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Advanced in Simulation and Applications of High-Performance Turbomachinery
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Advanced in Simulation and Applications of High-Performance Turbomachinery

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "J: Thermal Management".

Deadline for manuscript submissions: 15 December 2025 | Viewed by 2392

Special Issue Editors

Dr. Davide Marsano

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Guest Editor
Dipartimento di Ingegneria Meccanica, Energetica, Gestionale e dei Trasporti (DIME), Università degli Studi di Genova, Via Montallegro 1, 16145 Genova, Italy
Interests: centrifugal compressor; CFD; aeroacoustic; industrial thermo-fluid dynamics; aerodynamic; combustion
Dr. Carlo Cravero

E-Mail Website
Guest Editor
Dipartimento di Ingegneria Meccanica, Energetica, Gestionale e dei Trasporti (DIME), Università degli Studi di Genova, Via Montallegro 1, 16145 Genova, Italy
Interests: development and application of software platforms for computational fluid dynamics (CFD); development of analysis or design platforms for fluid machinery; application of optimization and soft computing techniques for the development of fluid machinery or industrial components; application of CFD to industrial components and systems

Special Issue Information

Dear Colleagues,

Turbomachinery plays a pivotal role in various energy-related sectors, from power generation and aerospace to automotive industries. In the context of the current energy transition, the optimization of turbomachinery components, including compressors, turbines, and pumps, holds high strategic significance. This optimization is indispensable for bolstering energy efficiency and safeguarding environmental sustainability. Computational fluid dynamics (CFD) simulations have become indispensable in analyzing, designing, and optimizing turbomachinery systems.

This Special Issue aims to showcase recent advancements, challenges, and innovations in simulations for energy-focused turbomachinery applications. Topics of interest include, but are not limited to, the following:

  1. Advanced numerical methods and algorithms for simulating complex flow phenomena in high-performance turbomachinery.
  2. Multi-disciplinary simulations for integrating fluid dynamics with structural, thermal, or acoustic analyses to enhance energy performance.
  3. High-fidelity simulations for capturing flow instabilities, unsteady phenomena, and transient operations in turbomachinery.
  4. Simulation-driven design optimization techniques for improving energy efficiency, reliability, and performance of turbomachinery components.
  5. Integration of simulations with experimental data for validation and verification purposes.
  6. Applications of artificial intelligence, machine learning, and data-driven modeling in high-performance turbomachinery simulations.
  7. Case studies demonstrating successful applications of simulations in addressing real-world energy-related turbomachinery engineering challenges.

Gas turbines, steam turbines, wind turbines, thermal dynamics, combustion, and compressors represent integral aspects within this Special Issue, given their substantial contributions to energy generation and utilization.

Researchers and practitioners are encouraged to submit original research articles, review papers, and case studies addressing the aforementioned topics. This Special Issue aims to foster discussions, share insights, and promote collaboration among academia, industry, and research institutions in advancing energy-focused turbomachinery simulations.

Dr. Davide Marsano
Dr. Carlo Cravero
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

  • turbomachinery
  • computational fluid dynamics (CFD)
  • numerical simulations
  • compressors
  • gas turbines
  • steam turbines
  • wind turbines
  • pumps
  • thermal dynamics
  • combustion
  • high performance
  • energy transition
  • design optimization
  • multi-disciplinary simulations
  • unsteady flow
  • transient operations
  • flow instabilities
  • artificial intelligence (AI)
  • machine learning (ML)

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Published Papers (3 papers)

