<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In this work, computational fluid dynamics (CFD) was used to investigate the effect of the bottom shape on the flow field and mixing characteristics in an agitated vessel stirred by six-pitched blade turbine (PBT6). The simulation was based on the resolution of the Navier-Stokes equations using standard k-ε turbulence model. Hydrodynamic behavior of the stirred vessel with four types of bottom shapes was investigated, a flat bottom and three different semi-elliptical bottoms. The results show reasonably satisfactory agreement with the experimental data. The CFD simulation also showed that the semi-elliptical bottom shapes had a significant influence on the velocity profiles and on the turbulent kinetic energy distributions of the local flow generated at the bottom region of the vessel.</p>
</abstract>

In this work, computational fluid dynamics (CFD) was used to investigate the effect of the bottom shape on the flow field and mixing characteristics in an agitated vessel stirred by six-pitched blade turbine (PBT6). The simulation was based on the resolution of the Navier-Stokes equations using standard k-ε turbulence model. Hydrodynamic behavior of the stirred vessel with four types of bottom shapes was investigated, a flat bottom and three different semi-elliptical bottoms. The results show reasonably satisfactory agreement with the experimental data. The CFD simulation also showed that the semi-elliptical bottom shapes had a significant influence on the velocity profiles and on the turbulent kinetic energy distributions of the local flow generated at the bottom region of the vessel.

Numerical Study of Bottom Shape Effect on the Mixing for Stirred Tank

Department of Mechanical Engineering, Faculty of Mechanics, Mechanical Apply Laboratory

University of Sciences and Technology of Oran Mohamed Boudiaf (USTO-MB)

Faculty of Mechanics, Gaseous Fuels and Environment Laboratory

Acta Universitatis Sapientiae, Electrical and Mechanical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Numerical Study of Bottom Shape Effect on the Mixing for Stirred Tank"}

In this work, computational fluid dynamics (CFD) was used to investigate the effect of the bottom shape on the flow field and mixing characteristics in an...

Numerical Study of Bottom Shape Effect on the Mixing for Stirred Tank

Publié en ligne: 25 déc. 2023

Pages: 86 - 97

Reçu: 01 sept. 2023

DOI: https://doi.org/10.2478/auseme-2023-0007

Mots clés
Bottom shape, computational fluid dynamics (CFD), hydrodynamic, tank height, turbulent flow

© 2023 Abdelghani Belhanafi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Numerical Study of Bottom Shape Effect on the Mixing for Stirred Tank

Publié en ligne: 25 déc. 2023

Pages: 86 - 97

Reçu: 01 sept. 2023

DOI: https://doi.org/10.2478/auseme-2023-0007

Mots clésBottom shape, computational fluid dynamics (CFD), hydrodynamic, tank height, turbulent flow

© 2023 Abdelghani Belhanafi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
Bottom shape, computational fluid dynamics (CFD), hydrodynamic, tank height, turbulent flow