Experimental investigations of nanofluids convective heat transfer in different flow regimes: A review

Bashirnezhad, Kazem; Ghavami, Mohammad; Al‐Rashed, Abdullah A.A.A.

doi:10.1016/j.molliq.2017.09.012

Cited by 36 publications

(7 citation statements)

References 129 publications

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“…Nanofluids are the most recent advancement in modern technology for enhancing the performance of engineering equipment and machinery [ 120 ]. The nanomaterial is dispersed with the basal fluid to prepare the nanofluids [ 121 ].…”

Section: The Reviewmentioning

confidence: 99%

Review of Recent Efforts in Cooling Photovoltaic Panels (PVs) for Enhanced Performance and Better Impact on the Environment

et al. 2022

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The global need for energy has grown in tandem with mankind’s development and spread. This has resulted in an increase in the use of fossil energy sources, a decline in these sources and an increase in pollution, necessitating the search for renewable energy sources. One of the important ways to reduce pollution resulting from the increasing consumption of fossil energy is to enhance the sources of solar energy, of which photovoltaic cells (PV) are one of its most important tools. Therefore, it was necessary to pay attention to improving its efficiency for it to become a promising source of clean energy. PVs turn solar energy into electricity; however, the amount of electricity generated decreases as the temperature of the cells rises in response to the sun’s heat. Cooling of the optical surfaces is one of the most important elements to consider while running solar PV systems to obtain maximum efficiency. The electrical efficiency of PVs is enhanced when suitable cooling technology is used, and the rate of cell breakdown is reduced over time, extending the life of the PV panels. There are many materials used to remove unwanted heat in PV cells, and in recent years, the focus has been on integrating nanomaterials in specific proportions with traditional cooling materials such as water to improve their thermal properties. As a bio-material that is environmentally friendly, renewable, sustainable, inexpensive and has high mechanical properties, cellulose nanocrystals (CNCs) are one of the most promising materials for improving the properties of cooling materials for cooling PV cells and improving their performance.

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Section: The Reviewmentioning

confidence: 99%

Review of Recent Efforts in Cooling Photovoltaic Panels (PVs) for Enhanced Performance and Better Impact on the Environment

et al. 2022

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“…), T f is the average temperature of the plasma [27], r p is the radius of the copper powder, ρ is the theoretical density of copper, L m is the latent heat of melting (203.44 J•g −1 ), and T m is the melting point (1356.6 K). When t f > t v , the powder is completely vaporized, while when t m < t f < t v , the powder is completely melted and partially vaporized, when t f < t m , the powder cannot be completely melted.…”

Section: The Formation Mechanism Of Multiscale Ultrafine Copper Powdermentioning

confidence: 99%

Synthesis of Multiscale Ultrafine Copper Powder via Radio Frequency Induction Coupled Plasma Treatment

Zhang

Gao

et al. 2022

Metals

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Nano-sized spherical copper powder has important applications in the fields of microelectronic devices, highly efficient catalysts and lubricant additives. In this study, nano-sized and micron-sized spherical copper powders were simultaneously prepared by radio frequency (RF) induction coupled plasma technology. The effects of processing parameters on the powder properties were studied. The results show that by inputting copper powder with D50 = 34.6 μm, nano-sized spherical powder with a particle size of 10–220 nm and micron-sized spherical powder with a particle size of 4.0–144.0 μm were obtained. The ratio of the nano-sized powder reached 86.4 wt.%. The optimal processing parameters are as follows: powder feed rate is 5.5 g/min, carrier gas flow rate is 5–6 L/min and reaction chamber pressure is 15 Psia. When the carrier gas flow rate is 6 L/min, in the plasma zone (>10,000 K), the powder with particle size <42.0 μm is completely vaporized, which forms nano-sized powder during cooling, while the powder with particle size >42.0 μm is melted and partially vaporized, forming a micron-sized powder. The research results provide a new way for engineering the production of copper nano-powder and some other nano-powders with low melting points, such as silver powder, tin powder and so on.

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“…The American Society of Heating, Nanofluid is the latest approach for modern technology to enhance the performance of engineering tools and machinery [9]. Nanofluids prepared by dispersing the nanoparticles into the base fluids [10,11].…”

Section: Ashraementioning

confidence: 99%

Analysis of efficiency enhancement of flat plate solar collector using crystal nano-cellulose (CNC) nanofluids

Farhana

Kadirgama

Mohammed

et al. 2021

Sustainable Energy Technologies and Assessments

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Experimental investigations of nanofluids convective heat transfer in different flow regimes: A review

Cited by 36 publications

References 129 publications

Review of Recent Efforts in Cooling Photovoltaic Panels (PVs) for Enhanced Performance and Better Impact on the Environment

Review of Recent Efforts in Cooling Photovoltaic Panels (PVs) for Enhanced Performance and Better Impact on the Environment

Synthesis of Multiscale Ultrafine Copper Powder via Radio Frequency Induction Coupled Plasma Treatment

Analysis of efficiency enhancement of flat plate solar collector using crystal nano-cellulose (CNC) nanofluids

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