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Selected Papers in 13th International Conference on Computational Heat Mass...
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Selected Papers in 13th International Conference on Computational Heat Mass and Momentum Transfer

A special issue of Entropy (ISSN 1099-4300). This special issue belongs to the section "Thermodynamics".

Deadline for manuscript submissions: closed (20 November 2021) | Viewed by 9278

Special Issue Editors

Prof. Dr. Abdulmajeed A. Mohamad

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Guest Editor
Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
Interests: energy; porous media; heat and mass transfer; computational
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Paweł Ocłoń

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Guest Editor
Energy Department, Faculty of Environmental and Energy Engineering, Krakow University of Technology, Al. Jana Pawła II, 31-864 Krakow, Poland
Interests: computational fluid dynamics; engineering thermodynamics; modeling and simulation
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Smaine Kouidri

E-Mail Website
Guest Editor
Arts et Metiers Institute of Technology, 75013 Paris, France
Interests: turbomachinery; aeroacoustics; energy systems; heat and mass transfer
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Farid Bakir

E-Mail Website
Guest Editor
Arts et Metiers Institute of Technology, CNAM, LIFSE, HESAM University, 75013 Paris, France
Interests: biopolymers; drug eluting stent; drug release mechanisms; cardiovascular diseases; kinetic models; polymer matrix; in-vitro assays
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Computational techniques and methods are an evolutionary field, from macroscopic-level to nano-level, using continuum and discrete mechanics. It is necessary for scientists and engineers to come together every two years in a relaxed environment to discuss new ideas and developments in the area of computational methods and applications, especially in the topic of fluid dynamics, heat and mass transfer in nonreactive and reactive processes. In addition, it is good opportunity for new scientists and engineers to explore the art of computational methods. Submission of contributions to this Special Issue is encouraged for all participants of the ICCHMT conference (https://icchmt2021.com/).

Prof. Dr. Abdulmajeed A. Mohamad
Prof. Dr. Paweł Ocłoń
Prof. Dr. Smaine Kouidri
Prof. Dr. Farid Bakir
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. Entropy is an international peer-reviewed open access monthly 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

  • Advanced Numerical Methods
  • Aeronautical and Space Applications
  • Bio-Fluidics and Biomedical Engineering
  • Bio-Inspired Flow and Heat Transfer
  • Complex Chemical Reaction Modelling
  • Compressible Flows
  • Convection and Buoyancy-Driven Flows
  • Double Diffusive Convection
  • Fluid Flow and Heat Transfer in Biomedical
  • Devices and Biotechnology
  • Fluid Machinery
  • Granular Flows
  • Heat and Mass Transfer in Manufacturing and
  • Materials Processing
  • Heat and Mass Transfer in Nuclear Applications
  • Heat and Mass Transfer in Particle-Laden Flows
  • Heat Exchangers / Heat Pipe
  • Internal Flow and Heat Transfer
  • Micro / Nano Heat and Mass Transfer
  • Mixing Devices and Phenomena
  • Multi-Phase Flows
  • Reactive Flows and Combustion
  • Steam and Gas Turbines
  • Technology for Renewable Energy Sources
  • Thermal Flow Visualization
  • Thermal Fluid Machinery
  • Transport Phenomena in Porous Media
  • Waste Management and Waste Disposal
  • Any Other Related Topics

Published Papers (3 papers)

