Use of Computational Fluid Dynamics for Absorption Packed Column Design

Haroun, Yacine; Raynal, Ludovic

doi:10.2516/ogst/2015027

Cited by 29 publications

(22 citation statements)

References 52 publications

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“…The Henry constant values were calculated from the Eq. 14- (16) proposed by Penttilä et al [37]. Where R is the universal gas constant with value 8.314 Pa.m 3 .mole -1 .K -1 and T is temperature in K.…”

Section: Input Parametersmentioning

confidence: 99%

“…CFD reduces the overall number of experiments and allow access to velocity, temperature and other scalar and vector fields of interest at any location of the geometry, which otherwise is very difficult to be accessed by experimental techniques [15]. A detailed overview of utilizing CFD as an effective tool in modeling absorption in packed bed can be found the recent article published by Haroun and Raynal [16].…”

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confidence: 99%

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Investigating the Advantages and Limitations of Modeling Physical Mass Transfer of CO2 on Flat Plate by One Fluid Formulation in OpenFOAM

Thummala

Ün²,

Çelik

2019

Period. Polytech. Chem. Eng.

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One fluid formulation is an approach used for modeling and analysis of mass transfer between two immiscible phases. In this study we implement and analyze the advantages and limitations of this approach for CO2 physical mass transfer into MEA. The domain is a flat plate and gas liquid flow is counter current. The analysis was carried for operating parameters like liquid phase Reynolds number, MEA mass fraction and the angle of inclination of flat plate. The results clearly show that the model effectively captures the deviation in liquid side mass transfer coefficient due to the surface instabilities and liquid properties which are generally neglected by standard correlations. Also the model shows that the standard Higbie correlation is preferable at low Reynolds number at any angle of inclination. The grid independent studies show that a size of 6.25 µm is required in the interface region for effectively using this approach. The computational resource time at this resolution was found as the only limitation for using this approach and we suggest a procedure to overcome this limitation. The present simulation results can help CFD researchers investigating immiscible gas-liquid mass transfer using OpenFOAM.

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Section: Input Parametersmentioning

confidence: 99%

mentioning

confidence: 99%

Investigating the Advantages and Limitations of Modeling Physical Mass Transfer of CO2 on Flat Plate by One Fluid Formulation in OpenFOAM

Thummala

Ün²,

Çelik

2019

Period. Polytech. Chem. Eng.

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“…The dry tray pressure drop is an important design parameter because it provides a preliminary view of the wet and total pressure drop tendency and its magnitude can enlighten about the operating conditions of a tray such as flooding, entrainment, or tray stability . Δ P d is usually defined as a function of the tray geometric characteristics, according to Eq.…”

Section: Introductionmentioning

confidence: 99%

Experimental and Computational Fluid Dynamics Validation of Correlations for Dry Pressure Drop in Trays without Downcomer

et al. 2020

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The dry tray pressure drop (ΔPd) is a design parameter that provides preliminary information about the total pressure drop. This work aimed to assess correlations for ΔPd prediction for different types of trays without downcomer and to evaluate the effects of the free area ratio (φ) and the hole diameter (d) on ΔPd. Assessment was performed by comparing results of several correlations with those from an experimentally validated computational fluid dynamics simulation. The study shows that the correlations of Červenka and Kolář, Bennett, Agrawal and Cook, and Stichlmair and Mersmann predicted the dry pressure drop satisfactorily. The correlation of Bennett, Agrawal and Cook can be recommended for the prediction of ΔPd for a wide range of geometries and operation conditions. Also, φ has a higher influence on ΔPd than d.

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“…This development inspired a number of recent studies in this area. The overall review of the CFD methods available for the design of packed absorption columns was recently given by Haroun and Raynal [9]. Besides, Owens et al [15] developed an approach to modeling the gas flow through widely used structured packing, Mellapak 250.Y.…”

Section: Introductionmentioning

confidence: 99%

CFD Study of Gas Flow Through Structured Separation Columns Packings Mellapak 250.X and Mellapak 250.Y

Isoz¹

2017

Topical Problems of Fluid Mechanics 2017

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In order to increase the size of the gas-liquid interface area and consequently the intensity of the mass transfer, the separation columns are usually filled with a geometrically complex packing. The packing highly increases intricacy of the flow in the column and also makes almost all types of hydrodynamic measurements impossible. Hence a reliable model of the flow in the complex geometry of the separation column packing is sought by the industry. We provide a CFD model for the gas flow through two types of commercial structured packings, Mellapak 250.X and Mellapak 250.Y. We validate the model on experimental data and use it to study the gas mixing capabilities of the packings.

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Use of Computational Fluid Dynamics for Absorption Packed Column Design

Cited by 29 publications

References 52 publications

Investigating the Advantages and Limitations of Modeling Physical Mass Transfer of CO2 on Flat Plate by One Fluid Formulation in OpenFOAM

Investigating the Advantages and Limitations of Modeling Physical Mass Transfer of CO2 on Flat Plate by One Fluid Formulation in OpenFOAM

Experimental and Computational Fluid Dynamics Validation of Correlations for Dry Pressure Drop in Trays without Downcomer

CFD Study of Gas Flow Through Structured Separation Columns Packings Mellapak 250.X and Mellapak 250.Y

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