Aggregation, rheology and electrophoretic packing structure of aqueous A12O3 nanoparticle suspensions

Tseng, Wenjea J.; Wu, Cheng‐Shyong

doi:10.1016/s1359-6454(02)00142-8

Cited by 108 publications

(50 citation statements)

References 35 publications

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“…Increasing the shear stress is so that the particles or clusters are displaced from their equilibrium position to become a disorder structure which dissipates more energy during flow leading to the increase of the mixture viscosity. Shear thickening of Al 2 O 3 aqueous nanofluid was also observed in [30].…”

Section: Rheological Properties Of Nanofluids: Influence Of Shear Ratmentioning

confidence: 71%

Experimental investigations of the viscosity of nanofluids at low temperatures

et al. 2012

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The effects due to temperature and shearing time on viscosity for Al 2 O 3 /water and CNT/water based nanofluids at low concentration and low temperatures are experimentally investigated. The viscosity data were collected using a stress-controlled rheometer equipped with parallel plate geometry under up and down shear stress ramp. CNT and Al2O3 water based nanofluids exhibited hysteresis behaviour when the stress is gradually loaded and unloaded, depending also on shearing time. Experiments also showed that the nanofluid suspensions indicated either Newtonian or nonNewtonian behaviour, depending on shear rate. CNT water based nanofluid behaves as Newtonian fluid at high shear rate whereas Al 2 O 3 water based nanofluid is non-Newtonian within the range of low temperatures investigated.

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Section: Rheological Properties Of Nanofluids: Influence Of Shear Ratmentioning

confidence: 71%

Experimental investigations of the viscosity of nanofluids at low temperatures

et al. 2012

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“…Some authors (Chen et al, 2005(Chen et al, , 2007Chen et al, 2010;Solomon and Boger, 1998;Tseng and Wu, 2002) have applied equations directly to model experimental data obtained for different nanoparticles systems: silica, silver, hematite. However, in the case of nanosize range, the packing fractions obtained are very low because these equations have to be modified to apply them for nanoparticles systems.…”

Section: ⎝⎠mentioning

confidence: 99%

Determination of the packing fraction of silica nanoparticles from the rheological and viscoelastic measurements of nanofluids

Mondragón

Juliá

Barba

et al. 2012

Chemical Engineering Science

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“…Tseng and Wu [109,110] The work of Tseng and Chen [113,114] was on nickel/ terpineol at shear rate ranges between 1 and 1000 s −1 . All the suspension containing nickel nanofluid showed shear thinning behaviour over the entire shear rate.…”

Section: Newtonian and Non-newtonian Flow Behaviour Of Nanofluidsmentioning

confidence: 99%

Mechanism governing nanoparticle flow behaviour in porous media: insight for enhanced oil recovery applications

2018

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Nanotechnology has found its way to petroleum engineering, it is well-accepted path in the oil and gas industry to recover more oil trapped in the reservoir. But the addition of nanoparticles to a liquid can result in the simplest flow becoming complex. To understand the working mechanism, there is a need to study the flow behaviour of these particles. This review highlights the mechanism affecting the flow of nanoparticles in porous media as it relates to enhanced oil recovery. The discussion focuses on chemical-enhanced oil recovery, a review on laboratory experiment on wettability alteration, effect of interfacial tension and the stability of emulsion and foam is discussed. The flow behaviour of nanoparticles in porous media was discussed laying emphasis on the physical aspect of the flow, the microscopic rheological behaviour and the adsorption of the nanoparticles. It was observed that nanofluids exhibit Newtonian behaviour at low shear rate and non-Newtonian behaviour at high shear rate. Gravitational and capillary forces are responsible for the shift in wettability from oil-wet to water-wet. The dominant mechanisms of foam flow process were lamellae division and bubble to multiple bubble lamellae division. In a water-wet system, the dominant mechanism of flow process and residual oil mobilization are lamellae division and emulsification, respectively. Whereas in an oil-wet system, the generation of pre-spinning continuous gas foam was the dominant mechanism. The literature review on oil displacement test and field trials indicates that nanoparticles can recover additional oil. The challenges encountered have opened new frontier for research and are highlighted herein.

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Aggregation, rheology and electrophoretic packing structure of aqueous A12O3 nanoparticle suspensions

Cited by 108 publications

References 35 publications

Experimental investigations of the viscosity of nanofluids at low temperatures

Experimental investigations of the viscosity of nanofluids at low temperatures

Determination of the packing fraction of silica nanoparticles from the rheological and viscoelastic measurements of nanofluids

Mechanism governing nanoparticle flow behaviour in porous media: insight for enhanced oil recovery applications

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