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CFD Simulation in Energy Engineering Research

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "K: State-of-the-Art Energy Related Technologies".

Deadline for manuscript submissions: 26 September 2025 | Viewed by 1313

Special Issue Editors


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Guest Editor
Institute of Process Engineering, Faculty of Mechanical Engineering, Brno University of Technology, Technická 2896/2, 61669 Brno, Czech Republic
Interests: applied and enhanced heat transfer; process and power heat transfer equipment (low-emission burners, combustion systems, process-fired heaters, boilers, heat exchangers); simulation, optimization, and CFD applications of heat transfer equipment in the process and power industry; process and equipment design and integration for energy savings and emissions reduction; thermal treatment and energy utilization of waste (waste-to-energy); energy savings and environmental protection
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Guest Editor
Institute of Process Engineering, Faculty of Mechanical Engineering, Brno University of Technology, 61669 Brno, Czech Republic
Interests: CFD modelling of process and power engineering units; CFD modelling of grate combustion of solid fuels; CFD modelling of swirling turbulent flames of gas and liquid fuels; CFD modelling of multiphase flows; coupled CFD-DEM simulation; turbulence modelling and simulation; numerical models for heat and mass transfer in porous media; design of experiment applied to CFD simulations; uncertainty assessment in CFD

Special Issue Information

Dear Colleagues,

CFD simulation has become an inherent part of both research and engineering practice and has widely been applied to a broad range of problems in the energy engineering field as an advanced computational, supporting and decision-making tool in design, research and development, troubleshooting, optimization and virtual testing and prototyping. While CFD has already provided invaluable insights as a stand-alone computational tool, its capabilities are often extended by coupling with other simulation tools, methods and approaches, leading to an even better perspective over complex multi-physical engineering systems.

This Special Issue aims to present and disseminate recent advancements in CFD simulations applied in energy engineering research. It encompasses a broad range of topics, including advanced CFD modelling techniques used in simulations of various energy engineering technologies and the application of CFD within multi-physical simulations of energy engineering systems. Submissions that utilize artificial intelligence and machine learning in CFD simulations are particularly encouraged.  

Topics of interest include, but are not limited to:

  • Advancements in computational fluid dynamics (CFD) applied to solar, wind, geothermal, hydroelectric, nuclear, combustion and gasification technologies;
  • CFD-assisted design, troubleshooting and optimization of heat production, transfer and utilization units;
  • Novel algorithms and approaches in CFD simulations applied to energy engineering problems;
  • Artificial intelligence and machine learning in CFD applied to energy engineering problems;
  • Uncertainty assessment of CFD simulations of energy engineering equipment.

Dr. Zdeněk Jegla
Dr. Tomáš Juřena
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 modelling
  • CFD simulation
  • CFD model
  • numerical simulation
  • numerical model
  • energy engineering technology
  • advanced CFD modelling
  • CFD-assisted design, troubleshooting and optimization
  • fluid flow
  • computational heat and mass transfer

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Published Papers (2 papers)

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Research

19 pages, 12313 KiB  
Article
Numerical Study of the Effect of Winglets with Multiple Sweep Angles on Wind Turbine Blade Performance
by Bayu K. Wardhana and Byeongrog Shin
Energies 2025, 18(5), 1292; https://doi.org/10.3390/en18051292 - 6 Mar 2025
Viewed by 421
Abstract
A numerical study was conducted on winglet designs with multiple sweep angles for improving the performance of horizontal axis wind turbine (HAWT) blades, and their effect on reducing the wing tip vortex was investigated by CFD analysis. The effects of sweep angles were [...] Read more.
A numerical study was conducted on winglet designs with multiple sweep angles for improving the performance of horizontal axis wind turbine (HAWT) blades, and their effect on reducing the wing tip vortex was investigated by CFD analysis. The effects of sweep angles were examined through NREL Phase VI turbine blades considering a wind speed range of 7 to 25 m/s. Numerical simulations were performed using RANS equations and the SST k–ω turbulence model. The interaction of the blade rotation and wind flow was modeled using a moving reference frame method. The numerical results were found to be in good agreement with the inferences drawn from the experiments for a baseline blade without a winglet, thereby validating the computational method. The investigations revealed that multi-swept winglets predicted a 14.6% torque increment, providing higher power output than single-swept winglets compared to the baseline blade at a wind speed of 15 m/s. Implementing multiple sweep angles in winglet design can improve the blade performance effectively without further increments in winglet length. Full article
(This article belongs to the Special Issue CFD Simulation in Energy Engineering Research)
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21 pages, 24831 KiB  
Article
CFD-Based Investigation of the Operation Process of Radial Labyrinth Machinery Under Different Geometrical Configurations
by Przemyslaw Szulc and Janusz Skrzypacz
Energies 2024, 17(24), 6477; https://doi.org/10.3390/en17246477 - 23 Dec 2024
Viewed by 515
Abstract
This study explores the performance and flow characteristics of radial labyrinth pumps (RLPs) under various geometrical configurations and operating conditions. Experimental investigations and numerical simulations were conducted to evaluate the impact of design parameters such as blade geometry, channel width and blade angle [...] Read more.
This study explores the performance and flow characteristics of radial labyrinth pumps (RLPs) under various geometrical configurations and operating conditions. Experimental investigations and numerical simulations were conducted to evaluate the impact of design parameters such as blade geometry, channel width and blade angle on pump hydraulic performance. The numerical model, developed using the realizable k-ε turbulence model, was validated with experimental data, achieving satisfactory convergence (4.8%—bladed active disc operating with a smooth passive disc and 3.0%—bladed active disc operating with a bladed passive disc). Analysis of the velocity profiles and vortex structures formed between the active and passive discs was performed. These findings underscore the importance of optimizing disc geometry to balance centrifugal effects and momentum exchange. The obtained head for the model with a bladed active disc operating with a smooth passive disc was H = 24.1 m, while, for the bladed active disc operating with a bladed passive disc, it was almost 1.7 times higher at H = 40.3 m. Additionally, the research identifies potential zones within the pump where energy transfer processes differ, providing insight into targeted design improvements. The findings provide valuable information on the optimization of RLP designs and their broader applicability. Full article
(This article belongs to the Special Issue CFD Simulation in Energy Engineering Research)
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