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Advanced Solutions for the Storage and Efficient Utilization of Waste...
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Advanced Solutions for the Storage and Efficient Utilization of Waste Heat

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

Deadline for manuscript submissions: closed (10 June 2025) | Viewed by 2415

Special Issue Editor

Dr. Yinsheng Yu

E-Mail Website
Guest Editor
School of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou, China
Interests: solar photovoltaic utilization and phase change energy storage; multiphase transport and interfacial reaction mechanism; clean and efficient utilization of industrial waste heat

Special Issue Information

Dear Colleagues,

The severe energy crisis and ecological pollution worldwide have had adverse effects on the sustainable development of countries globally, posing a serious threat to the long-term prosperity of humanity. These challenges are mainly attributed to the enormous energy consumption and pollutant emissions in industrial production and operation. Fortunately, in the current severe energy and environmental situation, many countries around the world have begun to promote low-carbon and energy-saving energy transformations, especially the emergence of advanced waste heat storage and recycling methods, which have brought unprecedented opportunities and challenges for industrial energy conservation and low-carbon development. In various industries, storing and utilizing waste heat is considered an effective method to overcome system intermittency, improve system economic efficiency, save energy, and reduce emissions. However, due to differences in waste energy levels and industries, the potential for waste heat recovery and storage methods also varies. The thermal performance, economic benefits, and environmental benefits of waste heat recovery systems also need to be discussed in depth.

This Special Issue aims to introduce and disseminate the latest developments related to the theory, design, modeling, and application of advanced waste heat storage and recovery technologies.

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

  1. Advanced waste heat storage technology and its application;
  2. Advanced waste heat utilization methods and applications;
  3. Optimization methods for waste heat recovery systems;
  4. Modeling methods for waste heat recovery systems;
  5. Thermal economics of waste heat recovery systems.

Dr. Yinsheng Yu
Guest Editor

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

  • waste heat utilization
  • thermal storage technology
  • energy efficiency analysis
  • system modeling
  • optimal design

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Published Papers (3 papers)

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Research

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17 pages, 2057 KiB  
Article
An Analytical Study on the Correlations Between Natural Gas Pipeline Network Scheduling Decisions and External Environmental Factors
by Changhao Wang, Bohong Wang, Ning Jia, Wen Zhao, Ning Xu and Bosen Wang
Energies 2025, 18(13), 3274; https://doi.org/10.3390/en18133274 - 23 Jun 2025
Viewed by 233
Abstract
A pipeline network is an important transportation mode of natural gas, and different external factors will affect the development of natural gas scheduling plans to different degrees. However, the specific correlation between each external environmental factor and pipeline network scheduling decision is not [...] Read more.
A pipeline network is an important transportation mode of natural gas, and different external factors will affect the development of natural gas scheduling plans to different degrees. However, the specific correlation between each external environmental factor and pipeline network scheduling decision is not clear at this stage. This paper developed a hybrid method with Pearson’s correlation coefficient and Spearman’s correlation coefficient to study the correlations between climate temperature, total gas supply, economic conditions, other energy consumption and natural gas pipeline scheduling plans. The results showed that the correlation between natural gas pipeline output and climate temperature is good, presenting a significance level of 5% and below; in contrast, the correlations with economic conditions and other factors are less significant but still reach a significance level of 10%. Meanwhile, taking energy consumption as the object of study, it was found that the correlation between natural gas consumption and electric energy, crude oil and crude coal is good, showing a significance level of 5% and below. Among them, there is a significant positive correlation between natural gas consumption and electric energy consumption, and between natural gas consumption and crude oil consumption, which reveals the synergistic effects within the energy system. Full article
(This article belongs to the Special Issue Advanced Solutions for the Storage and Efficient Utilization of Waste Heat)
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22 pages, 4794 KiB  
Article
Optimization of Hydrogen Production System Performance Using Photovoltaic/Thermal-Coupled PEM
by Guorong Li, Chen Song, Guang Han, Zihao Chen and Jiwei Huang
Energies 2024, 17(21), 5405; https://doi.org/10.3390/en17215405 - 30 Oct 2024
Cited by 5 | Viewed by 1630
Abstract
A proton exchange membrane electrolyzer can effectively utilize the electricity generated by intermittent solar power. Different methods of generating electricity may have different efficiencies and hydrogen production rates. Two coupled systems, namely, PV/T- and CPV/T-coupling PEMEC, respectively, are presented and compared in this [...] Read more.
A proton exchange membrane electrolyzer can effectively utilize the electricity generated by intermittent solar power. Different methods of generating electricity may have different efficiencies and hydrogen production rates. Two coupled systems, namely, PV/T- and CPV/T-coupling PEMEC, respectively, are presented and compared in this study. A maximum power point tracking algorithm for the photovoltaic system is employed, and simulations are conducted based on the solar irradiation intensity and ambient temperature of a specific location on a particular day. The simulation results indicate that the hydrogen production is relatively high between 11:00 and 16:00, with a peak between 12:00 and 13:00. The maximum hydrogen production rate is 99.11 g/s and 29.02 g/s for the CPV/T-PEM and PV/T-PEM systems. The maximum energy efficiency of hydrogen production in CPV/T-PEM and PV/T-PEM systems is 66.7% and 70.6%. Under conditions of high solar irradiation intensity and ambient temperature, the system demonstrates higher total efficiency and greater hydrogen production. The CPV/T-PEM system achieves a maximum hydrogen production rate of 2240.41 kg/d, with a standard coal saving rate of 15.5 tons/day and a CO2 reduction rate of 38.0 tons/day. Compared to the PV/T-PEM system, the CPV/T-PEM system exhibits a higher hydrogen production rate. These findings provide valuable insights into the engineering application of photovoltaic/thermal-coupled hydrogen production technology and contribute to the advancement of this field. Full article
(This article belongs to the Special Issue Advanced Solutions for the Storage and Efficient Utilization of Waste Heat)
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Review

