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Intelligent Energy Technical Studies about Automobiles, New Energy Vehicles and Key Systems in the Energy Field

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F5: Artificial Intelligence and Smart Energy".

Deadline for manuscript submissions: 30 July 2025 | Viewed by 1644

Special Issue Editors

Prof. Dr. Mingzhang Pan

E-Mail Website
Guest Editor
School of Mechanical Engineering, Guangxi University, Nanning 530004, China
Interests: intelligent control direction; artificial intelligence; intelligent energy; new energy vehicle technology
Special Issues, Collections and Topics in MDPI journals
Dr. Shiqing Huang

E-Mail Website
Guest Editor
College of Packaging Engineering, School of Mechanics and Construction Engineering, Jinan University, Zhuhai 519070, China
Interests: intelligence micro/nano-mechanics and biomimetic mechanics; micronano-film mechanics; intelligence multi-scale mechanics of composite materials and structures; safety risk assessment of nuclear power equipment; intelligent packaging system
Dr. Xiaohuan Zhao

E-Mail Website
Guest Editor
Energy and Electricity Research Center, International Energy College, Zhuhai Campus, Jinan University, Zhuhai 519070, China
Interests: thermal process intelligence detection; simulation and optimization; efficient heat-transfer and energy-saving intelligence technology; cooperative optimization of heat flow of new-energy-powered battery systems; emission pollution and control for powered machinery; new-energy-powered machinery and engineering; low-polluting combustion-based powered machinery
Special Issues, Collections and Topics in MDPI journals
Dr. Wenhua Zhang

E-Mail Website
Guest Editor
School of Mechanics and Construction Engineering, Jinan University, Guangzhou 510632, China
Interests: piezoelectric film/coating; parameter measurement of coating; piezoelectric film tactile sensor; piezoelectric film vibration; design of piezoelectric acoustic devices; precise characterization of electro-mechanical coupling of piezoelectric thin-film devices

Special Issue Information

Dear Colleagues,

Intelligent energy systems and technical studies are crucial for modern industry. The applications of intelligent energy have been expanded not only in the traditional energy sectors but also in new areas of smart grids, renewable energy integration, electric transport systems, intelligent buildings, environmental monitoring and automated industrial processes. This has led to significant advancements in technologies, design solutions, analytical tools and management strategies for current intelligent energy systems characterized by high efficiency, low energy consumption, enhanced safety and superior environmental adaptability. Furthermore, the critical role of intelligent energy technologies in various applications has encouraged research into system optimization and risk management, leading to the development of more efficient operational technologies and more resilient systems.

This Special Issue will present and disseminate the latest advances related to the theory, design, application, optimization and management of all types of intelligent energy systems. Topics of interest include, but are not limited to, the following:

  • Intelligent energy technical studies about automobiles, new energy vehicles and key systems;
  • Various smart grid technologies, renewable energy integration systems and electric transport systems;
  • Intelligent energy solutions for future urban and industrial applications;
  • Energy systems for safety-critical applications;
  • Novel applications of intelligent energy systems;
  • Diversified energy systems and management;
  • Systemic energy solutions;
  • High-resilience energy systems;
  • Real-time and predictive system-monitoring techniques;
  • Efficient energy-optimizing design methods;
  • Advanced system modeling approaches;
  • Thermal efficiency, acoustics and vibration analyses of energy systems.

Prof. Dr. Mingzhang Pan
Dr. Shiqing Huang
Dr. Xiaohuan Zhao
Dr. Wenhua Zhang
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

  • intelligent energy technical studies
  • smart grid technologies and electric transport systems
  • renewable energy integration systems
  • intelligent energy solutions for future industrial applications
  • energy systems for safety-critical applications
  • novel applications of intelligent energy systems
  • diversified energy systems and management
  • systemic energy solutions
  • high-resilience energy systems
  • real-time and predictive system monitoring techniques
  • efficient energy-optimizing design methods
  • advanced system modeling approaches
  • analyses of energy systems

Benefits of Publishing in a Special Issue

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  • 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.
  • e-Book format: Special Issues with more than 10 articles can be published as dedicated e-books, ensuring wide and rapid dissemination.

