CFD study and experimental validation of multiphase packed bed hydrodynamics in the context of Rolling Sea conditions

The necessity for a validated computational fluid dynamics (CFD)‐based model to deepen our understanding about the complex hydrodynamics of gas–liquid flows in oscillating porous media has driven this experimental and simulation work. A transient three‐dimensional Euler–Euler porous media CFD model...

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Veröffentlicht in:AIChE journal 2019-01, Vol.65 (1), p.385-397
Hauptverfasser: Motamed Dashliborun, Amir, Larachi, Faïçal
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description The necessity for a validated computational fluid dynamics (CFD)‐based model to deepen our understanding about the complex hydrodynamics of gas–liquid flows in oscillating porous media has driven this experimental and simulation work. A transient three‐dimensional Euler–Euler porous media CFD model using moving reference frame and sliding mesh techniques was applied to elucidate the dynamic features of gas–liquid flows of cocurrent downflow packed beds subject to tilts and oscillations reminiscent of sea conditions. Incorporation of capillary and mechanical dispersion forces besides interphase momentum exchange terms in the CFD model to achieve reliable predictions was evaluated with respect to experimental data acquired by capacitance wire‐mesh sensors and differential pressure transmitter. In the light of the validated CFD model, a detailed sensitivity analysis was performed to address the interrelations between hydrodynamic parameters, influence of fluid properties and packing size on the model predictions, and additional contribution of column oscillations on multiphase dynamics. © 2018 American Institute of Chemical Engineers AIChE J, 65: 385–397, 2019
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subjects Capacitance
CFD simulation
Computational fluid dynamics
Computer applications
Computer simulation
Data acquisition
Differential pressure
Eulerian porous media approach
experimental validation
Finite element method
floating platform/offshore conditions
Fluid dynamics
Fluid flow
Fluid mechanics
Hydrodynamics
Mathematical models
Multiphase
Organic chemistry
Oscillations
Packed beds
Parameter sensitivity
Porous media
Sensitivity analysis
Simulation
title CFD study and experimental validation of multiphase packed bed hydrodynamics in the context of Rolling Sea conditions
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