Performance of a hybrid photovoltaic/thermal system utilizing water‐Al
            <sub>2</sub>
            O
            <sub>3</sub>
            nanofluid and fins

Hader, M. A.; Al‐Kouz, Wael

doi:10.1002/er.4253

Cited by 45 publications

(22 citation statements)

References 27 publications

(34 reference statements)

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“…The addition of the nanoparticles in the PCM layer turned out to be reasonable since more efficient thermal regulation of the PCM‐layer can be ensured. An analysis of water‐Al 2 O 3 nanofluid was conducted for a hybrid PV/T system . The authors examined the influence of fins in the cooling duct, by varying the fin length.…”

Section: Introductionmentioning

confidence: 99%

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Further progress in the research of fin‐based passive cooling technique for the free‐standing silicon photovoltaic panels

et al. 2019

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Summary The paper deals with a passive air‐based cooling technique of photovoltaic (PV) panels in operating conditions. Cooling technique is done by specific type of using aluminium fins, and its main purpose is to increase the electrical efficiency of the PV panel. An increase in electrical efficiency can be achieved because of temperature degradation effect, where the PV panel yields less power at higher operating temperatures (the PV panel's efficiency can drop by up to 0.5%/°C). To confirm a cooling technique, a medium‐sized PV system was used in a 2‐month experiment. The experiment was done in realistic operating conditions, and all working parameters were thoroughly measured. After the analysis of the data, no significant raise in electrical efficiency was recorded throughout the experiment. A numerical approach was conducted, based on gained experimental data. Developed numerical model gave explanations of experimental results and provided an insight in heat flow through the PV cell. Later on, developed numerical model was used to propose new cooling variations of the fin‐based technique and to further examine the overall potential of air based passive cooling techniques. It was shown that cooling effect by up to 5°C is a realistic expectation for this technique in described operating conditions.

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Section: Introductionmentioning

confidence: 99%

“…An analysis of water-Al 2 O 3 nanofluid was conducted for a hybrid PV/T system. 13 The authors examined the influence of fins in the cooling duct, by varying the fin length. The uniform cooling of the PV panels, ie, a review of different cooling strategies, was thoroughly elaborated.…”

Section: Introductionmentioning

confidence: 99%

Further progress in the research of fin‐based passive cooling technique for the free‐standing silicon photovoltaic panels

et al. 2019

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“…The absorption of heat leads to poor electrical efficiency due to the increase of cell temperature. 15 Including fins on the PV module increases the overall efficiency of the system. In recent years, the PV systems had been integrated with techniques such as passive and active control system.…”

Section: Introductionmentioning

confidence: 99%

Progress of MWCNT, Al ₂ O ₃ , and CuO with water in enhancing the photovoltaic thermal system

et al. 2019

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Hybrid photovoltaic thermal system is an effective method to convert solar energy into electrical and thermal energy. However, its effectiveness is widely affected due to the high temperature of photovoltaic panel, and it can be minimized by employing nanofluids to the PV/T systems. In this research, the effect of various nanoparticles on the PV/T systems was studied experimentally. The nanofluids Al 2 O 3 , CuO, and multiwall carbon nanotube (MWCNT) were dispersed with water at different volume fractions of 0, 0.5, 1, 2.5, and 5 (vol%) using ultrasonication process. The effect of nanomaterials on viscosity and density was classified. All tests were carried out in an outdoor laboratory setup for calibrating the PV temperatures, thermal conductivity, electrical power, electrical efficiency, and overall efficiency. In addition, the energy analyses were also made to estimate the loss of heat owing to the nanofluids. Results show that use of the nanofluid increased the electric power and electrical efficiency of PV/T compared with water. Furthermore, MWCNT and CuO reduced the cell temperature by 19%. Consequently, the nanofluids MWCNT, Al 2 O 3 , and CuO produced the impressive values of 60%, 55%, and 52% increase in an average electrical efficiency than conventional PV. Particularly, the MWCNT produced superior results compared with other materials. It is evidently clear from the result that the introduction of the nanofluid increases the thermal efficiency without adding any extra energy to the system. Moreover, insertion of Al 2 O 3 , CuO, and MWCNT on PV/T system increases the exergy efficiency more than conventional PV module.How to cite this article: Sangeetha M, Manigandan S, Chaichan MT, Kumar V. Progress of MWCNT, Al 2 O 3 , and CuO with water in enhancing the photovoltaic thermal system. Int J Energy Res.

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“…They indicated that the circular spiral semiflattened design absorber has the best results for the PV cooling . Hader and Al‐Kouz focused on employing heat exchanger with attached fins to the parallel plates and water‐Al 2 O 3 nanofluid as a working fluid in their theoretical study …”

Section: Introductionmentioning

confidence: 99%

Energy, exergy, and economical analyses of a photovoltaic thermal system integrated with the natural zeolites for heat management

Kandilli

2019

Int J Energy Res

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Summary In this study, the first time in the literature, natural zeolite has been employed for photovoltaic thermal (PVT) and experimentally tested as a thermal energy storage material. The main aim of the paper is to introduce natural zeolite as a heat storage material for PVT systems. The PVT systems integrated with phase change materials and natural zeolite were designed, the components of the system were explained, the thermodynamical modelling including the first and second laws was presented, the system performances were evaluated, performance parameters were investigated, energy and exergy efficiencies were determined, and economical analyses of each system were performed. Besides, all results were compared with a conventional PVT system. The average overall energy efficiency values for PVT experiments were 33% for paraffin, 37% for stearic acid, 40% for zeolite, and 32% for conventional PVT systems. The payback period of the PVT system with paraffin, zeolite, stearic acid, and conventional PVT was calculated as 10, 8, 9, and 9 years, respectively. The results show that the natural zeolite is a material with significant potential to be used for heat management in PVT for any meteorological condition.

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Performance of a hybrid photovoltaic/thermal system utilizing water‐Al ₂ O ₃ nanofluid and fins

Cited by 45 publications

References 27 publications

Further progress in the research of fin‐based passive cooling technique for the free‐standing silicon photovoltaic panels

Further progress in the research of fin‐based passive cooling technique for the free‐standing silicon photovoltaic panels

Progress of MWCNT, Al ₂ O ₃ , and CuO with water in enhancing the photovoltaic thermal system

Energy, exergy, and economical analyses of a photovoltaic thermal system integrated with the natural zeolites for heat management

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Performance of a hybrid photovoltaic/thermal system utilizing water‐Al 2 O 3 nanofluid and fins

Cited by 45 publications

References 27 publications

Further progress in the research of fin‐based passive cooling technique for the free‐standing silicon photovoltaic panels

Further progress in the research of fin‐based passive cooling technique for the free‐standing silicon photovoltaic panels

Progress of MWCNT, Al 2 O 3 , and CuO with water in enhancing the photovoltaic thermal system

Energy, exergy, and economical analyses of a photovoltaic thermal system integrated with the natural zeolites for heat management

Contact Info

Product

Resources

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Performance of a hybrid photovoltaic/thermal system utilizing water‐Al ₂ O ₃ nanofluid and fins

Progress of MWCNT, Al ₂ O ₃ , and CuO with water in enhancing the photovoltaic thermal system