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

Published Papers (2 papers)

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Research

16 pages, 2927 KiB  
Article
Energy and Economic Analysis of a New Combination Cascade Waste Heat Recovery System of a Waste-to-Energy Plant
by Jialu Ling and Xinjian Chen
Energies 2024, 17(20), 5196; https://doi.org/10.3390/en17205196 - 18 Oct 2024
Viewed by 712
Abstract
Waste incineration has become the main treatment method for urban household waste, and it can produce a large amount of electricity. The efficiency of waste incineration plants is reduced due to the large amount of waste heat carried away by the flue gas. [...] Read more.
Waste incineration has become the main treatment method for urban household waste, and it can produce a large amount of electricity. The efficiency of waste incineration plants is reduced due to the large amount of waste heat carried away by the flue gas. Recycling and utilizing the waste heat from flue gas are important in improving the economic benefits of waste incineration, which is necessary for energy conservation and emission reduction. Based on the principle of cascade waste heat recovery from waste incineration flue gas whilst considering system safety and efficiency, this study proposed a new combination cascade waste heat recovery system consisting of a Rankine cycle, an organic Rankine cycle and a heat pump cycle. Thermodynamic and economic analyses of the combined system were conducted in detail. The results indicated that the energy efficiency of the combined system could reach up to 73%. The maximum net present value of the system was million USD 1.59 million, and the dynamic investment payback period was about 6.5 years. The isentropic efficiency of the combined system’s pumps and turbines had a significant impact on the system’s performance. A higher isentropic efficiency resulted in better system performance. The exergy analysis showed that the evaporator of the heat pump system had the highest irreversible loss. Full article
(This article belongs to the Special Issue Intelligent Energy Technical Studies about Automobiles, New Energy Vehicles and Key Systems in the Energy Field)
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Figure 1

Figure 1
<p>The composition of the cascade heat recovery system.</p> Full article ">Figure 2
<p>The effect of evaporation pressure of HE1: (<b>a</b>) power of T1 and mass flow of RC; (<b>b</b>) energy efficiency and NPV.</p> Full article ">Figure 3
<p>The effect of evaporation temperature of HE4: (<b>a</b>) power of W<sub>C</sub> and mass flow of HP; (<b>b</b>) cost of compressor and NPV.</p> Full article ">Figure 4
<p>The effect of T20: (<b>a</b>) exergy destruction of HE5 and cost of all components; (<b>b</b>) NPV curve.</p> Full article ">Figure 5
<p>The effect of HE2 condensation temperature: (<b>a</b>) power of WT2 and mass flow of ORC; (<b>b</b>) energy efficiency and NPV.</p> Full article ">Figure 6
<p>The effect of isentropic efficiency of pump: (<b>a</b>) power of P1 and P2 and energy efficiency; (<b>b</b>) cost of all components and NPV.</p> Full article ">Figure 7
<p>The effect of isentropic efficiency of turbines: (<b>a</b>) power of T<sub>1</sub> and T<sub>2</sub> and energy efficiency; (<b>b</b>) cost of all components and NPV.</p> Full article ">Figure 7 Cont.
<p>The effect of isentropic efficiency of turbines: (<b>a</b>) power of T<sub>1</sub> and T<sub>2</sub> and energy efficiency; (<b>b</b>) cost of all components and NPV.</p> Full article ">Figure 8
<p>Exergy analysis results.</p> Full article ">
21 pages, 6291 KiB  
Article
Premixed Combustion Characteristics of Hydrogen/Air in a Micro-Cylindrical Combustor with Double Ribs
by Yi Ma, Wenhua Yuan, Shaomin Zhao and Hongru Fang
Energies 2024, 17(20), 5165; https://doi.org/10.3390/en17205165 - 17 Oct 2024
Viewed by 688
Abstract
Hydrogen is a promising zero-carbon fuel, and its application in the micro-combustor can promote carbon reduction. The structural design of micro-combustors is crucial for combustion characteristics and thermal performance improvement. This study investigates the premixed combustion characteristics of hydrogen/air in a micro-cylindrical combustor [...] Read more.
Hydrogen is a promising zero-carbon fuel, and its application in the micro-combustor can promote carbon reduction. The structural design of micro-combustors is crucial for combustion characteristics and thermal performance improvement. This study investigates the premixed combustion characteristics of hydrogen/air in a micro-cylindrical combustor with double ribs, using an orthogonal design method to assess the impact of various geometric parameters on thermal performance. The results indicate that the impact of rib height, rib position, and inclined angle is greater than rib width and their interactions, while their influence decreases in that order. Increased rib height improves mean wall temperature and exergy efficiency due to an expanded recirculation region and increased flame–wall contact, but negatively affects temperature uniformity and combustion efficiency. Although double ribs enhance performance, placing them too close may reduce heat transfer due to the low-temperature region between the ribs. When the double ribs are positioned at the axial third equinoxes of the micro-combustor, the highest mean wall temperature is achieved. Meanwhile, with a rib height of 0.3 and an inclined angle of 45°, the micro-combustor achieves optimal thermal performance, with the mean wall temperature increasing by 61.32 K. Full article
(This article belongs to the Special Issue Intelligent Energy Technical Studies about Automobiles, New Energy Vehicles and Key Systems in the Energy Field)
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Figure 1

