Optimal nanofluid selection for photovoltaic/thermal (PV/T) systems in adverse climatic conditions,Case Studies in Thermal Engineering

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Optimal nanofluid selection for photovoltaic/thermal (PV/T) systems in adverse climatic conditions
Case Studies in Thermal Engineering ( IF 6.4 ) Pub Date : 2024-12-07 , DOI: 10.1016/j.csite.2024.105610
Miqdam T. Chaichan, Hussein A. Kazem, Maytham T. Mahdi, Ali H.A. Al-Waeli, Anees A. Khadom, K. Sopian

For PV/T systems, nanofluids are used to collect thermal energy and cool the PV panels in order to generate more electricity. To date, researchers have not agreed on a name for the optimal nanofluid for photovoltaic thermal (PV/T) applications, despite extensive experiments on a variety of nanofluids and in various types of heat exchangers. In this practical study, an attempt is made to find a method for selecting the best nanofluid from a large number of these fluids. The various nanoparticles were chosen based on their availability in local markets and subjected to numerous studies including nanofluids. SWCNT, MWCNT, SiC, ZnO, TiO2, CuO, and Al2O3 particles were mixed with water (primary liquid) to form seven coolants. By examining the thermophysical properties of the prepared suspensions (SWCNT, MWCNT, SiC, TiO2, ZnO, CuO, and Al2O3), it was found that their densities increased by 0.5 %, 0.8 %, 13.3 %, 1.67 %, 11.03 %, 9.32 %, and 7.32 % compared to water, respectively. Also, the viscosity was increased by 1.83 %, 0.84 %, 11.82 %, 1.14 %, 1.43 %, 1.44 % and 3.92 % compared to water, respectively. As well as their thermal conductivities increased by 103.3 %, 81.6 %, 66.1 %, 36.6 %, 40 %, 21 %, and 27 % compared to water, respectively.

更新日期：2024-12-07

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