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Advanced Thermal Analysis and Management Technology
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Advanced Thermal Analysis and Management Technology

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

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 8154

Special Issue Editors

Dr. Xue Chen

E-Mail Website
Guest Editor
School of Energy Science and Engineering, Harbin Institute of Technology, 92, West Dazhi Street, Harbin 150001, China
Interests: solar energy; radiative transfer; heat and mass transfer; solar porous medium reactor; CFD simulation; engineering thermodynamics
Dr. Xian-long Meng

E-Mail Website
Guest Editor
School of Power and Energy, Northwestern Polytechnical University, Xi'an 710072, China
Interests: radiation heat transfer; heat transfer in aero engine; concentrated solar power
Dr. Chuang Sun

E-Mail Website
Guest Editor
School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
Interests: radiation-heat conduction coupled heat transfer; thermal analysis calculation and thermal control method; stray radiation analysis and suppression methods

Special Issue Information

Dear Colleagues,

We are pleased to invite you to contribute to an upcoming Special Issue of Energies entitled “Advanced Thermal Analysis and Management Technology”.

Energy collection, conversion, and utilization processes are usually accompanied by heat transfer and temperature change. As a motivation to ensure the safety of elements, devices, and whole systems from thermal runaway, deeper studies on the physical phenomena and meticulous design of thermal management have attracted increasing interest in many engineering applications.

This Special Issue is open to researchers and authors who want to submit their research and review articles in the area of thermal analysis, modeling, and management for a specific surface, structure, equipment, etc. Theoretical solutions, practical studies, and new methods are all welcome. Topics of interest for publication include but are not limited to:

  • Conductive, convective, radiative heat transfer
  • High-accuracy/efficiency/stability thermal numerical methods
  • Optimization in thermal engineering
  • Renewable energy harvesting and conversion
  • Innovative thermal management technology
  • Flow and heat transfer in heat exchanger
  • Electronics chip/device cooling
  • Thermal control for spacecraft, vehicles, fuel cells
  • Radiative cooling

Dr. Xue Chen
Dr. Xian-long Meng
Dr. Chuang Sun
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

  • thermal engineering
  • heat transfer modeling
  • thermal analysis and control
  • energy conversion and thermal management
  • thermal protection system
  • cooling technology
  • renewable resource utilization

Published Papers (6 papers)