Figure 1
<p>Schematic diagram of the micro-cylindrical combustor with double ribs.</p> Full article ">Figure 2
<p>Grid-independent study for five mesh systems.</p> Full article ">Figure 3
<p>Comparison between present simulation results with reported simulation and experimental results.</p> Full article ">Figure 4
<p>Mean wall temperature and its nonuniformity coefficient at various <span class="html-italic">r</span> values: (<b>a</b>) Mean wall temperature at various <span class="html-italic">r</span> values; (<b>b</b>) Nonuniformity coefficient of mean wall temperature at various <span class="html-italic">r</span> values.</p> Full article ">Figure 5
<p>Outer wall temperature distribution at various <span class="html-italic">r</span> values.</p> Full article ">Figure 6
<p>Distribution of temperature inside the micro-combustor and at the symmetry plane under various <span class="html-italic">r</span> values at the double-rib positions of 3/9 and 5/9.</p> Full article ">Figure 7
<p>Outlet mass fraction of H<sub>2</sub> at various <span class="html-italic">r</span> values.</p> Full article ">Figure 8
<p>Exergy efficiency at various <span class="html-italic">r</span> values.</p> Full article ">Figure 9
<p>Mean wall temperature increase and its nonuniformity coefficient decrease compared with Case0 at various <span class="html-italic">l</span><sub>1</sub> and <span class="html-italic">l</span><sub>2</sub> values: (<b>a</b>) Mean wall temperature increase compared with Case0 at various <span class="html-italic">l</span><sub>1</sub> and <span class="html-italic">l</span><sub>2</sub> values; (<b>b</b>) Nonuniformity coefficient of mean wall temperature decrease compared with Case0 at various <span class="html-italic">l</span><sub>1</sub> and <span class="html-italic">l</span><sub>2</sub> values.</p> Full article ">Figure 10
<p>Mean wall temperature and outer wall temperature distribution under various distances between double ribs at the first rib position of <span class="html-italic">l</span><sub>1</sub> = 3/9 for (<b>a</b>,<b>c</b>) and <span class="html-italic">l</span><sub>1</sub> = 4/9 for (<b>b</b>,<b>d</b>).</p> Full article ">Figure 11
<p>Mean wall temperature under various distances between double ribs at <span class="html-italic">l</span><sub>1</sub> = 3/9, <span class="html-italic">r</span> = 0.2, 0.3, and 0.4.</p> Full article ">Figure 12
<p>Mass fraction increase of H<sub>2</sub> at the outlet compared with Case 0 under various <span class="html-italic">l</span><sub>1</sub> and <span class="html-italic">l</span><sub>2</sub> values.</p> Full article ">Figure 13
<p>(<b>a</b>) Exergy efficiency increases and (<b>b</b>) outlet enthalpy decreases compared with Case 0 at various <span class="html-italic">l</span><sub>1</sub> and <span class="html-italic">l</span><sub>2</sub> values.</p> Full article ">Figure 14
<p>Mean wall temperature and its nonuniformity coefficient at various <span class="html-italic">α</span> values: (<b>a</b>) Mean wall temperature at various <span class="html-italic">α</span> values; (<b>b</b>) Nonuniformity coefficient of mean wall temperature at various <span class="html-italic">α</span> values.</p> Full article ">Figure 15
<p>Comparison of the temperature distribution at various <span class="html-italic">α</span> values at the rib height <span class="html-italic">r</span> = 0.3 (The low-temperature region distribution with different rib angles was marked by the red box).</p> Full article ">Figure 16
<p>Outlet mass fraction of H<sub>2</sub> at various <span class="html-italic">α</span> values.</p> Full article ">Figure 17
<p>Exergy efficiency at various <span class="html-italic">α</span> values.</p> Full article ">
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