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Giorgio Besagni, Fabio Inzoli and Thomas Ziegenhein
We present a comprehensive literature review on the two-phase bubble column; in this review we deeply analyze the flow regimes, the flow regime transitions, the local and global fluid dynamics parameters, and the mass transfer phenomena. First, we discus...
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Shengtao Chen, Yuhan Zhang, Tianyu Su and Yongjun Gong
The initial running speed of the pig during gas?liquid two-phase pipeline pigging can significantly influence the velocities of both gas and liquid phases within the pipeline. However, due to the complexity and limited understanding of these velocity var...
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Athanasios G. Kanaris, Theodosios I. Pavlidis, Ariadni P. Chatzidafni and Aikaterini A. Mouza
This work concerns the performance of bubble columns equipped with porous sparger and investigates the effect of gas phase properties by conducting experiments with various gases (i.e., air, CO2, He) that cover a wide range of physical property values. T...
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Jinho Choi, Eduardo Pereyra, Cem Sarica, Changhyup Park and Joe M. Kang
The reliable predictions of liquid holdup and pressure drop are essential for pipeline design in oil and gas industry. In this study, the drift-flux approach is utilized to calculate liquid holdups. This approach has been widely used in formulation of th...
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Andreas Strand, Ivar Eskerud Smith, Tor Erling Unander, Ingelin Steinsland and Leif Rune Hellevik
Uncertainty propagation is used to quantify the uncertainty in model predictions in the presence of uncertain input variables. In this study, we analyze a steady-state point-model for two-phase gas-liquid flow. We present prediction intervals for holdup ...
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Mukesh Upadhyay, Ayeon Kim, Heehyang Kim, Dongjun Lim and Hankwon Lim
Accurate prediction of the hydrodynamic profile is important for circulating fluidized bed (CFB) reactor design and scale-up. Multiphase computational fluid dynamics (CFD) simulation with interphase momentum exchange is key to accurately predict the gas-...
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