A comprehensive review on nanofluids: Synthesis, cutting-edge applications, and future prospects

International Journal of Thermofluids, Год журнала: 2024, Номер 22, С. 100595 - 100595

Опубликована: Фев. 9, 2024

Nanofluids, which are fluid suspensions containing nanoparticles, exhibit remarkable property enhancements even at low nanoparticle concentrations. Much of the research on nanofluids aims to understand their behavior for applications where heat transfer enhancement is crucial, spanning industrial, nuclear, transportation, electronics, biomedical, and food sectors. Notably, can act as smart fluids, allowing controlled modulation transfer. This paper presents an overview recent advances in nanofluid research, covering preparation techniques a wide range existing potential energy, mechanical engineering, biomedicine. Furthermore, highlights avenues future this field. In light findings, concludes that comprehensive hybrid model understanding thermophysical properties lacking. Further exploration additional unexplored aspects, particularly deemed essential. To capture entirety our study, graphical abstract provides representation.

Язык: Английский

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First-principles investigations on the elastic properties, thermodynamic properties, electronic structures and anisotropy sound velocity of AlTi3N, AlTi2N, AlTi4N3 and Al2Ti3N2 ternary nitrides

Chemical Physics Letters, Год журнала: 2025, Номер unknown, С. 141930 - 141930

Опубликована: Фев. 1, 2025

Язык: Английский

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Ferric oxide nanofluid on functional properties of parabolic trough solar collector under different flow rate

Applied Thermal Engineering, Год журнала: 2025, Номер unknown, С. 125608 - 125608

Опубликована: Янв. 1, 2025

Язык: Английский

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Green synthesized clove-treated carbon nanotubes/titanium dioxide hybrid nanofluids for enhancing flat-plate solar collector performance

Applied Thermal Engineering, Год журнала: 2024, Номер 246, С. 122982 - 122982

Опубликована: Март 17, 2024

Язык: Английский

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Investigations on the optical, dielectric, electrical, and rheological properties of PEG200/ZnO semiconducting nanofluids for soft matter based technological innovations

Hybrid Advances, Год журнала: 2024, Номер 5, С. 100140 - 100140

Опубликована: Янв. 10, 2024

Semiconducting nanofluids (SNFs) consisting of poly (ethylene glycol) (PEG200) as a green biocompatible base fluid with homogeneous dispersion eco-friendly zinc oxide (ZnO) nanomaterial, concentrations ranging from 0.01 to 0.20 wt%, are prepared by state-of-the-art ultrasonic cavitation homogenized process. These PEG200/ZnO SNFs characterized employing an ultraviolet-visible (UV-Vis) spectrophotometer, precision inductance-capacitance-resistance (LCR) meter, and rotational viscometer. A detailed analysis 200–800 nm range UV–Vis absorbance spectra these revealed longer stability suspended ZnO nanoparticles in PEG200 fluid, their nanomaterial dependent extinction coefficient tunable dual energy band gaps 3 5 eV. Optical performance recognized the potential applications advances soft matter based optoelectronic photosensitive devices also excellent UV radiation shielding material. The study 20 Hz – 1 MHz dielectric electrical explained that have significant impact on conductivity SNFs, while permittivity electrode polarization relaxation process marginally altered. High static (∼ 22) low about μS/cm order, at 303.15 K, evidence suitability storage devices. rheological behaviour materials is carried out different temperatures 323.15 which illustrates Newtonian characteristics moderate dynamic viscosity activation could be utilized effective heat transfer photovoltaic/thermal systems.

Язык: Английский

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Thermal and reactive effects in nanofluid flow around a contracting cylinder under magnetic field influence

International Journal of Thermofluids, Год журнала: 2024, Номер 22, С. 100710 - 100710

Опубликована: Май 1, 2024

This study investigates the dynamic behavior of natural ester-based ferrous oxide (Fe3O4) nanofluid flow around an unsteady contracting cylinder under influence a magnetic field, heat generation, and homogeneous-heterogeneous reactions. The governing equations for flow, transfer, chemical reactions are solved numerically using appropriate mathematical models. bvp4c built-in MATLAB package is applied to address complexity problem. effects reactive chemistry on temperature distribution, species concentration profiles analysed comprehensively. As part validation process, we validate reliability our findings by comparing them established benchmarks. Motivated increasing interest in environmentally friendly sustainable fluid mediums, esters chosen as base due their biodegradability, low toxicity, excellent insulating properties. research aims provide valuable insights into optimizing processes involving magnetohydrodynamic systems with utilizing promising alternative conventional fluids. Insights gained from this offer potential applications various engineering industrial contexts, contributing advancement eco-friendly technologies.

Язык: Английский

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Heat Transfer Enhancement by utilizing Al2O3-Water Nanofluid in a Coiled Agitated Vessel

Case Studies in Thermal Engineering, Год журнала: 2025, Номер 66, С. 105740 - 105740

Опубликована: Янв. 1, 2025

Язык: Английский

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Research on single layer quasi-ordered air vortex inside flat plate solar collectors

Solar Energy Materials and Solar Cells, Год журнала: 2025, Номер 282, С. 113398 - 113398

Опубликована: Янв. 5, 2025

Язык: Английский

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Innovative application of graphene nanoplatelet-based ionanofluids as heat transfer fluid in hybrid photovoltaic-thermal solar collectors

Scientific Reports, Год журнала: 2025, Номер 15(1)

Опубликована: Фев. 22, 2025

The ongoing pursuit of efficient solar thermal energy systems has driven significant interest in the development advanced nanofluids, particularly those utilizing carbon-based nanostructures such as graphene nanoplatelets (GNP) and carbon nanotubes (CNTs). These materials, when dispersed base fluids like water or ionic liquids, have gained attention for their tunable thermophysical properties, including conductivity, viscosity, specific heat capacity. This positioned them promising candidates enhancing performance collectors. However, literature examining direct experimental comparisons between behavior GNP-based CNT-based both liquid media, remains sparse. Similarly, studies evaluating how nanofluids affect overall efficiency collectors are limited fragmented. study investigates, first time, application ionanofluids (INFs) commercial hybrid photovoltaic-thermal (PVT) INFs were prepared using GNP 1-ethyl-3-methylimidazolium acetate ([Emim] Ac) liquid. Their density, capacity, comprehensively characterized. Long-term stability was also assessed to ensure consistent over time. Comparative tests with pure revealed that exhibited a significantly higher temperature rise within collector, attributed lower resulted an exergy improvement 5% compared alone, underscoring potential transfer high-temperature systems. findings highlight novelty applications pave way future research optimizing nanofluid compositions renewable

Язык: Английский

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Heat transfer performance and flow characteristics of oil-ZnO nanofluid in an alternating flattened tube in dual-tube heat exchanger: Experimental and numerical approaches

International Journal of Thermal Sciences, Год журнала: 2024, Номер 204, С. 109180 - 109180

Опубликована: Июнь 3, 2024

Язык: Английский

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