Heat transfer enhancement in a hybrid microchannel-photovoltaic cell using Boehmite nanofluid |
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| Affiliation: | 1. Department of Energy Resourses Engineering, Egypt-Japan University of Science and Technology (E-JUST), Alexandria 21934, Egypt;2. Department of Chemical Science and Engineering, Tokyo Institute of Technology, Tokyo 152-8552, Japan;1. College of Power Engineering, Chongqing University, Chongqing 400044, China;2. Soft Matter Center, Guangdong Province Key Laboratory on Functional Soft Matter, Faculty of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, Guangdong, China;1. Solar Energy Research Institute (SERI), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia;2. Department of Machinery Equipment Engineering Techniques, Technical College Al-Musaib, Foundation of Technical Education, Baghdad, Iraq;1. Solar Energy Research Institute, Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor, Malaysia;2. Al-Musaib Technical College, Al-Furat Al-Awsat Technical University, 51009 Babylon, Iraq;1. Department of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad, Iran;2. Department of Chemical Engineering, Ferdowsi University of Mashhad, Mashhad, Iran |
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| Abstract: | Experiments were conducted to investigate the cooling performance of water-based Boehmite (AlOOH · xH2O) nanofluid in a hybrid photovoltaic (PV) cell. A Perspex plate consists of 40 parallel rectangular microchannels with a hydraulic diameter of 783 μm, a length of 24 cm, a width of 1.8 mm and a depth of 500 μm attached to the back of the cell. Cooling performances of water, as the base fluid, and three different concentrations of nanofluid (0.01, 0.1 and 0.3 wt.%) were compared. The nanofluid thermal performance has been assessed from the obtained results for outlet flow temperature and the average PV surface temperature. The average PV surface temperature decreased from 62.29 °C to 32.5 °C at zero and 300 ml/min of flow rate for 0.01 wt.% nanofluid, respectively. Moreover, the highest improving in the electrical efficiency was achieved about 27% for 0.01 wt.% concentration of the nanofluid at this flow rate. |
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