Hydrodynamics in a Rotating Packed Bed. II. A Mathematical Model

A mathematical model for air–liquid two-phase flow in rotating packed beds (RPB) is established to describe the real condition of the fluid flow in the RPB. Results show that the model can better and reasonably predict the distribution of the air–liquid two-phase flow field, the pressure drop, the l...

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Bibliographic Details
Published in:Industrial & engineering chemistry research 2012-08, Vol.51 (31), p.10482-10491
Main Authors: Yan, Zuo-yi, Ruan, Qi, Lin, Cheng
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Computational fluid dynamics
Exact sciences and technology
Fluid flow
Hydrodynamics
Hydrodynamics of contact apparatus
Liquid films
Mathematical models
Rotating
Turbulence
Turbulent flow
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Summary:A mathematical model for air–liquid two-phase flow in rotating packed beds (RPB) is established to describe the real condition of the fluid flow in the RPB. Results show that the model can better and reasonably predict the distribution of the air–liquid two-phase flow field, the pressure drop, the liquid film thickness, the proportion of the turbulent flow in the liquid film and some other complex hydrodynamic characteristics in the RPB. The results provide a theory basis for the gas–liquid two-phase heat transfer and mass transfer.
ISSN:0888-5885
1520-5045
DOI:10.1021/ie202258f