Numerical investigation of turbulent flow generated in baffled stirred vessels equipped with three different turbines in one and two-stage system

M. Ammar, W. Chtourou, Z. Driss and M.S. Abid

Energy, 2011, vol. 36, issue 8, 5081-5093

Abstract: The aim of this paper is to study the hydrodynamic behavior induced by a three different turbines: the FBT6 (six flat blades turbine), the RT6 (Rushton turbine), the PBT6 (pitched blades turbine). The turbulent flow generated in stirred tanks is numerically predicted by the resolution of the Navier–Stokes equation in conjunction with the RNG (Renormalization Group) of the k-ε turbulent model. These equations are solved by a control volume discretization method. The measurements were carried out for the one-stage and two-stage systems. The numerical results from the application of the CFD (computational fluid dynamics) code Fluent with the MRF (Multi Reference Frame) model are presented in the vertical and horizontal planes in the impeller stream region. The comparison between the numerical results and the experimental data showed a good agreement.

Keywords: Agitation; Turbulence; CFD; Stirred tank; Rushton turbine; Multi reference frame (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (10)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:36:y:2011:i:8:p:5081-5093

DOI: 10.1016/j.energy.2011.06.002

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