Experimental investigations of the performance of a flat-plate solar collector using carbon and metal oxides based nanofluids

Akram, Naveed; Montazer, Elham; Kazi, S.N.; Soudagar, Manzoore Elahi M.; Ahmed, Waqar; Zubir, Mohd Nashrul Mohd; Afzal, Asif; Muhammad, M. R.; Ali, Hafız Muhammad; Márquez, Fausto Pedro García; Sarsam, Wail Sami

doi:10.1016/j.energy.2021.120452

Cited by 123 publications

(28 citation statements)

References 55 publications

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“…In addition, the use of solar energy provides a positive impact on the environmental, economic, and political issues of the world [105,106], because electricity or thermal energy generated via nonrenewable sources (such as coal, gas, and burning of oil) will lead to global warming and environmental pollutions. Whereas renewable energy via solar is available in a free and environmentally friendly manner [107,108]. The Gulf region is located where the light and heat energy from the sun is available for the whole year and for a long duration of about 9-11 h per day.…”

Section: Solar Energy Potential In the Gcc Regionmentioning

confidence: 99%

Potential of Utilization of Renewable Energy Technologies in Gulf Countries

et al. 2021

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This critical review report highlights the enormous potentiality and availability of renewable energy sources in the Gulf region. The earth suffers from extreme air pollution, climate changes, and extreme problems due to the enormous usage of underground carbon resources applications materialized in industrial, transport, and domestic sectors. The countries under Gulf Cooperation Council, i.e., Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and the United Arab Emirates, mainly explore those underground carbon resources for crude oil extraction and natural gas production. As a nonrenewable resource, these are bound to be exhausted in the near future. Hence, this review discusses the importance and feasibility of renewable sources in the Gulf region to persuade the scientific community to launch and explore renewable sources to obtain the maximum benefit in electric power generation. In most parts of the Gulf region, solar and wind energy sources are abundantly available. However, attempts to harness those resources are very limited. Furthermore, in this review report, innovative areas of advanced research (such as bioenergy, biomass) were proposed for the Gulf region to extract those resources at a higher magnitude to generate surplus power generation. Overall, this report clearly depicts the current scenario, current power demand, currently installed capacities, and the future strategies of power production from renewable power sources (viz., solar, wind, tidal, biomass, and bioenergy) in each and every part of the Gulf region.

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Section: Solar Energy Potential In the Gcc Regionmentioning

confidence: 99%

Potential of Utilization of Renewable Energy Technologies in Gulf Countries

et al. 2021

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“…The exergy of solar radiation absorbed by the receiver tube can be calculated by Petela's formula which is expressed as [26] as Ex Q   (11) where for the ideal process, Qs is the received solar energy. The stands for the maximum work obtained from the solar radiation and it can be further written by [27,28]:…”

Section: Ex Exmentioning

confidence: 99%

Assessment of an integrated solar combined cycle system based on conventional and advanced exergetic methods

Wang¹,

Wei²,

Sajid

et al. 2022

THERM SCI

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An integrated solar combined cycle system based on parabolic trough solar collector and combined cycle power plant is proposed. The advanced system is socio-economic significance compared to traditional combined cycle power system. Plainly, the exergetic analyses (exergy destruction and efficiency) via conventional and advanced methods are used for thermodynamic properties of the integrated solar combined cycle system components. In addition, the exergy destruction is divided into endogenous, exogenous, avoidable, and unavoidable. The results show that the combustion chamber has the largest fuel exergy and the highest endogenous exergy destruction rate of 1001.60 MW and 213.87 MW, respectively. Additionally, the combustion chamber has the highest exergy destruction rate of 235.60 MW(60.29%), followed by the parabolic trough solar collector of 54.20 MW(13.87%). For overall system, the endogenous exergy destruction rate of 320.83 MW (82.10%) and exogenous exergy destruction rate of 69.97 MW (17.90%) are resulted via the advanced exergy analysis method. Besides?Several methods to reduce the exergy destruction and improve the components? efficiency are put forward.

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“…Akram et al [32] carried out an experimental investigation on the thermal performance of a flat-plate solar collector using f-GNPs, ZnO, and SiO 2 water based nanofluid as working fluid.…”

Section: Experimental Measurements and Setups For Natural And Forced Convection Under The Laminar Regimementioning

confidence: 99%

A Critical Review of Experimental Investigations about Convective Heat Transfer Characteristics of Nanofluids under Turbulent and Laminar Regimes with a Focus on the Experimental Setup

et al. 2021

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In this study, several experimental investigations on the effects of nanofluids on the convective heat transfer coefficient in laminar and turbulent conditions were analyzed. The aim of this work is to provide an overview of the thermal performance achieved with the use of nanofluids in various experimental systems. This review covers both forced and natural convection phenomena, with a focus on the different experimental setups used to carry out the experimental campaigns. When possible, a comparison was performed between different experimental campaigns to provide an analysis of the possible common points and differences. A significant increase in the convective heat transfer coefficient was found by using nanofluids instead of traditional heat transfer fluids, in general, even with big data dispersion from one case to another that depended on boundary conditions and the particular experimental setup. In particular, a general trend shows that once a critic value of the Reynolds number or nanoparticle concentrations is reached, the heat transfer performance of the nanofluid decreases or has no appreciable improvement. As a research field still under development, nanofluids are expected to achieve even higher performance and their use will be crucial in many industrial and civil sectors to increase energy efficiency and, thus, mitigate the environmental impact.

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Experimental investigations of the performance of a flat-plate solar collector using carbon and metal oxides based nanofluids

Cited by 123 publications

References 55 publications

Potential of Utilization of Renewable Energy Technologies in Gulf Countries

Potential of Utilization of Renewable Energy Technologies in Gulf Countries

Assessment of an integrated solar combined cycle system based on conventional and advanced exergetic methods

A Critical Review of Experimental Investigations about Convective Heat Transfer Characteristics of Nanofluids under Turbulent and Laminar Regimes with a Focus on the Experimental Setup

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