Articles with "newtonian fluids" as a keyword



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Numerical modelling of generalized Newtonian fluids in bypass tube

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Published in 2019 at "Advances in Computational Mathematics"

DOI: 10.1007/s10444-019-09684-y

Abstract: The following paper describes a numerical simulation of a complete bypass of a stenosed human artery. The considered geometry consists of the narrowed host tube and the bypass graft with a 45-degree angle of connection.… read more here.

Keywords: bypass tube; bypass; model; generalized newtonian ... See more keywords
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Flow modelling of quasi-Newtonian fluids in two-scale fibrous fabrics

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Published in 2017 at "International Journal of Material Forming"

DOI: 10.1007/s12289-016-1300-0

Abstract: Permeability is the fundamental macroscopic material property needed to quantify the flow in a fibrous medium viewed as a porous medium. Composite processing models require the permeability as input data to predict flow patterns and… read more here.

Keywords: modelling quasi; quasi newtonian; non linear; flow modelling ... See more keywords
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Existence of self-similar solutions of the two-dimensional Navier–Stokes equation for non-Newtonian fluids

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Published in 2019 at "Arab Journal of Mathematical Sciences"

DOI: 10.1016/j.ajmsc.2019.04.001

Abstract: The reduced problem of the Navier–Stokes and the continuity equations, in two-dimensional Cartesian coordinates with Eulerian description, for incompressible non-Newtonian fluids, is considered. The Ladyzhenskaya model, with a non-linear velocity dependent stress tensor is adopted,… read more here.

Keywords: self similar; non newtonian; navier stokes; equation ... See more keywords
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Comparison between 3-D-PTV and 2-D-PIV for determination of hydrodynamics of complex fluids in a stirred vessel

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Published in 2017 at "Chemical Engineering Science"

DOI: 10.1016/j.ces.2017.05.034

Abstract: Abstract The capabilities of 3-D-Particle Tracking Velocimetry (PTV) to measure flow fields during the blending of Newtonian and non-Newtonian fluids in a standard baffled cylindrical vessel are assessed. The results are benchmarked against conventional 2-D… read more here.

Keywords: hydrodynamics; newtonian fluids; piv; ptv piv ... See more keywords
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Shear rate and mass transfer coefficient in internal loop airlift reactors involving non-Newtonian fluids

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Published in 2018 at "Chemical Engineering Research and Design"

DOI: 10.1016/j.cherd.2018.05.042

Abstract: Abstract The shear rate and mass transfer coefficient play a key role in the chemical/biochemical processes and are considered as the most important parameters for the design of airlift reactors. Experimental investigations on the average… read more here.

Keywords: newtonian fluids; mass transfer; non newtonian; shear rate ... See more keywords
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Experimental investigation of energy harvesting from sloshing phenomenon: Comparison of Newtonian and non-Newtonian fluids

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Published in 2021 at "Energy"

DOI: 10.1016/j.energy.2021.120264

Abstract: ABSTRACT In the present work, energy harvesting from sloshing of Newtonian and non-Newtonian fluids has been studied experimentally. The most important features of this study are: proposing a new method for energy harvesting, comparing the… read more here.

Keywords: non newtonian; power; energy; energy harvesting ... See more keywords
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Dimensionless pressure drop number for non-newtonian fluids applied to Constructal Design of heat exchangers

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Published in 2017 at "International Journal of Heat and Mass Transfer"

DOI: 10.1016/j.ijheatmasstransfer.2017.07.122

Abstract: Abstract This paper introduces a dimensionless group for pressure drop, named Bejan number (Be), to be used with non-Newtonian fluids. When defining Be for non-Newtonian fluids, it is necessary to choose a characteristic apparent viscosity… read more here.

Keywords: heat; newtonian fluids; non newtonian; pressure drop ... See more keywords
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Partial regularity of a certain class of non-Newtonian fluids

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Published in 2017 at "Journal of Mathematical Analysis and Applications"

DOI: 10.1016/j.jmaa.2017.06.049

Abstract: Abstract We study the partial regularity of weak solution to a certain class of non-Newtonian fluids (1.1) – (1.3) , the existence of weak solution to such system had been provided by D. Pierre and… read more here.

Keywords: class non; partial regularity; regularity; newtonian fluids ... See more keywords
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Analysis of micromixing of non-Newtonian fluids driven by alternating current electrothermal flow

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Published in 2017 at "Journal of Non-newtonian Fluid Mechanics"

DOI: 10.1016/j.jnnfm.2017.06.010

Abstract: Abstract Biochemical applications pertaining to chip scale mixing often deal with fluids which exhibit non-Newtonian behavior. This paper presents numerical investigations on the characterization of the effect of shear dependent apparent viscosity of non-Newtonian fluids… read more here.

Keywords: current electrothermal; analysis; newtonian fluids; alternating current ... See more keywords
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A universal modified MRT LBM for common non-Newtonian fluids and their applications

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Published in 2019 at "Mechanics of Materials"

DOI: 10.1016/j.mechmat.2019.103187

Abstract: Abstract As a mesoscopic computational method, the lattice Boltzmann method (LBM) has been widely applied in engineering physics areas. When it is used for non-Newtonian fluids, the greatest challenges are instability and poor accuracy. To… read more here.

Keywords: mrt lbm; method; newtonian fluids; non newtonian ... See more keywords
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A novel and robust model for determining rheological properties of Newtonian and non-Newtonian fluids in a marsh funnel

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Published in 2017 at "Journal of Petroleum Science and Engineering"

DOI: 10.1016/j.petrol.2017.06.057

Abstract: Abstract In oil and gas industry, it is required to measure rheological properties for quality control reasons by simple and robust techniques. Marsh funnel is recognized as a widely used and reliable measuring device in… read more here.

Keywords: marsh funnel; rheological properties; newtonian fluids; model ... See more keywords