Yazar "Can, Omer Faruk" seçeneğine göre listele

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    Experimental and numerical assessment of PV-TvsPV by using waste aluminum as an industrial symbiosis product
    (Pergamon-Elsevier Science Ltd, 2022) Can, Omer Faruk; Arslan, Erhan; Kosan, Meltem; Demirtas, Mehmet; Aktas, Mustafa; Aktekeli, Burak
    Photovoltaic thermal (PV-T) collectors provide an advantage over normal photovoltaic (PV) module use by generating electrical energy and heat energy at the same time. In addition, it is possible to get more energy by increasing the electrical efficiency by cooling the PV module of the PV-T systems. In this study, PV-T system using waste aluminum and PV module were tested numerically and experimentally and their performances were compared with each other. With 4E analysis, the advantage of PV-T system over PV module was revealed. Various configurations of the PV-T (different geometries of waste aluminum) were analyzed in CFD before the experiments were carried out. Agreement between CFD and experimental results were obtained with 6.8% average error. The PV-T system was tested under similar meteorological conditions at an airflow of 50, 75 and 100 m(3)/h. Consequently, the thermal and electrical efficiencies of the PV-T collector were determined to be 33.41%, 41.17%, 49.62% and 11.57%, 12.99%, 13.17%, respectively. On the other hand, the electrical efficiencies of the PV module under the same condition were calculated as 10.96%, 12.04%, 11.74%. Thanks to the using waste aluminum the PV-T module was cooled to 6.79 degrees C and it has been obtained more 16.78% in electrical efficiency.
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    Öğe
    Experimental and numerical investigation of a novel photovoltaic thermal (PV/T) collector with the energy and exergy analysis
    (Elsevier Sci Ltd, 2020) Arslan, Erhan; Aktas, Mustafa; Can, Omer Faruk
    The high energy costs and environmental factors in energy systems cause pushed researchers to produce both heat and electricity from a single collector. In this context sustainable solar photovoltaic thermal energy system stand out with cleaner heat and electricity production at the same time. In this study, a new type of finned air fluid photovoltaic-thermal collector was designed, manufactured and tested. Numerical and experimental analysis were performed with different mass flow rates. Numerical analysis of the PV/T design was carried out before the experiments were conducted. ANSYS program was used to predict the surface temperature of PV module based numerical simulations validation ensures good agreement between the numerical and experimental results. In this way, the energy efficiency of the collector and the temperature of the outlet hot air were wanted to be estimated without experiment. The experiments were performed in two different mass flow rates [m(a) = 0.031087 kg/s and m(b) = 0.04553 kg/s] under similar meteorological conditions by investigating the effect of cooling on the PV module. Thanks to cooling of PV, 0.42% improvement in electrical efficiency was achieved. Energy and exergy analyses were performed to analyze the thermal and electrical efficiency of the PV/T collector. Thanks to the cooling of the PV panel, electrical efficiency increased by 0.42%. The average thermal and electrical efficiency of PV/T were obtained as for m(a) = 0.031087 kg/s 37.10% and 13.56% and for m(b) = 0.04553 kg/s 49.5% and 13.98%, respectively. Energy and exergy analyses were performed to analyze the thermal and electrical efficiency of the collector. The average thermal and electrical efficiency of PV/T were obtained as for m(a) = 0.031087 kg/s 37.10% and 13.56% and for m(b) = 0.04553 kg/s 49.5% and 13.98%, respectively. This study offers an efficient solution to numerical and experimental aspects air cooled PV/T for industrial producers with energy and exergy perspective. (C) 2020 Elsevier Ltd. All rights reserved.
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    Öğe
    Numerical investigation of wind resistance and heat island formation in buildings of different configurations
    (Pamukkale Univ, 2024) Can, Omer Faruk
    As a result of increasing population density, problems in residential areas have emerged in cities in recent years. With the development of technology, engineers have turned to the construction of taller buildings to meet the increasing demand. As a result, heat island formation becomes inevitable if there is not enough distance between buildings. In this study, it is aimed to numerically investigate the heat island formation and wind effects in buildings. The Ansys Cfx software program was used for the modeling process. Six different building configurations were analyzed to investigate heat island formation. Building heights and inter-building distances were varied for different aspect ratios. As a result of the study, more heat islands formed when the distance between buildings was smaller. As a result of the study, more heat island formation was observed in the first four cases (C1- C4) C5 and C6 were found to be the most suitable building sequences. drag coefficients (Cd) were obtained in the range of 1.35 to 1.65for different building sequences. As a result of the cooling effects of the wind on the building, a decrease of 2 to 5 degrees in the average temperature of the building was observed. The average heat transfer coefficient is (68 W/mK) when only concrete is used in buildings. The best insulation was realized when glass wool was used.