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Processes
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Research on Heat Transfer Processes: Numerical Simulation and Intensification
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Research on Heat Transfer Processes: Numerical Simulation and Intensification

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Chemical Processes and Systems".

Deadline for manuscript submissions: closed (31 October 2025) | Viewed by 3070

Special Issue Editors

Prof. Dr. Shung-Wen Kang

E-Mail Website
Guest Editor
Department of Mechanical and Electro-Mechanical Engineering, Tamkang University, Tamsui Dist., New Taipei City 251301, Taiwan
Interests: heat pipes; heat exchangers; thermo-fluids; thermal management; additive manufacturing
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Sundararaj Senthilkumar

E-Mail Website1 Website2
Guest Editor
Department of Aerospace Engineering, SRM Institute of Science and Technology, Chennai, India
Interests: computational fluid dynamics (CFD); aerodynamics; heat transfer; multi-fluid flows; thermo-fluid systems; heat pipes; jets; machine learning

Special Issue Information

Dear Colleagues,

We are delighted to announce the launch of a new Special Issue, entitled "Research on Heat Transfer Processes: Numerical Simulation and Intensification", of Processes. This Special Issue aims to serve as a platform for researchers and practitioners from academia and industry to share breakthroughs, practical challenges, and pioneering solutions in the realm of heat transfer.

The focus of this Special Issue is to explore innovative and intensified methods of heat transfer, with a particular emphasis on numerical simulations that push the boundaries of current technologies and methodologies. Contributions may range from experimental studies to advanced simulations, covering a wide array of applications, including, but not limited to, renewable energy, chemical processing, thermal management systems, etc., as detailed below:

  • Heat transfer and thermal power;
  • Thermal science and energy systems;
  • Thermal system design;
  • Thermodynamics and combustion engineering;
  • Refrigeration and air conditioning;
  • Thermal turbomachines;
  • Heat exchangers and heat pipes;
  • Space vehicle heat transfer;
  • Combustion chamber heat transfer;
  • Multiphase heat transfer systems;
  • Battery cooling systems;
  • Electronic cooling systems;
  • Heat energy conversion and recovery;
  • Solar thermal systems;
  • Thermal enhancement techniques.

We invite submissions that highlight novel research findings, review emerging trends, and discuss the future direction of heat transfer technologies.

Prof. Dr. Shung-Wen Kang
Prof. Dr. Sundararaj Senthilkumar
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 250 words) can be sent to the Editorial Office for assessment.

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. Processes 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 2400 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 analysis
  • thermal engineering
  • heat energy system
  • thermo-fluids
  • heat energy conversion
  • electronic cooling
  • HVAC systems
  • space vehicles
  • heat exchangers
  • heat pipes
  • computational
  • experimental
  • theoretical analysis

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • Reprint: MDPI Books provides the opportunity to republish successful Special Issues in book format, both online and in print.

Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Research

32 pages, 13637 KB  
Article
Prediction of Boil-Off Gas in Cryogenic Tanks with a Coupled Thermal Resistance and Thermodynamic Model
by Min-Seok Kim and Jang Hyun Lee
Processes 2025, 13(11), 3584; https://doi.org/10.3390/pr13113584 - 6 Nov 2025
Viewed by 631
Abstract
This study proposes an analytical model for the long-term prediction of boil-off gas (BOG) generation in cryogenic storage tanks. The model assumes a saturated liquid and a superheated vapor under open-vent conditions. Heat ingress is estimated using steady-state thermal conduction analysis, and evaporation [...] Read more.
This study proposes an analytical model for the long-term prediction of boil-off gas (BOG) generation in cryogenic storage tanks. The model assumes a saturated liquid and a superheated vapor under open-vent conditions. Heat ingress is estimated using steady-state thermal conduction analysis, and evaporation is then computed from thermodynamic equilibrium. In the first stage, a thermal resistance network quantifies the heat flux transferred to the liquid and vapor regions inside the tank. The network represents external convection, insulation conduction, and internal convection as thermal resistances. In particular, natural convection on the external and internal tank walls, as well as heat transfer at the liquid–vapor interface, are incorporated through appropriate convective heat-transfer correlations. In the second stage, the temporal variations in temperature and phase change of the vapor and liquid are computed. Each phase is modeled as a lumped mass at equilibrium, and the heat ingress obtained from the thermal resistance network is used to simulate the temperature evolution and evaporation process. A numerical model is also developed to capture the time-dependent variations in liquid and vapor heights and the corresponding BOG generation. The proposed model is applied to a 1.0 m3 liquid nitrogen storage tank and validated through comparison with the BoilFAST and SINDA/FLUINT models. The results confirm the validity of the model in terms of heat ingress, vapor temperature evolution, and BOG history. This study provides a practical framework for predicting long-term evaporation phenomena in cryogenic storage tanks and is expected to contribute to the thermal design and performance evaluation of cryogenic storage systems. Full article
(This article belongs to the Special Issue Research on Heat Transfer Processes: Numerical Simulation and Intensification)
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10 pages, 1445 KB  
Article
Investigation on the Flow and Solidification Characteristic of Steel During Continuous Casting
by Guohui Li, Tianyi Li, Shuai Zhang, Wenqing Lin and Fengming Du
Processes 2025, 13(11), 3550; https://doi.org/10.3390/pr13113550 - 4 Nov 2025
Viewed by 409
Abstract
The flow and solidification inside the mould are crucial to the quality of the casting billet during continuous casting. In this work, a three-dimensional coupled model of flow and solidification was established, and the flow field and temperature distribution characteristics of molten steel [...] Read more.
The flow and solidification inside the mould are crucial to the quality of the casting billet during continuous casting. In this work, a three-dimensional coupled model of flow and solidification was established, and the flow field and temperature distribution characteristics of molten steel were deeply explored. The results indicated that the molten steel streams out of the SEN at a defined degree and enters the mould in the form of an impact stream, and then impacts the narrow surface. The eddy core position in the upper recirculation region of the flow field is (0.565 m, −0.179 m), and eddy core position in the lower recirculation region is (0.524 m, −0.455 m). Within the range of 100–400 mm from the liquid surface, the main stream and upper ring flow of molten steel have a significant impact on the solidification of the casting billet, and the distribution and longitudinal variation in the liquid phase ratio at different height sections are very obvious. At the exit of the mould, the average thickness of the inner arc and outer arc shells is 15.2 mm and 14.5 mm, respectively. The model can provide guidance for enhancing and optimizing the quality of continuous casting billets. Full article
(This article belongs to the Special Issue Research on Heat Transfer Processes: Numerical Simulation and Intensification)
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17 pages, 17585 KB  
Article
Optimization of Combustion Parameters in the Fire Tube of Water Jacket Heating Furnace Based on FLUENT
by Mei Lu, Yuan Tian, Jie Wang and Congmin Lv
Processes 2025, 13(1), 190; https://doi.org/10.3390/pr13010190 - 11 Jan 2025
Cited by 1 | Viewed by 1448
Abstract
The combustion calculation domain of a water jacket heating furnace was established, and the fuel consumption and air consumption were optimized based on FLUENT. The amount of air consumption is based on the theoretical value of combustion, an air excess coefficient of 1.2 [...] Read more.
The combustion calculation domain of a water jacket heating furnace was established, and the fuel consumption and air consumption were optimized based on FLUENT. The amount of air consumption is based on the theoretical value of combustion, an air excess coefficient of 1.2 is taken, and the fuel consumption rate is set at 110, 130, 150, 170, and 190 m3/h. A comparative analysis of the calculation results shows that when the fuel consumption rate is 170 m3/h, the fuel combustion in the fire tube is the most intense, the combustion temperature is the highest, and the average temperature on the inner wall of the fire tube is the highest. Based on the optimal fuel consumption rate of 170 m3/h, the air consumption continues to be optimized. The air consumption was characterized by the air excess coefficient, which was 1.05, 1.10, 1.15, 1.20, 1.25, and 1.30, respectively. The comparative analysis of the calculation results shows that the flame temperature and diffusion combustion are the highest in the fire tube when the air excess coefficient is 1.25, but the average temperature of the inner wall of the fire tube is low, and the heat transfer effect is not optimal, while the air coefficient is 1.15. Full article
(This article belongs to the Special Issue Research on Heat Transfer Processes: Numerical Simulation and Intensification)
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