International Journal of Advanced Innovative Technology in Engineering (IJAITE)

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Review on Performance Analysis of Solar Panel Cooling Mechanism Using Nanofluid

Tanmay Chavhan, Mahesh Jaiswal, Ankit Bhoyar, Ketan Niswade, Komal Pawar

Abstract :

Harnessing solar energy through photovoltaic (PV) panels is a promising avenue for renewable energy. However, high operating temperatures can diminish PV panel efficiency. This study aimed to develop a cooling system to improve the electrical and thermal efficiency of PV panels. The research focused on using TiO2, Al2O3, and ZnO nanoparticles added at 0.5 vol% to water as working fluids for active cooling. The system included a rectangular spiral and a tube behind the PV panel, with a solar simulator simulating varying solar radiation intensities for performance evaluation. Results showed that the nanofluid-based heat exchanger reduced panel temperature by 14°C, increasing electrical efficiency by up to 4.7% with the ZnO nanofluid. In the spiral configuration, the ZnO nanofluid reduced panel temperature from 60°C to 45°C, boosting Isc from 2.16A to 2.9A and Voc from 21.5V to 23V, resulting in a maximum power increase to 53W. This study highlights the potential of nanofluid-based cooling systems to enhance PV panel performance.

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