Experimental and Numerical Investigation of Combined Photovoltaic-Thermal Solar System in Hot Climate

Ghoneim, Adel A.; Mohammedein, Adel M.

doi:10.9734/bjast/2016/26151

Cited by 5 publications

(2 citation statements)

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“…A. Ghoneim and A. M. Mohammedein, 2016); 22where el, ref is a reference efficiency of the solar cell at solar irradiance 1000 W/m 2 , µ sc is the percentage of electrical loss per temperature degree (µ sc = 0.0045) and temperature…”

Section: Thermal Modelmentioning

confidence: 99%

The performance of water cooled photovoltaic panel, under concentrating system

2019

Aust. J. Basic & Appl. Sci

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INTRODUCTION Nowadays, 80 percent of the world energy is produced from fossil fuels (Efstartios Channiotakis, 2001). The exhaust products of using these resources affect the environment, mainly through global warming and acid rain. Currently, oil provides more than 35% of the global primary energy, coal, and natural gas add 23% and 21% respectively (Goldemberg, 2000; Johansson and Goldemberg, 2002). The fossil fuels distribution around the world is uneven, with more than half of them in the Middle East. This leads to an unbalanced economy around the world that affects the whole political geography. The burning of fossil fuel produces atmospheric emission of CO 2 (carbon dioxide), where its concentration will cause an average temperature rise of 3-5 ºC (Efstartios Channiotakis, 2001). Taking into account above, as well as the fact that oil is running out quickly, alternatives should be adopted. Renewable energy is one of the promising options for the above problems. PV (Photovoltaic) panels, in particular, can provide a good source of producing clean electricity. The efficiency range of conversion solar radiation is about 5-20%, depend on the type of the cell (JohnTwidell and Tony Weir, 2006). Most commercial PV cells are made from silicone and come in two general types, mono-crystalline, and multi-crystalline (Paul A. lynn, 2010). This type of PV cells is the most efficient, with approximately 15% efficiency. The amount of sun energy converted to electrical power depends on the intensity of solar radiation fall in PV cells (He W et al., 2006).

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Section: Thermal Modelmentioning

confidence: 99%

The performance of water cooled photovoltaic panel, under concentrating system

2019

Aust. J. Basic & Appl. Sci

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“…A. A. Ghoneim and A. M. Mohammedein, 2016 [9] Theoretically and experimentally investigate the performance PV/T in Kuwait climate. A Hybrid PVT solar system with hot water storage tank simulation model was developed by TRNSYS.…”

Section: Introductionmentioning

confidence: 99%

Numerical Performance Investigation of Hybrid PV/Thermal System

Al-Chlaihawi¹,

Hamzah²,

Zarzoor³

et al. 2018

IJET

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Promoting reduction of PV temperature plays crucial role in increasing electrical performance. The present work deal with different types of absorber shape for analysing heat transfer phenomena. Serpentine and spiral absorber are using to verify this purpose with different boundary conditions of inlet mass flow rate and inlet temperatures.The recent study was conducted to evaluate the effect of some operating and designing parameters such as solar radiation levels, flow rates, absorber shape and cooling water temperature on the performance of PVT system numerically. Performance of PVT system determined by thermal efficiency, electrical efficiency and the summation of both known as total or PVT efficiency. Solar radiation ranging from 500 W/m 2 to1000 W/m 2 was introduced and at each, flow rates of water ranging from 0.016 kg/s to 0.05 kg/s. The results show that the performance of PVT increases with a flow rate at all radiation levels. Also the spiral flow absorber gives a higher performance than serpentine absorber where the value of of spiral absorber is increased by about 5.2% compared to the value of serpentine absorber, on the other hand, the rate of heat loss ( decreased by about 10%.Increasing initial cooling water temperature degrades electrical efficiency of PVT system.

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Experimental investigation of PV/thermal collector with theoretical analysis

Omer

Zala

2018

Renewable Energy Focus

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Experimental and Numerical Investigation of Combined Photovoltaic-Thermal Solar System in Hot Climate

Cited by 5 publications

References 0 publications

The performance of water cooled photovoltaic panel, under concentrating system

The performance of water cooled photovoltaic panel, under concentrating system

Numerical Performance Investigation of Hybrid PV/Thermal System

Experimental investigation of PV/thermal collector with theoretical analysis

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