu.my

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