Experimental investigation on viscosity of AlN and SiC nanofluids

Ezekwem, Chidozie; Dare, Ademola A.

doi:10.1080/00986445.2020.1855151

Cited by 8 publications

(6 citation statements)

References 57 publications

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“…The heat absorption efficiency calculated using equation (12) describes the proficiency of the nanofluid system to absorb heat. The effect of nanoparticle addition on the absorption efficiency of nanofluids is presented in Supplementary Figure 21.…”

Section: The Heat Absorption Efficiencymentioning

confidence: 99%

Thermophysical and transient heat transfer characteristics of aqueous SiO₂ nanofluid in energy management applications

Mukherjee

Panda

Mishra

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part E:

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The development and implementation of transient heat transfer characteristics of nanofluids in energy management were studied. Ultrasonic-assisted SiO2/water nanofluids with 0.1–1.5 wt. % were prepared using polyvinyl alcohol (PVA) surfactant. The stability of nanofluids was tested and confirmed using zeta potential and light absorbance measurement. Thermophysical properties of nanofluid were investigated at various weight concentrations from 0.1 to 1.5 wt. % in a temperature range of 25–70°C. Transient heat transfer characteristics of nanofluids were examined. Thermophysical properties were enhanced by adding nanoparticles to base fluid. A major enhancement in transient heat transfer characteristics was obtained by applying SiO2/water nanofluids. The convective heat transfer coefficient (CHTC) was increased up to 2.37 times compared to water. The heat absorbance efficiency of the system is increased by a maximum of 24.54%. Finally, a new CHTC correlation has been proposed.

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Section: The Heat Absorption Efficiencymentioning

confidence: 99%

Thermophysical and transient heat transfer characteristics of aqueous SiO₂ nanofluid in energy management applications

Mukherjee

Panda

Mishra

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part E:

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“…Many studies have been carried out on the rheological properties of nanofluids [6][7][8][9][10][11][12][13][14]. Minakov [6] systematically measured the viscosity of more than 30 different nanofluids based on distilled water, ethylene glycol, and engine oil, suggesting that their viscosity increases with decreasing particle diameter.…”

Section: Introductionmentioning

confidence: 99%

“…Minakov [6] systematically measured the viscosity of more than 30 different nanofluids based on distilled water, ethylene glycol, and engine oil, suggesting that their viscosity increases with decreasing particle diameter. Ezekwem [7] proposed a relationship of viscosity with temperature and volume concentration for AlN and SiC nanofluids. The nanofluid viscosity decreases significantly with temperature and increases with nanoparticle volume concentration.…”

Section: Introductionmentioning

confidence: 99%

Interfacial interaction–driven rheological properties of quartz nanofluids from molecular dynamics simulations and density functional theory calculations

et al. 2022

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Correlations of the shear viscosity of quartz nanofluids with particle concentration, particle size, and temperature were investigated with molecular dynamics simulations and density functional theory (DFT) calculations. A new understanding to the experimentally concluded correlations was addressed in terms of microscopic particle–water interfacial interaction in three aspects. First, the viscosity of quartz nanofluids at different particle concentrations, particle sizes, and temperatures were simulated using the equilibrium molecular dynamics simulations method to reproduce the experimental observations. At the same particle size, the nanofluid viscosity decreases significantly with temperature and increases with nanoparticle volume concentration, and at the same volume concentration, the nanofluid viscosity increases with the decrease of particle size. Second, DFT calculations confirm a stronger particle–water interaction than that among water molecules. The important role of particle–water interaction in the viscosity determination of nanofluids was revealed. Finally, a correlation was proposed to fit the simulated results and compared with earlier two-parameter correlations. One parameter in the correlation is indeed a constant, while the other is a function of SiO2–water interaction energy. Our study proposes a physical basis for the experimentally concluded correlations on the viscosity of nanofluids.

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“…Ezekwem [7] proposed a relationship of viscosity with temperature and volume fraction for AlN and SiC nano uids. The nano uid viscosity decreases signi cantly with temperature, and increases with nanoparticle volume fraction.…”

Section: Introductionmentioning

confidence: 99%

“…Many studies have been carried out on the rheological properties of nano uids [6][7][8][9][10][11][12][13][14]. Minakov [6] systematacially measured the viscosity of more than 30 different nano uids based on distilled water, ethylene glycol and engine oil, suggesting that their viscosity increases with decreasing particle diameter.…”

Section: Introductionmentioning

confidence: 99%

Interfacial interaction driven rheological properties of quartz nanofluids from molecular dynamics simulations and density functional theory calculations

Lou

Chen

Cui

et al. 2022

Preprint

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Correlations of the shear viscosity of quartz nanofluids with particle concentration, particle size, and temperature were investigated with molecular dynamics simulations and density functional theory (DFT) calculations. A new understanding to the experimentally concluded correlations was addressed in terms of microscopic particle–water interfacial interaction in three aspects. First, the viscosity of quartz nanofluids at different particle concentrations, particle sizes and temperatures was simulated using the equilibrium molecular dynamics simulations method to reproduce the experimental observations. The important role of particle–water interaction in the viscosity determination of nanofluids was revealed. Second, DFT calculations confirm a stronger particle–water interaction than that among water molecules. Finally, a correlation was proposed to fit the simulated results and compared with earlier two-parameter correlations. One parameter in the correlation is indeed a constant, while the other is a function of SiO2–water interaction energy. Our study proposes a physical basis for the experimentally concluded correlations on the viscosity of nanofluids.

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Experimental investigation on viscosity of AlN and SiC nanofluids

Cited by 8 publications

References 57 publications

Thermophysical and transient heat transfer characteristics of aqueous SiO₂ nanofluid in energy management applications

Thermophysical and transient heat transfer characteristics of aqueous SiO₂ nanofluid in energy management applications

Interfacial interaction–driven rheological properties of quartz nanofluids from molecular dynamics simulations and density functional theory calculations

Interfacial interaction driven rheological properties of quartz nanofluids from molecular dynamics simulations and density functional theory calculations

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Experimental investigation on viscosity of AlN and SiC nanofluids

Cited by 8 publications

References 57 publications

Thermophysical and transient heat transfer characteristics of aqueous SiO2 nanofluid in energy management applications

Thermophysical and transient heat transfer characteristics of aqueous SiO2 nanofluid in energy management applications

Interfacial interaction–driven rheological properties of quartz nanofluids from molecular dynamics simulations and density functional theory calculations

Interfacial interaction driven rheological properties of quartz nanofluids from molecular dynamics simulations and density functional theory calculations

Contact Info

Product

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Thermophysical and transient heat transfer characteristics of aqueous SiO₂ nanofluid in energy management applications

Thermophysical and transient heat transfer characteristics of aqueous SiO₂ nanofluid in energy management applications