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Particle resolved simulation of a 3D periodic Couette dense fluid-particle flow

Scorsim, Oliver and Fede, Pascal and Simonin, Olivier and Vincent, Stéphane Particle resolved simulation of a 3D periodic Couette dense fluid-particle flow. (2016) In: 9th International Conference on Multiphase Flow (ICMF 2016), 22 May 2016 - 27 May 2016 (Firenze, Italy).

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Abstract

Dense fluid-particle flow occurs in many industrial applications, such as fluidized bed technology. To model these flows, statistical approaches are developed and, since quite recently, particle resolved simulations may be used to support the validation and the development of models. The viscous penalty method is used here to track moving solid particles coupled with the Direct Numerical Simulation (DNS) of the interstitial fluid flow. Particle-particle collisions are taken into account by Discrete Element Method (DEM) as well as the lubrication forces. 3D direct numerical simulations have been carried out of a periodic Couette flow were performed for finite Stokes number and moderate Reynolds number values for dense flows ranging from 5 to 30%. The results show a particle accumulation - at the centre or at the wall- according to the Stokes number and particle volume fraction. The production, diffusive, collisional and fluid interaction terms are analyzed for the momentum equation and particle kinetic stress equation as well.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Thanks to the ICMF. This paper appears in : Proceedings of the 9th International Conference on Multiphase Flow (ICMF 2016).
HAL Id:hal-01715391
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Other partners > Université Paris Est Créteil Val de Marne - UPEC (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Université Paris-Est Marne-La-Vallée - UPEM (FRANCE)
Laboratory name:
Funders:
Brazilian funding agency CAPES
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Deposited On:01 Feb 2018 16:09

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