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Advanced Analysis of Heat Transfer and Energy Conversion 2024
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Advanced Analysis of Heat Transfer and Energy Conversion 2024

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

Deadline for manuscript submissions: closed (23 January 2025) | Viewed by 1134

Special Issue Editors

Prof. Dr. Jianxin Xu

E-Mail Website
Guest Editor
School of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China
Interests: heat transfer; multiphase flow; computational fluid dynamics; engineering thermodynamics; heat exchangers; experimental fluid mechanics; bubble dynamics; chemical engineering; applied mathematics; waste heat utilization
Special Issues, Collections and Topics in MDPI journals
Dr. Qingtai Xiao

E-Mail Website
Guest Editor
State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming 650093, China
Interests: energy and heat transfer; process intensification; applied statistics; carbon emission
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In the international context of carbon neutrality and carbon peaks, efficient and clean energy utilization methods are expected be explored, and the mechanisms of advanced heat transfer processes should be revealed. Revealing the law of heat and mass transfer and enhancing the mechanism of heat transfer is important in the energy storage field, the electronic information industry, microelectronic mechanical systems, automobiles, aerospace applications, etc. This means that exploring new theories and laws of heat transfer and establishing multi-scale thermodynamic models will be the main topics of future heat transfer research. The main topics include the inertial effect, wave effect, dissipation effect, and conversion effect of heat and mass, as well as a deeper understanding of the basic laws of foundational physical processes such as flow, heat and mass transfer, and combustion from a combination of macroscopic, mesoscopic, and microscopic perspectives. On the other hand, energy shortages and environmental pollution seriously threaten the survival and development of human beings, which necessitates the diversification of the world's energy structure and the exploration of advanced and efficient energy conversion methods.

This Special Issue aims to present and disseminate the advanced theory and technology of heat transfer and energy generation, utilization, conversion, storage, transmission, and conservation.

Topics of interest for publication include, but are not limited to, the following:

  • Modelling of multi-scale enhanced heat transfer;
  • Application of advanced measurement technology in heat transfer and energy conversion;
  • Characterization of heat mass transfer at phase interfaces;
  • Deep learning and machine learning for flow pattern recognition;
  • Advanced thermodynamic cycle construction;
  • A new method for efficient conversion and utilization of medium- and low-temperature energy;
  • Design optimization of complex energy conversion and utilization systems;
  • Renewable energy utilization;
  • New thermodynamic cycle working fluid;
  • Combustion mechanisms and kinetics;
  • A new way to enhance heat transfer;
  • New theories and laws of heat transfer;
  • Advanced thermal management methods.

Prof. Dr. Jianxin Xu
Dr. Qingtai Xiao
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

  • heat transfer
  • energy conversion
  • heat exchangers
  • applied mathematics
  • thermal management
  • advanced thermodynamic cycle

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Published Papers (2 papers)

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27 pages, 11346 KiB  
Article
Heat Transfer Analysis in Double Diaphragm Preforming Process of Dry Woven Carbon Fibres
by Srikara Dandangi, Sadegh Ghanei, Mohammad Ravandi, Jamal Naser and Adriano Di Pietro
Energies 2025, 18(6), 1471; https://doi.org/10.3390/en18061471 - 17 Mar 2025
Viewed by 310
Abstract
Double diaphragm forming (DDF) represents an efficient manufacturing technique leveraging vacuum pressure and heat to form composite material stacks between flexible diaphragms. This study focuses on the critical role of thermal management during preforming, essential for material integrity, defect mitigation, and process efficiency. [...] Read more.
Double diaphragm forming (DDF) represents an efficient manufacturing technique leveraging vacuum pressure and heat to form composite material stacks between flexible diaphragms. This study focuses on the critical role of thermal management during preforming, essential for material integrity, defect mitigation, and process efficiency. A comprehensive three-dimensional finite element model (FEM) is developed to investigate the heat transfer dynamics in DDF, incorporating temperature-dependent material properties such as specific heat and thermal conductivity under compaction and varying density conditions. A novel approach is introduced to predict thermal contact conductance (TCC) across multilayer carbon fabric interfaces, validated using four laminate configurations. The resulting effective thermal conductivity of the laminates is applied in production-scale simulations, enabling accurate predictions of temperature distributions, which are corroborated by experimental data. The findings highlight the significant impact of mesoscale interactions, such as yarn-level deformation and surface asperities, on TCC variation. The study provides an enhanced understanding of heat transfer mechanisms in DDF, offering insights to optimise process parameters, improve product quality, and advance manufacturing capabilities for complex geometries. Full article
(This article belongs to the Special Issue Advanced Analysis of Heat Transfer and Energy Conversion 2024)
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Review

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22 pages, 2131 KiB  
Review
A Review of Quantitative Characterization of Phase Interface Dynamics and Optimization of Heat Transfer Modeling in Direct Contact Heat Transfer
by Mingjian Wang, Jianxin Xu, Shibo Wang and Hua Wang
Energies 2025, 18(9), 2318; https://doi.org/10.3390/en18092318 - 1 May 2025
Viewed by 431
Abstract
Direct contact heat transfer as an efficient heat recovery method. It is used in the fields of waste heat recovery, nuclear engineering, desalination, and metallurgy. This study examined two key issues of the direct contact heat transfer process: difficulty in accurately characterizing the [...] Read more.
Direct contact heat transfer as an efficient heat recovery method. It is used in the fields of waste heat recovery, nuclear engineering, desalination, and metallurgy. This study examined two key issues of the direct contact heat transfer process: difficulty in accurately characterizing the dynamics of the flow field–phase interface; and difficulty in coupling the complex multiphysics fields involved in direct contact heat transfer. This paper systematically reviews the spatio-temporal evolution characteristics and quantitative characterization methods of bubble dynamics in direct contact heat transfer processes, with an in-depth discussion on theoretical modeling approaches and experimental validation strategies for coupled heat and mass transfer mechanisms within multiphase flow systems. An interesting phenomenon was found in this study. Many scholars have focused their research on optimizing the working conditions and structure of direct contact heat transfer in order to improve heat transfer efficiency. The non-equilibrium phenomenon between the two phases of direct contact heat transfer has not been thoroughly studied. The non-equilibrium phase transition model can deepen the understanding of the microscopic mechanism of interfacial energy exchange and phase transition dynamics in direct contact heat transfer by revealing the transient characteristics and non-equilibrium effects of heat and mass transfer at dynamic interfaces. Based on the findings above, three key directions are proposed to guide future research to inform the exploration of direct contact heat transfer mechanisms in future work: 1 dynamic analysis of multi-scale spatio-temporal coupling mechanisms, 2 accurate quantification of unsteady interfacial heat transfer processes, and 3 synergistic integration of intelligent optimization algorithms with experimental datasets. Full article
(This article belongs to the Special Issue Advanced Analysis of Heat Transfer and Energy Conversion 2024)
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