[PDF] Top 20 Bubble effect on the structures of weakly turbulent couette taylor flow
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Bubble effect on the structures of weakly turbulent couette taylor flow
... in the second instability’s wave ...shows the discrepancy with the previous results according to the regime of the Couette Taylor ...to the following ... Voir le document complet
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Numerical simulations of drag modulation by microbubbles in a turbulent Taylor-Couette flow
... aim of our study is to investigate numerically the interaction between a dispersed phase composed of microbubbles and a turbulent Taylor-Couette flow (flow within ... Voir le document complet
12
Effect of bubble’s arrangement on the viscous torque in bubbly Taylor-Couette flow
... analysis of the bubble dispersion for the first instabilities was first performed by DNS and one way ...accumulation of the bubbles in the axial and radial directions was ... Voir le document complet
35
Effect of bubble’s arrangement on the viscous torque in bubbly Taylor- Couette flow
... CONCLUSIONS The research developed in this paper explores and studies the interactions between the dispersion of the bubbles, coherent motion and viscous torque in a ... Voir le document complet
46
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 ...characterizing the viscous drag implies to ... Voir le document complet
47
Numerical simulations of drag modulation by microbubbles in a turbulent Taylor-Couette flow
... Studying the interaction between a dispersed phase and a continuous one has a wide variety of application, from industrial process engineering to environmental ...phenomena. Bubble columns, two-phase ... Voir le document complet
13
Experimental study of bubble-drag interaction in a Taylor-Couette flow
... between the centripetal force of the Taylor vortices and the centripetal force due to the inner cylinder rotational velocity makes it possible to characterise the radial ... Voir le document complet
11
Quantitative visualization of swirl and cloud bubbles in Taylor–Couette flow
... knowledge, the determination of azimuthal velocity of cloud bubble (bubbles which are accumulated near the inner cylinder), has not been addressed ...yet. The goal of this ... Voir le document complet
10
Quantitative visualization of swirl and cloud bubbles in Taylor–Couette flow
... times the critical Reynolds number for the onset of Taylor vortices (primary instability), the flow is considered weakly ...depict the presence of cloud and ... Voir le document complet
11
Preferential accumulation of bubbles in Couette-Taylor flow patterns
... for the viscous terms. The corresponding code has been widely used and validated in laminar and turbulent flow regimes 共see, ...therein兲. The fluid is confined between two concentric ... Voir le document complet
12
Numerical simulation of bubble dispersion in turbulent Taylor-Couette flow
... near the inner ...between the influence of these three contributions shows that, for large gap (η = ...is the attraction towards the inner cylinder due to its rotation which is here ... Voir le document complet
23
Numerical simulation of bubble dispersion in turbulent Taylor-Couette flow
... on the bubble size, these structures can have a significant effect on bubble preferential accumulation in the vicinity of the ...effects The effect ... Voir le document complet
32
Experimental study of bubble-drag interaction in a Taylor-Couette flow
... between the centripetal force of the Taylor vortices and the centripetal force due to the inner cylinder rotational velocity makes it possible to characterise the radial ... Voir le document complet
11
Modulation of large-scale structures by neutrally buoyant and inertial finite-size particles in turbulent Couette flow
... simulations of particle laden flow are carried out with the Force-Coupling Method (FCM) to study the effect of finite-size particles on turbulent plane Couette ... Voir le document complet
2
Numerical simulation of bubble dispersion in turbulent Taylor-Couette flow
... investigate bubble dispersion in turbulent Taylor-Couette ...flow. The aim of this study is to describe the main mechanisms yielding preferential bubble ... Voir le document complet
31
Modulation of large-scale structures by neutrally buoyant and inertial finite-size particles in turbulent Couette flow
... Evolution of Reynolds stress In turbulent wall shear flows, ejection events are driven by the presence of coherent structures such as hairpin vortices or ...Ejections of fluid ... Voir le document complet
25
On the self-sustained nature of large-scale motions in turbulent Couette flow
... question the relevance of using such solutions to describe fully developed, higher-Reynolds-number turbulent regimes in which their number increases very rapidly and their spatial structures ... Voir le document complet
27
On the dynamics and breakup of a bubble immersed in a turbulent flow
... For the two side views of camera 1, we use simple bina- rization after subtraction and normalization by a back- ground image taken without ...bubbles. The stability of the LED plates ... Voir le document complet
16
Transport of finite-size particles in a turbulent Couette flow: The effect of particle shape and inertia
... values of the velocity fluctuations. Beside large scale vortices, the x-independent streaks contribute the most to turbulent ki- netic ...energy. The x-independent streaks ... Voir le document complet
16
Defect-mediated turbulence in bubbly Taylor-Couette flow
... In the sheared flows, the presence of bubbles in Newtonian liquid is expected to modify the way of the transition to ...modify the turbulence for a wide range of ... Voir le document complet
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