Taylor-Couette
Influence d'une phase dispersée sur l'écoulement de Taylor-Couette
... Les 15 èmes Journées Scientifiques de Marcoule 9 – 10 juin 2015 Document propriété du CEA – Reproduction et diffusion externes au CEA soumises à l’autorisation de l’émetteur INFLUENCE D’UNE PHASE DISPERSEE SUR ...
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Experimental study of bubble-drag interaction in a Taylor-Couette flow
... a Taylor Couette flow, according to the conditions of the flow (radii ratio, bubble size to gap ratio, Reynolds number) is of interest, in order to understand the bubble-induced modifications of the wall ...
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Experimental investigation of mixing and axial dispersion in Taylor–Couette flow patterns
... a Taylor–Couette device have been characterized by means of simultaneous particle image velocimetry and planar laser-induced fluorescence (PLIF) ...steady Taylor vortex flow to modulated wavy vortex ...
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Effect of bubble’s arrangement on the viscous torque in bubbly Taylor- Couette flow
... A Taylor-Couette flow can be considered as a valuable configuration to study bubble induced modifications of the viscous ...the Taylor-Couette flow has several similarities with the turbulent ...
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Experimental investigation of mixing and axial dispersion in Taylor–Couette flow patterns
... Mass transport in Taylor–Couette flow has been the subject of numerous experimental and numerical studies (Campero and Vigil 1997 ; Desmet et al. 1996a , b ; Kataoka et al. 1975 ; Tam and Swinney 1987 ; ...
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Effect of bubble’s arrangement on the viscous torque in bubbly Taylor-Couette flow
... a Taylor-Couette flow for the first ...turbulent Taylor vortex flow by Chouippe et ...the Taylor vortices and the centripetal force due to the inner cylinder rotational velocity, defined as ...
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Experimental study of enhanced mixing induced by particles in Taylor–Couette flows
... and Nemri et al. (2013, 2015) . Regarding liquid–solid flow configurations and taking into account the sensitivity of mixing to hydrodynamics, the influence of the particles on the flow properties is stud- ied. ...
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Experimental study of enhanced mixing induced by particles in Taylor–Couette flows
... of Taylor (1923) , flow patterns between two concentric cylinders, depicted in ...involving Taylor–Couette flows (bio and chemical reactors, filtration, ...laminar Couette flow to turbulence ...
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Experimental investigation of mixing efficiency in particle laden Taylor-Couette flows
... 4 Conclusion We have carried out an experimental characterization of tracer mixing in the Taylor-Couette flow configura- tion. More specifically, we have measured the enhance- ment of mixing efficiency by ...
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Quantitative visualization of swirl and cloud bubbles in Taylor–Couette flow
... Bruno van Ruymbeke ×Yuichi Murai ×Yuji Tasaka ×Yoshihiko Oishi ×C´eline Gabillet ×Catherine Colin ×Noureddine Latrache Abstract We develop a novel method to study the gas phase features in a bubbly ...
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Experimental study of bubble-drag interaction in a Taylor-Couette flow
... the Taylor vortices can lead to a decrease of the velocities of the Taylor vortices, leading to a contribution of the coherent motion that is reduced in favour of an enhancement of the small scale ...
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Experimental study of bubble-drag interaction in a Taylor-Couette flow
... a Taylor Couette flow, according to the conditions of the flow (radii ratio, bubble size to gap ratio, Reynolds number) is of interest, in order to understand the bubble-induced modifications of the wall ...
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Quantitative visualization of swirl and cloud bubbles in Taylor–Couette flow
... We experimentally investigated the structure of the gas phase in a bubbly Taylor–Couette flow at Re ¼ 1500 and a ¼ 0:14 %. For these conditions, bubbles are arranged as toroidal strings, periodically spaced ...
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Numerical simulations of drag modulation by microbubbles in a turbulent Taylor-Couette flow
... the Taylor-Couette device (flow within the gap between two concentric ...Bubbly Taylor-Couette flows have also been experimentally explored by Djeridi et ...
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Effects of axial rectangular groove on turbulent Taylor-Couette flow from analysis of experimental data
... velocity are highly periodic and regular with only a single dominant frequency corresponding to groove passage. The periodicity is 60 o , 30 o and 15 o for G6, G12, and G24, re- spectively. The profiles also show that ...
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In situcharacterization of floc morphology by image analysis in a turbulent Taylor-Couette reactor
... the Taylor–Couette vessel and the rotation speed was set to 100 rpm before adding the benton- ite ...and Taylor number values of 3:3310 6 ; 9:3310 6 ; 1:8310 7 , and 3:0310 7 ...
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Mixing and axial dispersion in Taylor–Couette flows: the effect of the flow regime
... For the sake of comparison with the experimental results, the following procedure was used to reproduce the exact same flow regimes as those achieved experimentally. Simulating the entire experimental height of the ...
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Experimental and numerical investigation on mixing and axial dispersion in Taylor-Couette flow patterns
... single-phase Taylor–Couette flow are based on a diffusion ...at Taylor numbers below the onset of turbulent Taylor vortex flow ( Desmet et ...
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Numerical simulations of drag modulation by microbubbles in a turbulent Taylor-Couette flow
... the Taylor-Couette flow it is also useful to introduce another average procedure yielding which is only averaged in the azimuthal direction and in time, as proposed by Bilson and Bremhorst ...of ...
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Experimental and numerical investigation on mixing and axial dispersion in Taylor-Couette flow patterns
... of Taylor–Vortex ...upon Taylor–Couette flow (PTC, Poiseuille Taylor Couette), axial motion of the Taylor vortices transports the cellu- lar vortices wherein toroidal motion of ...
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