Development of partitioned rectangular-shaped heat sink for photovoltaic thermal systems and performance evaluation using TiO 2 / water-based nanofluids

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dc.authorid0000-0002-5475-8111
dc.authorid0000-0001-8612-2233
dc.contributor.authorGeliş, Kadir
dc.contributor.authorAl-Khatib, Omar A.
dc.contributor.authorÖzbek, Kadir
dc.date.accessioned2024-09-25T19:58:59Z
dc.date.available2024-09-25T19:58:59Z
dc.date.issued2024
dc.departmentBAİBÜ, Mühendislik Fakültesi, Makine Mühendisliği Bölümü en_US
dc.description.abstractThe current study presents a partitioned rectangular-shaped heat sink for improving the PVT system performance. The experiment was examined under various experimental parameters. Five cooler block types with different dimensions were arranged to share the same total contact area with the panel back surface. These cooler blocks were placed in different arrangements, namely (PVT-I, PVT-II, PVT-III, PVT-IV, PVT-V), and studied comparatively using water. The dimensions and numbers of each cooler block arrangement were altered, while maintaining the same surface area in contact with the photovoltaic panel. Through the response surface methodology (RSM) optimization, the optimal arrangement with the best performance was determined, and then TiO 2 /nanofluid was applied to that arrangement with different volumetric concentrations. Using water, the highest electrical and thermal efficiencies were obtained by case PVT-III with values of 19.39 % and 63.72 %, respectively. This was followed by PVT-II, PVT-V, PVT-I, and PVT-IV in that order for electrical efficiency; and at the same time by PVT-II, PVT-I, PVT-IV, and PVT-V in that order for thermal efficiency. The RSM method recommended the optimal arrangement case as case PVT-III. By using nanofluid in that case arrangement, the highest electrical efficiency value was recorded upon using 0.3 wt% and operating the system at 1.5 L/m and 900 W/m 2 . Regarding the thermal efficiency results, in that case, the highest and lowest values were recorded upon using 0.3 wt% and 0.1 wt%, respectively, with values of 72.49 % and 31.19 %. Increasing the volumetric concentrations positively reflected on the system ' s performance, resulting in high efficiencies being achieved. In addition, the highest electrical efficiencies were obtained at high levels of solar irradiance and flow rates.en_US
dc.identifier.doi10.1016/j.applthermaleng.2024.123220
dc.identifier.issn1359-4311
dc.identifier.issn1873-5606
dc.identifier.scopus2-s2.0-85191199181en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.applthermaleng.2024.123220
dc.identifier.urihttps://hdl.handle.net/20.500.12491/13848
dc.identifier.volume248en_US
dc.identifier.wosWOS:001232637900002en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorÖzbek, Kadir
dc.institutionauthorGeliş, Kadir
dc.institutionauthorid0000-0002-5475-8111
dc.institutionauthorid0000-0001-8612-2233
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofApplied Thermal Engineeringen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmzYK_20240925en_US
dc.subjectNanofluidsen_US
dc.subjectPVTen_US
dc.subjectResponse Surface Methodologyen_US
dc.subjectVolumetric Concentrations
dc.subjectFive Cooler Block
dc.subjectElectrical Efficiency
dc.titleDevelopment of partitioned rectangular-shaped heat sink for photovoltaic thermal systems and performance evaluation using TiO 2 / water-based nanofluidsen_US
dc.typeArticleen_US

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