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Research

24 pages, 20157 KiB  
Article
Improved Structural Local Thermal Energy Planning Based on Prosumer Profile: Part B
by Adamantios G. Papatsounis and Pantelis N. Botsaris
Energies 2022, 15(20), 7708; https://0-doi-org.brum.beds.ac.uk/10.3390/en15207708 - 19 Oct 2022
Cited by 1 | Viewed by 974
Abstract
Distributed energy systems (DES) are currently at the forefront of the energy transition. Their placement brings production closer to the demand side of urban and sub-urban environments, making optimal design a necessity. However, the complexity of accurately addressing the energy demands via DES [...] Read more.
Distributed energy systems (DES) are currently at the forefront of the energy transition. Their placement brings production closer to the demand side of urban and sub-urban environments, making optimal design a necessity. However, the complexity of accurately addressing the energy demands via DES has received increasing research attention. This is mainly due to the impact they have on the energy transition’s socioeconomic aspect, as these systems are far from viable in most cases, especially when cutting-edge renewable technologies are involved. The current study aims to provide a practical and non-repetitive approach to DES design, explicitly referring to thermal distributed supply systems (TDESS). The authors present the last two of their three-layer Hierarchically Dependent Layering Methodology (HDLM) approach in designing a thermal local energy community (TLEC) from the ground up. The 2nd layer is the superstructure design of the TLEC, where a map approach is introduced and explores several combinations of the selected equipment, how they will interact to meet the heating and cooling loads and how they will form the superstructure. The 3rd is the economic assessment of the proposed scenario. The study results indicate relative ease of use of the model, as a non a priori approach is needed. Additionally, the proposed solution is economically viable as the respective performance indicators suggest. Full article
(This article belongs to the Special Issue Advanced Thermal Analysis and Management Technology)
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15 pages, 5008 KiB  
Article
Thermal Stress Characteristics of Dissimilar Joints Joining Ti-64 and CCM via Linear Friction Welding
by Aspen Glaspell, José Angel Diosdado-De la Peña, Jae Joong Ryu and Kyosung Choo
Energies 2022, 15(15), 5588; https://0-doi-org.brum.beds.ac.uk/10.3390/en15155588 - 01 Aug 2022
Viewed by 1001
Abstract
Linear Friction Welding (LFW) is a unique welding process which enables dissimilar materials to be welded without filler material. In this study, bi-metallic Ti-64-CCM joints were manufactured utilizing LFW and subsequently analyzed. A coupled thermal-deformation model was created to accurately model both thermal [...] Read more.
Linear Friction Welding (LFW) is a unique welding process which enables dissimilar materials to be welded without filler material. In this study, bi-metallic Ti-64-CCM joints were manufactured utilizing LFW and subsequently analyzed. A coupled thermal-deformation model was created to accurately model both thermal and deformation profiles along the weld interface. Ti-64 and CCM stock were machined in accordance with ASTM standards for tensile testing. Temperature distribution of the two material surfaces were measured using an IR camera. Tensile testing was then performed to analyze weldability and bonding strength. A transient decoupled thermomechanical simulation model was generated to simulate the LFW process. The simulation model produced results within 5% error of both experimental results. The tensile testing results indicate that successful bonding of Ti-64 to CCM is possible for an oscillation amplitude of 2 mm under large forging pressure. The results also show that parameter optimization is essential for successful LFW, as the decrease in percent error from test set 1 to test set 4 was 62.5%. From the tensile testing and thermal data collected, it was concluded that bonding of Ti-64 to CCM via LFW is possible but further research into the necessary process parameters is needed. Full article
(This article belongs to the Special Issue Advanced Thermal Analysis and Management Technology)
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16 pages, 3346 KiB  
Article
Comparative Research on Ventilation Characteristics of Scattering and Sample Room from Chinese Spallation Neutron Source
by Shengqiang Wei, Yiping Lu, Wei Yang, Yubin Ke, Haibiao Zheng, Lingbo Zhu, Jianfei Tong, Longwei Mei, Shinian Fu and Congju Yao
Energies 2022, 15(11), 4001; https://0-doi-org.brum.beds.ac.uk/10.3390/en15114001 - 29 May 2022
Viewed by 1229
Abstract
Ventilation design of the scattering room and sample room in the Chinese Spallation Neutron Source (CSNS) is of great significance to maintain good indoor air quality and ensure the health of radiation workers. Based on the computational fluid dynamics (CFD) theory, the three-dimensional [...] Read more.
Ventilation design of the scattering room and sample room in the Chinese Spallation Neutron Source (CSNS) is of great significance to maintain good indoor air quality and ensure the health of radiation workers. Based on the computational fluid dynamics (CFD) theory, the three-dimensional models of the scattering and sample rooms were established and fourteen layout schemes were simulated. Subsequently, the best schemes were selected among three typical layout schemes. On this basis, the paper presents research about the influence of changing the height of the outlet on the ventilation quality. The results show that the trend of numerical simulation is consistent with experimental data, which verifies the reliability of the numerical method. The change of the exhaust port position has an apparent influence on indoor ventilation, which reduces the air age by 4–27%. When the position of the outlet descends 0.5 m, the air age decreases by 2–11%, and this study provides guidance and suggestions for the design of the scattering and sample rooms. Full article
(This article belongs to the Special Issue Advanced Thermal Analysis and Management Technology)
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15 pages, 5823 KiB  
Article
Study on Convective Heat Transfer Characteristics of Supercritical Liquid Hydrogen in a U-Type Tube inside a Moderator
