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Computational Fluid Dynamics Modelling of Fluid Flow and Heat and Mass Transfer

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "J2: Thermodynamics".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 7542

Special Issue Editors

Dr. Marzena Iwaniszyn

E-Mail Website
Guest Editor
Institute of Chemical Engineering, Polish Academy of Sciences, Bałtycka 5, 44-100 Gliwice, Poland
Interests: catalytic combustion; CFD modeling; fluid flow; transport phenomena; structured reactor; reaction engineering
Special Issues, Collections and Topics in MDPI journals
Dr. Mateusz Korpyś

E-Mail Website
Guest Editor
Institute of Chemical Engineering, Polish Academy of Sciences, Bałtycka 5, 44-100 Gliwice, Poland
Interests: catalytic combustion; CFD modeling; fluid flow; transport phenomena; structured reactor; reaction engineering
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Computational fluid dynamics (CFD) is a useful tool for numerical modelling of fluid flow that exists in industrial and environmental processes. Thanks to the development of computer systems to solve differential equations of fluid mechanics, it is possible to analyse various parameters of flow such as velocity, pressure, temperature, etc., including viscosity and compressibility of fluid, porous media, multiphase systems, chemical reactions and combustion processes. The application of CFD facilitates the design and optimization of various processes, saving time and money. CFD analysis is also helpful when some physical phenomena are hardly measurable during experimental studies.

The present Special Issue will focus on computational simulation of fluid flow and heat and mass transfer in engineering and natural systems. Papers dealing with current developments of numerical analysis, as well as reviews of CFD modelling, are also welcome.

Dr. Marzena Iwaniszyn
Dr. Mateusz Korpyś
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • CFD
  • modeling and simulation
  • transport phenomena
  • fluid flow
  • environmental and industrial processes
  • reaction engineering
  • thermodynamics

Published Papers (4 papers)

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Research

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12 pages, 3766 KiB  
Article
Characterization of Fluid Flow and Heat Transfer of Expanded Metal Meshes for Catalytic Processes
by Marzena Iwaniszyn, Katarzyna Sindera, Anna Gancarczyk, Bartosz Leszczyński, Mateusz Korpyś, Mikołaj Suwak, Andrzej Kołodziej and Przemysław J. Jodłowski
Energies 2022, 15(22), 8437; https://doi.org/10.3390/en15228437 - 11 Nov 2022
Viewed by 1317
Abstract
In this work, three raised expanded metal meshes (EMMs) differing in mesh size were tested experimentally with regard to their flow and transport properties. Empirical equations for the Nusselt number and Fanning friction factor were developed. Alongside the experiments, simple computational fluid dynamics [...] Read more.
In this work, three raised expanded metal meshes (EMMs) differing in mesh size were tested experimentally with regard to their flow and transport properties. Empirical equations for the Nusselt number and Fanning friction factor were developed. Alongside the experiments, simple computational fluid dynamics (CFD) models were used to simulate the pressure drop and heat transfer coefficients within EMMs. Finally, the Performance Efficiency Criterion (PEC) was applied to compare EMMs with other reactor packings. Full article
(This article belongs to the Special Issue Computational Fluid Dynamics Modelling of Fluid Flow and Heat and Mass Transfer)
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13 pages, 4031 KiB  
Article
Continuous Adjoint Topology Optimization of Duct Flow Configurations with Explicit Volume Constraint for Design Variable Update
by Mirza Popovac
Energies 2022, 15(19), 7349; https://doi.org/10.3390/en15197349 - 6 Oct 2022
Cited by 1 | Viewed by 1462
Abstract
The adjoint method is a very promising gradient-based optimisation framework for computational fluid dynamics (CFD), because of its independence of the computation cost from the number of design variables. With the aim of improving the robustness of the continuous adjoint topology optimization, this [...] Read more.
The adjoint method is a very promising gradient-based optimisation framework for computational fluid dynamics (CFD), because of its independence of the computation cost from the number of design variables. With the aim of improving the robustness of the continuous adjoint topology optimization, this paper presents a direct method for the design variable update. Based on the intrinsic feature of the topology optimization, this straightforward update method explicitly controls the design variable target volume, precluding any case-dependent parameters. The details of its implementation are discussed with regard to an existing open-source continuous adjoint topology optimization solver. The performance of this alternative method is tested on complex 3D engineering problems with duct configuration, and no impact on the computational demands or numerical stability has been observed in the simulations. Full article
(This article belongs to the Special Issue Computational Fluid Dynamics Modelling of Fluid Flow and Heat and Mass Transfer)
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15 pages, 2607 KiB  
Article
Modeling of Two-Phase Flow Parameters of a Multi-Channel Cylindrical Cyclone
by Aleksandras Chlebnikovas, Jarosław Selech, Artūras Kilikevičius, Krzysztof Przystupa, Jonas Matijošius and Vaidotas Vaišis
Energies 2022, 15(13), 4690; https://doi.org/10.3390/en15134690 - 26 Jun 2022
Cited by 2 | Viewed by 1465
Abstract
The variation in the two-phase flow parameters in a cylindrical body of new geometry and principle of operation are considered for a device for separating solids from air flow, solving the problem of numerical flow modeling. The aim of this research was to [...] Read more.
The variation in the two-phase flow parameters in a cylindrical body of new geometry and principle of operation are considered for a device for separating solids from air flow, solving the problem of numerical flow modeling. The aim of this research was to analyze the changes in the parameters of a multi-channel cylindrical cyclone in a mathematical model and to compare it with the results of the examined physical model. Studies on the numerical modeling of cyclones are reviewed, and models and equations for complex vortex flow description are applied. Differential equations were numerically solved by the finite volume method using the standard turbulence models of k–ε and RNG k–ε. Numerical modeling of the velocities, pressures, and volumes of both phases of the two-phase flow was performed. The simulation of the volume distribution of the second phase (glass particles) in the cyclone structure at flow rates of 10.9 m/s, 13.9 m/s, and 21.9 m/s was performed. The values obtained were compared with the physical model of the cyclone in question. The mean relative error was ±6.9%. Full article
(This article belongs to the Special Issue Computational Fluid Dynamics Modelling of Fluid Flow and Heat and Mass Transfer)
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Review

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18 pages, 4042 KiB  
Review
Periodic Open Cellular Structures (POCS) as Catalyst Supports—A Review
by Marzena Iwaniszyn
Energies 2022, 15(20), 7703; https://doi.org/10.3390/en15207703 - 18 Oct 2022
Cited by 4 | Viewed by 2570
Abstract
Periodic open cellular structures (POCS) are becoming increasingly popular as catalyst carriers due to favorable properties: mixing flow, intense heat/mass transfer and low flow resistance. Their design and manufacturing are relatively easy and cheap. The presented paper focuses on the characterization of POCS [...] Read more.
Periodic open cellular structures (POCS) are becoming increasingly popular as catalyst carriers due to favorable properties: mixing flow, intense heat/mass transfer and low flow resistance. Their design and manufacturing are relatively easy and cheap. The presented paper focuses on the characterization of POCS in relation to their definition, types, classification and properties. Next, the design and manufacturing methods are described. Finally, the literature review dealing with the application of POCS in catalytic processes are presented. Full article
(This article belongs to the Special Issue Computational Fluid Dynamics Modelling of Fluid Flow and Heat and Mass Transfer)
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