Results 11 to 20 of about 52,041 (207)
Swimming efficiency in a shear-thinning fluid [PDF]
Physical Review E, 2017 Micro-organisms expend energy moving through complex media. While propulsion speed is an important property of locomotion, efficiency is another factor that may determine the swimming gait adopted by a micro-organism in order to locomote in an ...
Nganguia, Herve +2 more
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Shear thinning of a critical viscoelastic fluid [PDF]
Physical Review E, 2005 One file in plain latex format and no figure.
Das, Palash, Bhattacharjee, Jayanta K.
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Squirming through shear-thinning fluids [PDF]
Journal of Fluid Mechanics, 2015 Many micro-organisms find themselves immersed in fluids displaying non-Newtonian rheological properties such as viscoelasticity and shear-thinning viscosity. The effects of viscoelasticity on swimming at low Reynolds numbers have already received considerable attention, but much less is known about swimming in shear-thinning fluids.
Datt, Charu +3 more
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Mixing in shear thinning fluids [PDF]
Brazilian Journal of Chemical Engineering, 2012 In the present study, a CFD characterization of the flow generated by curved-blade impellers in a cylindrical unbaffled vessel was carried out. The tank diameter was 300 mm, with a flat bottom. The liquid height was equal to the vessel diameter. The fluids simulated have a shear thinning behavior.
Ameur, H., Bouzit, M.
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Taylor-vortex flow in shear-thinning fluids [PDF]
Physical Review E, 2019 This paper deals with the Taylor-Couette flow of shear-thinning fluids. It focuses on the first principles understanding of the influence of the viscosity stratification and the nonlinear variation of the effective viscosity μ with the shear rate γ[over ̇] on the flow structure in the Taylor-vortex flow regime.
Topayev, S +4 more
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Modeling the motion of a Taylor bubble in a microchannel through a shear-thinning fluid [PDF]
E3S Web of Conferences, 2021 Applications of multiphase flows in microchannels as chemical and biological reactors and cooling systems for microelectronic devices typically present liquid slugs alternated with bubbles of elongated shape, the Taylor bubbles.
Aquino Andrea +2 more
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Jeffery orbits in shear-thinning fluids [PDF]
Physics of Fluids, 2019 We investigate the dynamics of a prolate spheroid in a shear flow of a shear-thinning Carreau fluid. The motion of a prolate particle is developed analytically for asymptotically weak shear thinning and then integrated numerically. We find that shear-thinning rheology does not lift the degeneracy of Jeffery orbits observed in Newtonian fluids, but the ...
S. Arman Abtahi, Gwynn J. Elfring
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Shear-Thinning Fluid Flow in Variable-Aperture Channels [PDF]
Water, 2020 Non-Newtonian fluid flow in a single fracture is a 3-D nonlinear phenomenon that is often averaged across the fracture aperture and described as 2-D. To capture the key interactions between fluid rheology and spatial heterogeneity, we adopt a simplified geometric model to describe the aperture variability, consisting of adjacent one-dimensional ...
Alessandro Lenci +2 more
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Rapid wetting of shear-thinning fluids
Physical Review Fluids, 2023 Using experiments and numerical simulations, we investigate the spontaneous spreading of droplets of aqueous glycerol (Newtonian) and aqueous polymer (shear-thinning) solutions on smooth surfaces. We find that in the first millisecond the spreading of the shear-thinning solutions is identical to the spreading of water, regardless of the polymer ...
Yada, Susumu +4 more
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Sedimentation of Fractal Aggregates in Shear-Thinning Fluids [PDF]
Applied Sciences, 2020 Solid–liquid separation is a key unit operation in the wastewater treatment, generally consisting of coagulation and flocculation steps to promote aggregation and increase the particle size, followed by sedimentation, where the particles settle due to the effect of gravity.
Trofa M., D'Avino G.
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