by Weida Fu, Yiping Lu, Fei Shen, Longwei Mei, Songlin Wang, Youlian Lu, Lingbo Zhu, Shinian Fu and Jianfei Tong
Energies 2022, 15(10), 3605; https://0-doi-org.brum.beds.ac.uk/10.3390/en15103605 - 14 May 2022
Viewed by 1372
Abstract
The flow and heat transfer characteristics of supercritical fluid in a U-tube have an important influence on the safe operation of a moderator, and the variation of gravity direction is suitable for special working conditions of the moderator. In this study, the three-dimensional [...] Read more.
The flow and heat transfer characteristics of supercritical fluid in a U-tube have an important influence on the safe operation of a moderator, and the variation of gravity direction is suitable for special working conditions of the moderator. In this study, the three-dimensional turbulence flow and heat transfers of supercritical liquid hydrogen in a U-tube were investigated at an Re number ranging from 16,425 to 54,750 under constant heat flux (q = 80 kW/m2). The total length of the U-tube was 1725 mm, which had an entrance length L/D of 23, with the inner diameter and wall thickness of D × δ = 10 × 2 mm. The finite volume method was adopted, and the grid independence was verified by the grid convergence index (GCI). The calculation results of three turbulence models (SST k-w, RNG k-ε, Standard k-ε) were compared with the corresponding experimental data to obtain the turbulence model with the smallest error. The convective heat transfer characteristics with different values of heat flux (q = 30 kW/m2~100 kW/m2), mass flow (G = 3 g/s~10 g/s), and gravity (gx, gy, gz) were compared. Meanwhile, the heat transfer characteristics of supercritical liquid and conventional liquid hydrogen were compared. The results show that Nu increased from 5 g/s to 10 g/s by 56.6%, and mass flow rate had a greater impact on the variation of Nu; when gravity direction was consistent with the flow direction of liquid hydrogen (gx direction), the Nu number inside the channel was 4.21% and 5.56% higher than that in gy and gz direction, respectively. Supercritical liquid hydrogen has a stronger heat transfer ability than conventional liquid hydrogen, of which the Nu number is 16.7% higher. This study can provide useful guidance for the design of flow and heat transfer of supercritical liquid hydrogen in a U-tube and its application in moderators. Furthermore, it provides reference technical values for thermal safety and thermal management of the target station to ensure its safe and stable operation. Full article
(This article belongs to the Special Issue Advanced Thermal Analysis and Management Technology)
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15 pages, 4426 KiB  
Article
Optical Model of Thermal Radiation Loading System for Turbine Vane Leading Edge
by Xian-long Meng, Cun-liang Liu and Pu Zhang
Energies 2021, 14(24), 8543; https://0-doi-org.brum.beds.ac.uk/10.3390/en14248543 - 17 Dec 2021
Viewed by 1858
Abstract
With the increase of combustion temperatures, the thermal radiation effect for hot components in the new generation of aero-engines has become a key factor in the combustion process, cooling structure design, and thermal protection. A radiation loading system can be used as an [...] Read more.
With the increase of combustion temperatures, the thermal radiation effect for hot components in the new generation of aero-engines has become a key factor in the combustion process, cooling structure design, and thermal protection. A radiation loading system can be used as an external heat source to simulate the real thermal environment of hot components in aero-engines. Total receiving power, as well as 3-D heat flux distribution, should better coincide with real conditions. With the aid of freeform optics and the feedback optimization method, the current study develops a concentrating-type radiation heating system fit for the leading-edge surface of a C3X turbine vane. A xenon lamp combined with a freeform reflector was optimized for controllable heat flux. A design method in the area of illumination engineering was innovatively extended for the current model. Considering the effect of polar angular radiative flux distribution of a xenon lamp, a Monte Carlo ray tracing (MCRT) method was adopted to evaluate the optical performance. Feedback modifications based on Bayesian theory were adopted to obtain the optimal shape of the FFS for target heat flux. The current study seeks a feasible way to generate 3-D heat flux distribution for complex curved surfaces, such as turbine vane surfaces, and helps to simulate the real thermal environment of hot components in aero-engines. Full article
(This article belongs to the Special Issue Advanced Thermal Analysis and Management Technology)
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13 pages, 1525 KiB  
Article
A Boosted Particle Swarm Method for Energy Efficiency Optimization of PRO Systems
by Yingxue Chen and Linfeng Gou
Energies 2021, 14(22), 7688; https://0-doi-org.brum.beds.ac.uk/10.3390/en14227688 - 17 Nov 2021
Cited by 2 | Viewed by 928
Abstract
The analytical solutions of complex dynamic PRO systems pose challenges to ensuring that maximum power can be harvested in stable, rapid, and efficient ways in response to varying operational environments. In this paper, a boosted particle swarm optimization (BPSO) method with enhanced essential [...] Read more.
The analytical solutions of complex dynamic PRO systems pose challenges to ensuring that maximum power can be harvested in stable, rapid, and efficient ways in response to varying operational environments. In this paper, a boosted particle swarm optimization (BPSO) method with enhanced essential coefficients is proposed to enhance the exploration and exploitation stages in the optimization process. Moreover, several state-of-the-art techniques are utilized to evaluate the proposed BPSO of scaled-up PRO systems. The competitive results revealed that the proposed method improves power density by up to 88.9% in comparison with other algorithms, proving its ability to provide superior performance with complex and computationally intensive derivative problems. The analysis and comparison of the popular and recent metaheuristic methods in this study could provide a reference for the targeted selection method for different applications. Full article
(This article belongs to the Special Issue Advanced Thermal Analysis and Management Technology)
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