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Advances in High-Efficiency Energy Conversion Systems

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "I: Energy Fundamentals and Conversion".

Deadline for manuscript submissions: closed (10 December 2023) | Viewed by 2719

Special Issue Editors


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Guest Editor
Department of Energy, Faculty of Marine Engineering, Maritime University of Szczecin, Willowa 2 Str., 71-650 Szczecin, Poland
Interests: dual-/multi-fuel engines; operational tests of the energy and exergy efficiency of internal combustion engines; energy conversion; operational tests of the reliability of the propulsion systems of means of transport; operational tests of internal combustion engines with alternative fuels
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Guest Editor
Department of Marine Power Plants, Faculty of Marine Engineering, Maritime University of Szczecin, Willowa 2 Str., 71-650 Szczecin, Poland
Interests: energy conversion; waste heat utilization; marine energetic systems construction; operational tests of marine energetic systems; energy efficiency indicators; hybrid energy systems

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Guest Editor
Department of Automotive Engineering and Transport, Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, 25-314 Kielce, Poland
Interests: transportation; technical diagnostics; vehicle safety; accidents; biomechanics of collisions mechanics of motion
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Energy conversion is the exchange of one kind of energy for another. According to the principle of conservation of energy, the total energy of an isolated system remains constant. Individual energy components included in the total energy can change their value, but the system itself always retains the same amount of energy. In energy and power equipment, there are usually several stages of energy conversion. All energy processes use energy conversion, usually multistage, to produce the required form of usable energy (usually electrical, thermal, kinetic, potential, mechanical and other). Energy conversion should be as efficient as possible (for ecological, economic and social reasons).

This Special Issue aims to introduce and present energy conversion systems with high efficiency and the issues related to the use and operation of these systems.

Potential submission subjects include, among others, such topics as:

  • new or improved methods of increasing the efficiency or flexibility of energy generation;
  • the use of waste heat, low-temperature heat and other forms of dissipated energy, including the use of noise and vibration energy;
  • optimization of energy production and use through modern control and monitoring systems—energy management systems;
  • the use of new forms or methods of energy conversion (e.g. energy harvesting);
  • increase of the use of energy efficient drives to reduce the energy intensity of industry;
  • gasification of solid fuels to maximize energy efficiency combined with the elimination or reduction of methane (CH4) and carbon dioxide (CO2) emissions;
  • the combination of natural biodegradation with biogas recovery;
  • substitution of technologies for the use of natural gas as a fossil fuel in favour of agricultural and landfill biogas from sewage treatment plants, pyrolytic gas and from coal and lignite gasification;
  • biomass thermal processing based on the capture of chemical carbon in the form of charcoal or biochar, combined with the production of energy based on volatile parts without the use or minimized use of elemental carbon (BECCS—energy with a negative CO2 balance);
  • new technologies for electricity generation (including in combination) using fuel cells (for mobile or stationary applications);
  • the construction of new hybrid systems using fuel cells;
  • new or improved fuel cells;
  • use of energy storage systems in distributed hybrid systems (including, among others, batteries, kinetic storage systems such as flywheels, batteries with internal storage, pumped-storage hydroelectric power plants);
  • the use of excess energy for the production of carriers enabling the storage of alternative fuels (including, among others, hydrogen and synthetic methane);
  • new or improved energy storage technologies.

Prof. Dr. Zbigniew Matuszak
Prof. Dr. Cezary Behrendt
Prof. Dr. Marek Jaśkiewicz
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

  • energy conversion
  • energy storage
  • biomass processing
  • fuel cells
  • energy-saving drives
  • energy harvesting

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Published Papers (2 papers)

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Research

18 pages, 7465 KiB  
Article
Energy Optimization of Marine Drive Systems with Permanent Magnet Synchronous Motors
by Dariusz Tarnapowicz, Tymoteusz Zaleski, Zbigniew Matuszak and Marek Jaskiewicz
Energies 2024, 17(1), 31; https://doi.org/10.3390/en17010031 - 20 Dec 2023
Cited by 1 | Viewed by 1093
Abstract
The International Maritime Organization are introducing more and more stringent requirements concerning increasing ships’ energy efficiency. They are becoming a huge challenge for design engineers. This article proposes a method to increase the energy efficiency of mechatronic drive systems in ship systems via [...] Read more.
The International Maritime Organization are introducing more and more stringent requirements concerning increasing ships’ energy efficiency. They are becoming a huge challenge for design engineers. This article proposes a method to increase the energy efficiency of mechatronic drive systems in ship systems via the use of highly efficient electric permanent magnet synchronous motors (PMSMs). An innovative control strategy is suggested. It is based on the modification of the classic PMSM control and ensuring energy optimization through a reduction in reactive power in the Active Converter–PMSM system. Analytical and simulation studies using the Matlab–Simulink program are presented. They confirm the possibility of reducing reactive power in a PMSM drive system. A verification of the results of analytical and simulation examinations was conducted at a laboratory station with the use of the Speedgoat module operating in the Rapid Control Prototyping mode. Both the simulation and experimental research results indicate the effectiveness of the proposed PMSM control method. This method has good prospects for application in energy-saving marine drive systems. Full article
(This article belongs to the Special Issue Advances in High-Efficiency Energy Conversion Systems)
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24 pages, 5633 KiB  
Article
An Innovative and Environmentally Friendly System for Moving and Stabilising a Floating Dock in Position during Docking Operations
by Tadeusz Szelangiewicz, Katarzyna Żelazny and Szymon Sobków
Energies 2023, 16(23), 7854; https://doi.org/10.3390/en16237854 - 30 Nov 2023
Cited by 2 | Viewed by 941
Abstract
The study is aimed at designing a system which ensures dock mobility (moving from the quay to the dock trench) and stabilises the dock in position during docking operations. A number of requirements and design criteria have been defined for the dock moving [...] Read more.
The study is aimed at designing a system which ensures dock mobility (moving from the quay to the dock trench) and stabilises the dock in position during docking operations. A number of requirements and design criteria have been defined for the dock moving system, the most important of them being its capability to support docking operations at a maximum wind force of 5 °B, and environmental friendliness (zero exhaust fumes or other pollutants). As part of the research, concepts for various dock moving systems have been developed, including calculations of technical and operational parameters. Each concept has been analysed for meeting the defined requirements and design criteria. Ultimately, a system which meets all of the requirements and criteria and is completely environmentally friendly has been selected for construction. The authors discuss the entire process of creating system concepts, parameter calculations, and assessment of fulfilment of the requirements and design criteria. The principle of operation and the design of the system have been explained. The dock is powered by electricity stored in batteries and generated from renewable energy sources. Full article
(This article belongs to the Special Issue Advances in High-Efficiency Energy Conversion Systems)
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