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Research

20 pages, 7876 KiB  
Article
Numerical Assessment of the Hydrodynamic Behavior of a Volute Centrifugal Pump Handling Emulsion
by Lila Achour, Mathieu Specklin, Idir Belaidi and Smaine Kouidri
Entropy 2022, 24(2), 221; https://doi.org/10.3390/e24020221 - 31 Jan 2022
Cited by 9 | Viewed by 2929
Abstract
Although emulsion pumping is a subject of growing interest, a detailed analysis of the fluid dynamic phenomena occurring inside these machines is still lacking. Several computational investigations have been conducted to study centrifugal pumps carrying emulsion by analyzing their overall performance, but no [...] Read more.
Although emulsion pumping is a subject of growing interest, a detailed analysis of the fluid dynamic phenomena occurring inside these machines is still lacking. Several computational investigations have been conducted to study centrifugal pumps carrying emulsion by analyzing their overall performance, but no studies involved the rheological behavior of such fluids. The purpose of this study is to perform a computational analysis of the performance and flow characteristics of a centrifugal pump with volute handling emulsions and oil–water mixtures at different water cuts modeled as a shear-thinning non-Newtonian fluid. The studied pump consists of a five-bladed backward curved impeller and a volute and has a specific speed of 32 (metric units). The rheological properties of the mixtures studied were measured experimentally under a shear rate ranging from 1 s−1 to 3000 s−1 and were fitted to conventional Cross and Carreau effective viscosity models. Numerical results showed the flow topology in the pump is directly related to the viscosity plateau of the pseudoplastic behavior of emulsions. The viscosity plateau governs pump performance by influencing the loss mechanisms that occur within the pump. The larger the ν∞, the less recirculation loss the fluid experiences, and conversely, the smaller the value of ν0, the less friction loss the fluid experiences. Full article
(This article belongs to the Special Issue Selected Papers in 13th International Conference on Computational Heat Mass and Momentum Transfer)
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11 pages, 6814 KiB  
Article
Coolant Wetting Simulation on Simplified Stator Coil Model by the Phase-Field Lattice Boltzmann Method
by Makoto Sugimoto, Tatsuya Miyazaki, Masayuki Kaneda and Kazuhiko Suga
Entropy 2022, 24(2), 219; https://doi.org/10.3390/e24020219 - 30 Jan 2022
Viewed by 2430
Abstract
Stator coils of automobiles in operation generate heat and are cooled by coolant poured from above. The flow characteristic of the coolant depends on the coil structure, flow condition, solid–fluid interaction, and fluid property, which has not been clarified due to its complexities. [...] Read more.
Stator coils of automobiles in operation generate heat and are cooled by coolant poured from above. The flow characteristic of the coolant depends on the coil structure, flow condition, solid–fluid interaction, and fluid property, which has not been clarified due to its complexities. Since straight coils are aligned and layered with an angle at the coolant-touchdown region, the coil structure is simplified to a horizontal square rod array referring to an actual coil size. To obtain the flow and wetting characteristics, two-phase fluid flow simulations are conducted by using the phase-field lattice Boltzmann method. First, the flow onto the single-layered rod array is discussed. The wetting area is affected both by the rod gap and the wettability, which is normalized by the gap and the averaged boundary layer thickness. Then, the flow onto the multi-layered rod arrays is investigated with different rod gaps. The top layer wetting becomes longitudinal due to the reduction of the flow advection by the second layer. The wetting area jumps up at the second layer and increases proportionally to the below layers. These become remarkable at the narrow rod gap case, and finally, the dimensionless wetting area is discussed at each layer. Full article
(This article belongs to the Special Issue Selected Papers in 13th International Conference on Computational Heat Mass and Momentum Transfer)
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16 pages, 6286 KiB  
Article
Improved Aerodynamics of a Hollow-Blade Axial Flow Fan by Controlling the Leakage Flow Rate by Air Injection at the Rotating Shroud
by Michaël Pereira, Florent Ravelet, Kamel Azzouz, Tarik Azzam, Hamid Oualli, Smaïne Kouidri and Farid Bakir
Entropy 2021, 23(7), 877; https://doi.org/10.3390/e23070877 - 08 Jul 2021
Cited by 4 | Viewed by 2612
Abstract
Axial flow fans are used in many fields in order to ensure the mass and heat transfer from air, chiefly in the heating, ventilation and air conditioning industry (HVAC). A more proper understanding of the airflow behavior through the systems is necessary to [...] Read more.
Axial flow fans are used in many fields in order to ensure the mass and heat transfer from air, chiefly in the heating, ventilation and air conditioning industry (HVAC). A more proper understanding of the airflow behavior through the systems is necessary to manage and optimize the fan operation. Computational fluid dynamics (CFD) represents a real tool providing the ability to access flow structures in areas that measuring equipment cannot reach. Reducing the leakage flow rate, inherent in operation, by synthetic-jet techniques improves performance. This paper presents the CFD results performed on a hollow blade fan developed by our team. The leakage flow is controlled by blowing air from 16 designated circular holes and arranged on the fan shroud. We discuss the results for two rotational speeds (1000 and 2000 rpm) and two injection rates (400 and 800 L/min). The numerical results consistent with the experimental show, for the low rotation speed and high injection ratio, significant gains in power (53%), torque (80%) and leakage flow rate (80%). Full article
(This article belongs to the Special Issue Selected Papers in 13th International Conference on Computational Heat Mass and Momentum Transfer)
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