Pressure drop through structured packings: Breakdown into the contributing mechanisms by CFD modeling

Petre, Cătălin Florin; Larachi, Faı̈çal; Iliuta, Ion; Grandjean, Bernard P. A.

doi:10.1016/s0009-2509(02)00473-6

Cited by 145 publications

(94 citation statements)

References 17 publications

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“…In recent years, several works can be found in the literature which deal with the CFD investigation of hydrodynamic (pressure drop, liquid hold-up, wetting, liquid distribution) and mass transfer design parameters (liquid-and gas-side mass transfer, acceleration factor, effective area mass transfer). Petre et al (2003) were among the first authors to use CFD in order to calculate dry pressure drop in structured packings. They proposed an original approach by considering the structured packing by a combination of four Representative Elementary three-dimensional Units (REU).…”

Section: Structured Packing Characterisation By Using Cfdmentioning

confidence: 99%

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Use of Computational Fluid Dynamics for Absorption Packed Column Design

Haroun

Raynal

2015

Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles

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-Computational Fluid Dynamics (CFD) is today commonly used in a wide variety of process industries and disciplines for the development of innovative technologies. The present article aims to show how CFD can be used as an effective analysis and design tool for the development and design of packed gas/liquid absorption columns. It is first shown how CFD can be used for the characterisation of packings. The different hydrodynamic and mass transfer design parameters are investigated and adapted CFD methods are suggested. Secondly, column distribution internal development is discussed to show how CFD simulations should be performed to improve the design of gas and liquid distributors. An example of the development of new distribution technologies for floating installation of a reactive absorption column is also presented.Résumé -Utilisation de la dynamique des fluides numérique pour le design des colonnes d'absorption à garnissages -La dynamique des fluides numérique (Computational Fluid Dynamics, CFD) est aujourd'hui couramment utilisée pour le développement de technologies innovantes dans de nombreux domaines et procédés industriels. Cet article a pour objectif de montrer comment la CFD peut être utilisée comme outil d'analyse et de dimensionnement pour le développement des colonnes d'absorption gaz-liquide à garnissages. En premier, il est présenté comment la CFD peut être utilisée pour caractériser les différents paramètres de dimensionnement d'un garnissage (hydrodynamique et transfert). Les méthodes CFD appropriées sont suggérées et discutées. En second, l'utilisation de la CFD pour le développement et l'optimisation des internes de distribution gaz-liquide est exposée. Un exemple de développement par CFD d'une nouvelle technologie de distribution pour une colonne d'absorption réactive sur une installation flottante offshore est présenté.

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Section: Structured Packing Characterisation By Using Cfdmentioning

confidence: 99%

“…In the last decade, CFD has been used more and more to calculate flow characteristics in packed beds (Petre et al, 2003;Raynal and Royon-Lebeaud, 2007;Mohamed Ali et al, 2003). Indeed, the use of numerical simulation can provide a significant gain in time and could limit the number of experiments.…”

Section: Introductionmentioning

confidence: 99%

Use of Computational Fluid Dynamics for Absorption Packed Column Design

Haroun

Raynal

2015

Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles

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“…Trays are still of high importance; CFD application to this type of internal is discussed in Section 3.1. Gas-liquid flow in packings has also been investigated, on different scales either for closure law developments, in particular for liquid-side mass transfer parameters, or for pressure drop determination (Haroun et al, 2010;Petre et al, 2003), for studies on a large scale, in particular for distribution device development and liquid dispersion description Fourati et al, 2013), and even for packing geometry optimisation (Luo S.J. et al, 2008).…”

Section: Refining Processes and Associated Flow Conditionsmentioning

confidence: 99%

CFD Applied to Process Development in the Oil and Gas Industry – A Review

Raynal

Augier

Bazer-Bachi

et al. 2015

Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles

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-Computational Fluid Dynamics (CFD) is increasingly used in the oil and gas industry. The present article aims to show how CFD can be used at all steps of the development of a new process, with a focus on refining technologies. Those different steps consist first of setting up tools that will be used during the development phase, second of obtaining data in complement with experiments required for the process development, and finally, of troubleshooting actions or technology developments that will make the process even more efficient. A large number of applications corresponding to various flow configurations, single-phase or gas-liquid, gas-solid or even gas-liquid-solid, characterised by significantly different scales and requiring adapted simulation approaches, are discussed based on original results and a review of the literature. Perspectives are given in particular on the multi-scale approach and physical phenomena coupling.Résumé -La simulation numérique des écoulements appliquée au développement de procédés dans le monde de l'industrie du pétrole et du gaz -une revue -La simulation numérique des écoulements, ou Computational Fluid Dynamics (CFD), est un outil de plus en plus employé dans les secteurs pétrolier et gazier. Cet article permet d'illustrer comment l'outil numérique est utilisé lors des différents stades de développement d'un nouveau procédé, en particulier dans le monde du raffinage. Ces différentes phases correspondent tout d'abord à la mise au point des équipements qui seront utilisés pour le développement, puis au complément des essais lors de la phase de développement proprement dite et enfin à des actions support pour la résolution de problèmes opératoires ou l'amélioration de technologies qui permettront d'optimiser le procédé. De nombreuses applications correspondant à différents types d'écoulements, monophasique ou gaz-liquide, gazsolide et gaz-liquide-solide, caractérisées par des échelles de résolution différentes et requérant des approches de simulations adaptées sont discutées sur la base de résultats originaux et d'une revue de travaux déjà publiés. Des perspectives sont aussi données tant sur les aspects approche multi-échelles que sur le couplage de phénomènes.

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“…by a direct numerical simulation (DNS). Even though the governing equations are relatively simple for laminar flows, this usually can only be applied for small and periodic regions of the reactor due to the huge number of computational cells needed to resolve all existing boundary layers [97][98][99][100][101][102][103]. Dixon et al took into account the actual structure of the catalytic fixed bed [104][105][106][107].…”

Section: Complex Flows Structures: Catalytic Fixed Bed Reactorsmentioning

confidence: 99%

Modeling of the Interactions Between Catalytic Surfaces and Gas-Phase

Deutschmann

2014

Catal Lett

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The catalytic surface interacts with the gasphase by a variety of chemical and physical processes. Hence, optimization of design and operation conditions of catalytic reactors do not only require the understanding of the catalytic reaction sequence but also its coupling with mass and heat transport and potential homogeneous reactions. The chemical, thermal, and mass-transport interactions between the catalytic surface and the gas-phase are discussed in terms of the individual and combined interactions. The state-of-the-art modelling of reactive flows and its coupling with the catalytic surface is summarized. The interactions are illustrated by a number of examples such as reforming of hydrocarbons, catalytic combustion, exhaust-gas after-treatment, each focusing on a special aspect of catalyst-gas interactions. The potentials and limitations of the numerical simulations will be discussed including experimental techniques for model validation.

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Pressure drop through structured packings: Breakdown into the contributing mechanisms by CFD modeling

Cited by 145 publications

References 17 publications

Use of Computational Fluid Dynamics for Absorption Packed Column Design

Use of Computational Fluid Dynamics for Absorption Packed Column Design

CFD Applied to Process Development in the Oil and Gas Industry – A Review

Modeling of the Interactions Between Catalytic Surfaces and Gas-Phase

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