Title

A study of mixing structure in stirred tanks equipped with multiple four-blade Rushton impellers

Journal title

Archive of Mechanical Engineering

Yearbook

2012

Volume

vol. 59

Issue

No 1

Authors

Driss, Zied ; Karray, Sarhan ; Chtourou, Wajdi ; Kchaou, Hedi ; Abid, Mohamed Salah

Keywords

multiple Rushton impellers ; four blades ; six blades ; stirred tank ; numerical method ; modelling

Divisions of PAS

Nauki Techniczne

Coverage

53-72

Publisher

Polish Academy of Sciences, Committee on Machine Building

Date

2012

Type

Artykuły / Articles

Identifier

DOI: 10.2478/v10180-012-0004-3 ; ISSN 0004-0738, e-ISSN 2300-1895

Source

Archive of Mechanical Engineering; 2012; vol. 59; No 1; 53-72

References

Guillard F. (2000), A study on the instability of coherent mixing structures in a continuously stirred tank, Chemical Engineering Science, 55, 5657, doi.org/10.1016/S0009-2509(00)00201-3 ; Driss Z. (2010), Computational studies of the pitched blade turbines design effect on the stirred tank flow characteristics, European Journal of Mechanics B/Fluids, 29, 236, doi.org/10.1016/j.euromechflu.2010.01.006 ; Kchaou H. (2008), Numerical investigation of internal turbulent flow generated by a flat-blade turbine and a pitched-blade turbine in a vessel tank, International Review of Mechanical Engineering, 2, 427. ; Stitt E. (2002), Alternative multiphase reactors for fine chemicals A world beyond stirred tanks, Chemical Engineering Journal, 90, 47, doi.org/10.1016/S1385-8947(02)00067-0 ; Murthy N. (2008), Assessment of standard k-ε RSM and LES turbulent models in a baffled stirred agitated by various impeller designs, Chemical Engineering Science, 63, 5468, doi.org/10.1016/j.ces.2008.06.019 ; Karcz J. (1998), An Effect of a baffle Length on the power consumption in an agitated vessel, Chemical Engineering Science, 37, 249. ; Placek J. (1985), Turbulent flow in stirred tanks, I: Turbulent flow in the turbine impeller region, AIChE Journal, 31, 1113, doi.org/10.1002/aic.690310709 ; Montante G. (2001), Experiments and predictions of the transition of the flow pattern with impeller clearance in stirred tanks, Computers and Chemical Engineering, 25, 729, doi.org/10.1016/S0098-1354(01)00648-2 ; Deglon D. (2006), CFD modeling of stirred tanks: Numerical considerations, Minerals Engineering, 19, 1059, doi.org/10.1016/j.mineng.2006.04.001 ; Pericleous K. (1987), The modelling of tangential and axial agitators in chemical reactors, Physico. Chem. Hydrodyn, 8, 105. ; Costes J. (1988), Study by laser Doppler anemometry of the turbulent flow induced by a Rushton turbine in stirred tank: influence of the size of the units, Chemical Engineering Science, 43, 2754. ; Alcamo R. (2005), Large-eddy simulation of turbulent flow in an unbaffled stirred tank driven by a Rushton turbine, Chemical Engineering Science, 60, 2303, doi.org/10.1016/j.ces.2004.11.017 ; Zalc J. (2002), Using CFD to understand chaotic mixing in laminar stirred tanks, AIChE Journal, 48, 2124, doi.org/10.1002/aic.690481004 ; Brucato A. (1998), Numerical prediction of flow fields in baffled stirred vessels: A comparison of alternative modelling approaches, Chemical Engineering Science, 53, 3653, doi.org/10.1016/S0009-2509(98)00149-3 ; Alvarez M. (2002), Mechanisms of mixing and creation of structure in laminar stirred tanks, AIChE Journal, 48, 2135, doi.org/10.1002/aic.690481005 ; Guillard F. (2003), Mixing in industrial Rushton turbine agitated reactors under aerated conditions, Chemical Engineering and Processing, 42, 373, doi.org/10.1016/S0255-2701(02)00058-2 ; Chtourou W. (2011), Effect of the turbulent models on the flow generated with Rushton turbine in stirred tank, Central European Journal of Engineering, 1, 4, 380, doi.org/10.2478/s13531-011-0039-0 ; Ammar M. (2011), Study of the baffles length effect on turbulent flow generated in stirred vessels equipped by a Rushton turbine, Central European Journal of Engineering, 1, 4, 401, doi.org/10.2478/s13531-011-0040-7 ; Driss Z. (2011), CFD simulation of the laminar flow in stirred tanks generated by double helical ribbons, Central European Journal of Engineering, 1, 4, 413, doi.org/10.2478/s13531-011-0034-5 ; Driss Z. (2011), Computer simulation of the laminar flow in stirred tanks generated by the proximity impellers of a mono and double screws type with simple and modified profiles, Mechanics & Industries, 12, 109. ; Driss Z. (2005), Numerical investigation of internal laminar flow generated by a retreated-blade paddle and a flat-blade paddle in a vessel tank, International Journal of Engineering Simulation, 6, 10. ; Driss Z. (2007), Computer Simulations of Fluid-Structure Interaction Generated by a Flat-Blade Paddle in a Vessel Tank, International Review of Mechanical Engineering, 1, 608. ; Bouzgarrou G. (2009), CFD simulation of mechanically agitated vessel generated by modified pitched blade turbines, International Journal of Engineering Simulation, 10, 11. ; Driss Z. (2011), Computer simulations of laminar flow generated by an anchor blade and a Maxblend impellers, Science Academy Transactions on Renewable Energy Systems Engineering and Technology, 1, 3, 68. ; Driss Z.: Contribution in studies of the turbines in an agitated vessel, PhD thesis, National School of Engineers of Sfax, University of Sfax, Tunisia, 2008. ; Patankar S. (1980), Numerical heat transfer and fluid flow, Series in Computational Methods in Mechanics and Thermal Sciences. ; Douglas J. (1964), A general formulation of alternating direction implicit methods, Num. Math, 6, 428, doi.org/10.1007/BF01386093 ; Rushton J. (1950), Power characteristics of mixing impellers, Chemical Engineering Progress, 46, 467.