Journal ArticleDOI
Numerical prediction of flow fields in baffled stirred vessels: A comparison of alternative modelling approaches
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In this article, numerical simulations of the flow field in baffled mixing tanks, based on three alternative methods, are presented and discussed, where the impeller is not explicitly simulated, and its effects are modelled by imposing suitable, empirically derived, boundary conditions to the external flow.About:
This article is published in Chemical Engineering Science.The article was published on 1998-11-01. It has received 284 citations till now. The article focuses on the topics: Impeller & External flow.read more
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Journal ArticleDOI
CFD simulations of dense solid–liquid suspensions in baffled stirred tanks: Prediction of suspension curves
TL;DR: In this article, computational fluid dynamics simulations of dense solid-liquid partial suspensions in baffled stirred tanks and particularly focusing on the prediction of the amount of suspended particles at agitation speeds encompassing both the filleting and the complete suspension regime were performed.
Journal ArticleDOI
Using CFD to predict the behavior of power law fluids near axial-flow impellers operating in the transitional flow regime
William J. Kelly,B. Gigas +1 more
TL;DR: In this paper, a computational fluid dynamics (CFD) model of flow in a mixing tank with a single axial-flow impeller was developed with the FluentTM software.
Journal ArticleDOI
Bubble size distribution modeling in stirred gas–liquid reactors with QMOM augmented by a new correction algorithm
Miriam Petitti,Andrea Nasuti,Daniele Marchisio,Marco Vanni,Giancarlo Baldi,Nicola Mancini,Fabrizio Podenzani +6 more
TL;DR: In this article, an Eulerian multifluid approach coupled with a population balance model (PBM) has been employed to describe the evolution of the bubble size distribution due to break-up and coalescence.
Journal ArticleDOI
Modelling of solids distribution in stirred tanks: analysis of simulation strategies and comparison with experimental data
TL;DR: In this paper, the predictive capabilities of CFD techniques as applied to solid-liquid stirred vessels were investigated, and the distribution of solid particles was simulated in three baffled stirred tanks agitated by liquid stirred vessels.
Journal ArticleDOI
CFD Simulation of Particle Distribution in Stirred Vessels
TL;DR: In this paper, the particle concentration distribution in two-phase stirred tanks is simulated on the basis of information on the three-dimensional flow field, as obtained by numerical solution of the flow equations (CFD) using the well known k-ɛ « turbulence model.
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