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Article

Potential of Solar Collectors for Clean Thermal Energy Production in Smart Cities using Nanofluids: Experimental Assessment and Efficiency Improvement

1
School of Mechanical Engineering, the University of Adelaide, Adelaide, South Australia, Australia
2
Department of Mechanical and Industrial Engineering, College of Engineering, Majmaah University, Al-Majmaah 11952, Saudi Arabia
3
Department of Electrical Engineering, College of Engineering, Majmaah University, Al-Majmaah 11952, Saudi Arabia
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Division of Computational Physics, Institute for Computational Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam
5
Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(9), 1877; https://doi.org/10.3390/app9091877
Received: 3 April 2019 / Revised: 22 April 2019 / Accepted: 27 April 2019 / Published: 7 May 2019
(This article belongs to the Special Issue Solar Energy Applications in Houses, Smart Cities and Microgrids)
In this article, an experimental study was performed to assess the potential thermal application of a new nanofluid comprising carbon nanoparticles dispersed in acetone inside an evacuated tube solar thermal collector. The effect of various parameters including the circulating volumetric flow of the collector, mass fraction of the nanoparticles, the solar irradiance, the tilt angle and the filling ratio values of the heat pipes on the thermal performance of the solar collector was investigated. It was found that with an increase in the flow rate of the working fluid within the system, the thermal efficiency of the system was improved. Additionally, the highest thermal performance and the highest temperature difference between the inlet and the outlet ports of the collector were achieved for the nanofluid at wt. % = 0.1. The best tilt angle and the filling ratio values of the collector were 30° and 60% and the maximum thermal efficiency of the collector was 91% for a nanofluid at wt. % = 0.1 and flow rate of 3 L/min. View Full-Text
Keywords: solar collector; evacuated tube; carbon-acetone nanofluid; thermal performance solar collector; evacuated tube; carbon-acetone nanofluid; thermal performance
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MDPI and ACS Style

Sarafraz, M.M.; Tlili, I.; Abdul Baseer, M.; Safaei, M.R. Potential of Solar Collectors for Clean Thermal Energy Production in Smart Cities using Nanofluids: Experimental Assessment and Efficiency Improvement. Appl. Sci. 2019, 9, 1877. https://doi.org/10.3390/app9091877

AMA Style

Sarafraz MM, Tlili I, Abdul Baseer M, Safaei MR. Potential of Solar Collectors for Clean Thermal Energy Production in Smart Cities using Nanofluids: Experimental Assessment and Efficiency Improvement. Applied Sciences. 2019; 9(9):1877. https://doi.org/10.3390/app9091877

Chicago/Turabian Style

Sarafraz, M. M., Iskander Tlili, Mohammad Abdul Baseer, and Mohammad R. Safaei 2019. "Potential of Solar Collectors for Clean Thermal Energy Production in Smart Cities using Nanofluids: Experimental Assessment and Efficiency Improvement" Applied Sciences 9, no. 9: 1877. https://doi.org/10.3390/app9091877

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