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Research

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22 pages, 6648 KiB  
Article
Conjugate Heat Transfer Modelling in a Centrifugal Compressor for Automotive Applications
by Carlo Cravero, Pierre-Alain Hoffer, Davide Marsano, Daniele Mattiello and Luigi Mosciaro
Energies 2025, 18(13), 3348; https://doi.org/10.3390/en18133348 - 26 Jun 2025
Viewed by 180
Abstract
In the automotive industry, the increasing stringent standards to reduce fuel consumption and pollutant emissions has driven significant advancements in turbocharging systems. The centrifugal compressor, as the most widely used power-absorbing machinery, plays a crucial role but remains one of the most complex [...] Read more.
In the automotive industry, the increasing stringent standards to reduce fuel consumption and pollutant emissions has driven significant advancements in turbocharging systems. The centrifugal compressor, as the most widely used power-absorbing machinery, plays a crucial role but remains one of the most complex components to study and design. While most numerical studies rely on adiabatic models, this work analyses several Computational Fluid Dynamics (CFD) models with conjugate heat transfer (CHT) of varying complexity, incorporating real solid components. This approach allowed a sensitivity analysis of the performance obtained from the different models compared to the adiabatic case, highlighting the effects of internal heat exchange losses. Moreover, an analysis of the temperature distribution of the wheel was conducted, along with a thermal assessment of the various heat flux contributions across the different components, to gain a deeper understanding of the performance differences. The impact of including the seal plate has been evaluated and different boundary conditions on the seal plate have been tested to assess the uncertainty in the results. Finally, the influence of heat exchange between the shroud and the external environment is also examined to further refine the model’s accuracy. One of the objectives of this work is to obtain a correct temperature profile of the rotor for a subsequent thermo-mechanical analysis. Full article
(This article belongs to the Special Issue Advanced in Simulation and Applications of High-Performance Turbomachinery)
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17 pages, 12091 KiB  
Article
Genetic Optimization of Twin-Web Turbine Disc Cavities in Aeroengines
by Yueteng Guo, Suofang Wang and Wenjie Shen
Energies 2024, 17(17), 4346; https://doi.org/10.3390/en17174346 - 30 Aug 2024
Cited by 1 | Viewed by 1018
Abstract
Twin-web turbine discs have been the subject of research recently in an effort to lighten weight and boost aeroengine efficiency. In the past, the cooling design of turbine discs was generally constrained to optimizing a single structural parameter, which hindered the enhancement of [...] Read more.
Twin-web turbine discs have been the subject of research recently in an effort to lighten weight and boost aeroengine efficiency. In the past, the cooling design of turbine discs was generally constrained to optimizing a single structural parameter, which hindered the enhancement of the optimization impact. Therefore, this article proposes a twin-web turbine disc system with a high radius pre-swirl. Driven by the database produced through the numerical simulation, a backpropagation network surrogate model is constructed, and the angles of the pre-swirl nozzles and receiver holes are optimized by a genetic algorithm to enhance the cooling efficiency of the turbine disc. Evaluation was based on the highest disc temperature, disc temperature uniformity, and Nusselt number. The results demonstrate that the suggested surrogate model effectively optimizes the structural characteristics of the twin-web turbine disc by aiming for the specified cooling performance indexes. The cooling effect of the turbine disc is significantly improved in different operating environments. Specifically, the optimized model produces the largest temperature drop in the disc rim temperature. Both axial and radial temperature uniformity have led to a notable enhancement. The alteration in coolant flow within the cavity results in a notable decrease in the area with low heat transfer efficiency and a substantial increase in the Nusselt number. Full article
(This article belongs to the Special Issue Advanced in Simulation and Applications of High-Performance Turbomachinery)
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Review

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23 pages, 2070 KiB  
Review
Review and Prospects of Numerical Simulation Research on Internal Flow and Performance Optimization of Twin-Screw Compressors
by Yiqiao Li, Xing Zhao, Shan Liu, Chen Wang, Shenqiang Shen and Yali Guo
Energies 2025, 18(10), 2608; https://doi.org/10.3390/en18102608 - 18 May 2025
Viewed by 531
Abstract
The twin-screw compressor exhibits significant application value in the fields of energy, refrigeration, construction, transportation, and related domains. Owing to the benefits of short cycles and low costs, numerical simulation technology has attracted increasing attention. Over recent years, the numerical simulation technology for [...] Read more.
The twin-screw compressor exhibits significant application value in the fields of energy, refrigeration, construction, transportation, and related domains. Owing to the benefits of short cycles and low costs, numerical simulation technology has attracted increasing attention. Over recent years, the numerical simulation technology for twin-screw compressors has advanced rapidly, and many important results have been achieved. This paper comprehensively discusses the modeling method of twin-screw compressors, the meshing technique, advances in numerical simulation of internal flow, the research status of numerical simulation research regarding structural operating conditions, and performance optimization. The synergistic potential between these technologies for improving the performance and efficiency of twin-screw compressors is investigated. The numerical simulation research progress of the internal flow and performance optimization of twin-screw compressors is systematically reviewed. Against the background of global energy saving and carbon reduction, this paper offers readers an in-depth understanding of the technical challenges, research hotspots, and development directions in the related field. It fills the relevant gaps within the current literature. The results highlight the role and potential of deep exploration of the intrinsic relationship between local complex flow characteristics and structural optimization for the performance optimization of twin-screw compressors. For conforming to actual conditions and pertinency, mathematical models such as multiphase flow and turbulence models should be further improved. The current research results remain constrained by the lack of comprehensive consideration of multi-field coupling. In the future development of energy-saving and environment-friendly high-performance twin-screw compressors, numerical simulation research should be developed for high precision, multi-physical field coupling, influencing mechanism research, energy-saving, and environmental friendliness, and intelligence. It establishes a theoretical foundation for further enhancing the performance and mechanism theory of twin-screw compressors. Full article
(This article belongs to the Special Issue Advanced in Simulation and Applications of High-Performance Turbomachinery)
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