Alumina Nanofluid Active-Cooling Influence on the Electrical Yield of a Silicon Solar Photovoltaic-Thermal (PVT) System

Document Type : Research and Reference

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Department of Physics, Faculty of Science, Tanta University, Tanta, Egypt

Abstract

Solar panels’ temperatures have a huge impact on their electrical production. Hence, nowadays’ research work focuses on the mechanical cooling of the Photovoltaic systems through different coolant fluids which could be forced or stationary. In this research paper, we compare the effect of overheating removal between two PVT systems cooled by water and alumina nanofluid at 0.01%, 0.03% and 0.05% volumetric concentrations and a mass flow rate of 0.05 Kg/s. In addition, the reference panel that is not affected by any cooling method is involved in the comparison. The results revealed that for higher concentrations, the thermal and electrical properties will be boosted, for instance, the maximum power enhancement for concentrations 0.01%, 0.03% and 0.05% are 2.29%, 4.12% and 11.83% above the PV panel, respectively. For thermal characteristics improvement, the nanofluid-cooled PVT with a concentration 0.05%, the betterment in the cooling is by 14.25% in contrast with the reference PV.

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