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A CFD investigation of the performance of stirred tanks

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Resumo:Rushton turbine was employed in this study to numerically analyze the fluid flow it generates within a stirred tank. The topology of the resulting flow was found to be strongly dependent on several parameters, including the geometric configurations of the system and the properties of the moving fluids. The governing equations, based on the k-epsilon model, were solved using the finite volume method. Velocity field profiles, streamlines and vortex sizes were ana-lyzed for several geometries, varying the number of blades from 6 to 12 and others. A comparison was also conducted to evaluate the effect of the number of stirring mobiles used to mix the fluid (single stage, two stages and three stages), as well as the influence of the spacing ratio between the different stir-rers. Finally, our numerical simulation procedure was validated through com-paring the results obtained with experimental work available in the literature, showing good agreement between the different approaches.
Autores principais:Youcef, Kamla
Outros Autores:Driss, Zied; Foukrach, Mohamed; Rosa, Sérgio; Baki, Touhami
Assunto:Rushton turbine Turbulent flow field Power number Mixing Simulation
Ano:2025
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Bragança
Idioma:inglês
Origem:Biblioteca Digital do IPB

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