Couette flows
Experimental study of enhanced mixing induced by particles in Taylor–Couette flows
... Taylor–Couette flows (bio and chemical reactors, filtration, ...laminar Couette flow to turbulence through a sequence of successive hydrodynamic instabilities ( ...
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Steady Couette flows of elastoviscoplastic fluids are non-unique
... cylindrical Couette flows of other EVP materials such as carbopol gel, and more generally yield stress fluids such as bentonite suspensions and cement ...shear flows, a common description of these ...
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Experimental investigation of mixing efficiency in particle‑laden Taylor–Couette flows
... With this method, the effect of dilute (1–2%) and moder- ately concentrated (4–8%) suspensions is compared through mixing indicators in the Taylor Vortex Flow and Wavy Vor- tex Flow regimes. The conclusion drawn from the ...
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From passive tracer to bubbles dispersion in Taylor-Couette flows
... Vortex Flows and fully Turbulent Taylor-Couette ...vortical flows, bubble accumulation is driven by a competition between added-mass effect, lift and buoyancy ...
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Experimental investigation of mixing efficiency in particle laden Taylor-Couette flows
... Sophie Charton · Eric Climent Received: date / Accepted: date Abstract This paper reports on original experimental data of mixing in two-phase Taylor-Couette flows. Neu- trally buoyant particles with ...
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Experimental study of enhanced mixing induced by particles in Taylor–Couette flows
... Taylor–Couette flows (bio and chemical reactors, filtration, ...laminar Couette flow to turbulence through a sequence of successive hydrodynamic instabilities ( ...
11
Transient Growth in Rayleigh-Bénard-Poiseuille/Couette flows
... plane Couette flow depending on whether the walls are stationary or moving relative to each ...Plane Couette and plane Poiseuille flow represent prototype shear flows in which the onset of ...
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Numerical modelling of foam Couette flows
... Most of these studies reveal either a continuous [1,5–7] or discontinuous [2–4] transition between the flowing and non-flowing regions. These differences have not been un- derstood yet and continue to excite debate ...
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Mixing and axial dispersion in Taylor–Couette flows: the effect of the flow regime
... The mean velocity profiles obtained from PIV measurements and DNS simulations are compared in Fig. 6 at three different locations that are relevant for the mixing study: the center of a vortex, and two consecutive vortex ...
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Mixing and axial dispersion in Taylor–Couette flows: the effect of the flow regime
... The mean velocity profiles obtained from PIV measurements and DNS simulations are compared in Fig. 6 at three different locations that are relevant for the mixing study: the center of a vortex, and two consecutive vortex ...
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Axial Magnetic Field Effect on Taylor-Couette Flow
... MHD Couette flow have been achieved for more than seventy years, the solutions for a heat transfer in flow between concentric rotating cylinders, also known as Taylor Couette flows, under external ...
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Continuum modeling of micro-particle electrorotation in Couette and Poiseuille flows—The zero spin viscosity limit
... We can always rewrite Eq. (44) and express the spatial coordinate, * z , as a function of the spin velocity, * , (i.e., plot z by varying * * instead of plot * by varying z ) so as to avoid * encountering complex ...
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Intermittency in spherical Couette dynamos
... IPGP, CNRS UMR 7154 (Dated: Received 18 December 2012; revised manuscript received 22 February 2013; published 18 March 2013) We investigate dynamo action in three-dimensional numerical simulations of turbulent spherical ...
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Continuum modeling of micro-particle electrorotation in Couette and Poiseuille flows—The zero spin viscosity limit
... We can always rewrite Eq. (44) and express the spatial coordinate, * z , as a function of the spin velocity, * , (i.e., plot z by varying * * instead of plot * by varying z ) so as to avoid * encountering complex ...
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Influence d'une phase dispersée sur le mélange dans l'écoulement de Taylor-Couette
... 1 Synthèse et Conclusions Cette étude avait pour but de caractériser l’influence d’une phase disper- sée sur le mélange en écoulement de Taylor-Couette. En effet, le mélange axial contrecarre le mécanisme de ...
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3D-PTV measurements in a plane Couette flow
... The earliest account of the struggle an experimentalist may face trying to set up genuine pCf was published by Reichardt ( 1959 ). Probably owing to these practical diffi- culties, experimental studies have remained ...
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Subcritical transition to turbulence in plane Couette flow
... By perturbing the flow, a critical Reynolds number has been determined, above which an artificially triggered turbulent spot can persist.. The study of the spatiotemporal evolution of th[r] ...
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Intermittency in a Locally Forced Plane Couette Flow
... plane Couette flow (PCF) corresponds to this situation since it is known to be linearly stable for all Reynolds numbers [3], whereas transition to turbulence is observed in experiments ...
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Evolution des propriétés morphologiques de flocs de latex en réacteur de Taylor-Couette
... agrégats Les résultats obtenus dans ce chapitre sont issus d’expériences de floculation en réacteur de Taylor-Couette en hydrodynamique séquencée. Les conditions de l’écoulement demeurent inchangées. Les mêmes ...
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Defect-mediated turbulence in bubbly Taylor-Couette flow
... For the mixture of 65% glycerol, and for the Re and Reg ranges of the present study, the flow is a composite patterns flow, composed of wavy basic patterns. For the mixture of 65% glycerol, despite the fact that the ...
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