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36 pages, 1777 KiB  
Review
Review of Challenges in Heat Exchanger Network Development for Electrified Industrial Energy Systems
by Stanislav Boldyryev, Oleksandr S. Ivashchuk, Goran Krajačić and Volodymyr M. Atamanyuk
Energies 2025, 18(14), 3685; https://doi.org/10.3390/en18143685 (registering DOI) - 12 Jul 2025
Abstract
Shifting towards electrified industrial energy systems is pivotal for meeting global decarbonization objectives, especially since process heat is a significant contributor to greenhouse gas emissions in the industrial sector. This review examines the changing role of heat exchanger networks (HENs) within electrified process [...] Read more.
Shifting towards electrified industrial energy systems is pivotal for meeting global decarbonization objectives, especially since process heat is a significant contributor to greenhouse gas emissions in the industrial sector. This review examines the changing role of heat exchanger networks (HENs) within electrified process industries, where electricity-driven technologies, including electric heaters, steam boilers, heat pumps, mechanical vapour recompression, and organic Rankine cycles, are increasingly supplanting traditional fossil-fuel-based utilities. The analysis identifies key challenges associated with multi-utility integration, multi-pinch configurations, and low-grade heat utilisation that influence HEN design, retrofitting, and optimisation efforts. A comparative evaluation of various methodological frameworks, including mathematical programming, insights-based methods, and hybrid approaches, is presented, highlighting their relevance to the specific constraints and opportunities of electrified systems. Case studies from the chemicals, food processing, and cement sectors demonstrate the practicality and advantages of employing electrified heat exchanger networks (HENs), particularly in terms of energy efficiency, emissions reduction, and enhanced operational flexibility. The review concludes that effective strategies for the design of HENs are crucial in industrial electrification, facilitating increases in efficiency, reductions in emissions, and improvements in economic feasibility, especially when they are integrated with renewable energy sources and advanced control systems. Future initiatives must focus on harmonising technical advances with system-level resilience and economic sustainability considerations. Full article
(This article belongs to the Special Issue Advanced Solutions for the Storage and Efficient Utilization of Waste Heat)
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