CFD analysis of bubble column reactor under gas–oil–water–solid four-phase flows using Lagrangian algebraic slip mixture model

Shang, Zhi; Lou, Jing; Li, Hongying

doi:10.1016/j.ijmultiphaseflow.2015.03.015

International Journal of Multiphase Flow

2015

DOI: 10.1016/j.ijmultiphaseflow.2015.03.015

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CFD analysis of bubble column reactor under gas–oil–water–solid four-phase flows using Lagrangian algebraic slip mixture model

Zhi Shang

Jing Lou

Hongying Li

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Cited by 12 publications

References 33 publications

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Computational fluid dynamics (CFD) analysis of airlift bioreactor: effect of draft tube configurations on hydrodynamics, cell suspension, and shear rate

Pawar

2017

Bioprocess Biosyst Eng

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The biomass productivity of microalgae cells mainly depends on the hydrodynamics of airlift bioreactor (ABR). Thus, the hydrodynamics of concentric tube ABR was initially studied using two-phase three-dimensional CFD simulations with the Eulerian-Lagrangian approach. The performance of ABR (17 L) was examined for different configurations of the draft tube using various drag models such as Grace, Ishii-Zuber, and Schiller-Naumann. The gas holdups in the riser and the downcomer were well predicted using E-L approach. This work was further extended to study the dispersion of microalgae cells in the ABR using three-phase CFD simulations. In this model (combined E-E and E-L), the solid phase (microalgae cells) was dispersed into the continuous liquid phase (water), while the gas phase (air bubbles) was modeled as a particle transport fluid. The effect of non-drag forces such as virtual mass and lift forces was also considered. Flow regimes were explained on the basis of the relative gas holdup distribution in the riser and the downcomer. The microalgae cells were found in suspension for the superficial gas velocities of 0.02-0.04 m s experiencing an average shear of 23.52-44.56 s which is far below the critical limit of cell damage.

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Computational fluid dynamics (CFD) analysis of airlift bioreactor: effect of draft tube configurations on hydrodynamics, cell suspension, and shear rate

Pawar

2017

Bioprocess Biosyst Eng

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Impact of solids on flow patterns and performance of a centrifugal slurry pump: a numerical study

Pradhan,

Kumar,

Gupta

2024

Int J Interact Des Manuf

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Very Large Eddy Simulation of Cavitation from Inception to Sheet/Cloud Regimes by A Multiscale Model

Wang

et al. 2021

China Ocean Eng

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CFD analysis of bubble column reactor under gas–oil–water–solid four-phase flows using Lagrangian algebraic slip mixture model

Cited by 12 publications

References 33 publications

Computational fluid dynamics (CFD) analysis of airlift bioreactor: effect of draft tube configurations on hydrodynamics, cell suspension, and shear rate

Computational fluid dynamics (CFD) analysis of airlift bioreactor: effect of draft tube configurations on hydrodynamics, cell suspension, and shear rate

Impact of solids on flow patterns and performance of a centrifugal slurry pump: a numerical study

Very Large Eddy Simulation of Cavitation from Inception to Sheet/Cloud Regimes by A Multiscale Model

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