| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Burghelea, Teodor
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Thermo-rheological properties of xanthan solutions: from shear thinning to elasto-viscoplastic behaviorcitations
- 2023Active chaotic mixing of yield stress fluids in an open channel flowcitations
- 2020Slippery flows of a Carbopol gel in a microchannelcitations
- 2020On the elusive nature of Carbopol gels: “model”, weakly thixotropic, or time-dependent viscoplastic materials?citations
- 2019Un mélangeur actif efficace pour les fluides à seuil de contrainte
- 2019Effect of extensional deformation on crystallization kinetics of semi-crystalline polymers
- 2019Microscopic flows of a simple yield stress material in the presence of wall slip
- 2016Microscopic flows of suspensions of the green non-motile Chlorella micro-alga at various volume fractions: Applications to intensified photobioreactorscitations
- 2013Propriétés rhéologiques et écoulement dans des microcanaux de suspensions de microalgues. A detailed characterization of plane micro-channel flows of Chlorella suspensions with various volume fractions in a wide range of driving pressures drops reveals flow
- 2013Propriétés rhéologiques et écoulement dans des microcanaux de suspensions de microalgues. A detailed characterization of plane micro-channel flows of Chlorella suspensions with various volume fractions in a wide range of driving pressures drops reveals flow
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document
Un mélangeur actif efficace pour les fluides à seuil de contrainte
Abstract
We present some results of a numerical study of the mixing of a passive scalar by chaotic advection, at low Reynolds number. The mixing is carried out by a new active open flow mixer, called RAW for Rotating Arc-Walls. A phenomenological model is proposed, making it possible to obtain a mixing criterion based on two dimensionless parameters : the Strouhal number based on the bulk velocity of the fluids and the ratio of the transverse velocity to the bulk velocity. For a given protocol corresponding to a choice of these parameters favourable for mixing in the case of a Newtonian fluid, the dependence on the Bingham number of the efficiency of the mixing of a Bingham plastic fluid is investigated. The complex role of the yield stress is evidenced.