Experimental investigation on the effect of using nano fluid (Al2O3-Water) on the performance of PV/T system

•Experimental study for the effect of using Al2O3 nanofluid on the performance of PV/T.•Volume concentrations of (0.05, 0.75, 0.1, 0.2 and 0.3)% were used compared to water.•The results showed that using nano fluid increases the combined performance of PV/T.•Enhancement percentages of 74 and 56% at...

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Bibliographic Details
Published in:Thermal science and engineering progress 2018-09, Vol.7, p.1-7
Main Authors: Abdallah, Saber Ragab, Elsemary, Ismail M.M., Altohamy, Ahmed A., Abdelrahman, M.A., Attia, Ahmed A.A., Abdellatif, Osama Ezzat
Format: Article
Language:English
Subjects:
Combined system
Nanofluids
PV/T
Solar PV
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Summary:•Experimental study for the effect of using Al2O3 nanofluid on the performance of PV/T.•Volume concentrations of (0.05, 0.75, 0.1, 0.2 and 0.3)% were used compared to water.•The results showed that using nano fluid increases the combined performance of PV/T.•Enhancement percentages of 74 and 56% at volume concentration 0.1% V were obtained. In the following, a work was conducted to evaluate the performance of PV/T system when using Nano fluid as working fluid. The used Nano fluid consists of Al2O3 50 nm suspended in water as base fluid. Firstly, Tests were performed with different flow rates of water as a cooling agent, and then volume concentrations ratios (0.05, 0.075, 0.1, 0.2, .03) were used as a working fluid at the highest flow rate. The results showed that using Nano fluid increases the combined performance of PV/T by 74 and 56% at volume concentration 0.1% V Concentration. The optimum flow rates achieved in the experiment was 1.2 l/mini. Finally using Nano fluid increases the efficiency of PV/T system significantly.
ISSN:2451-9049
2451-9049
DOI:10.1016/j.tsep.2018.04.016