Special Issue "Renewable Energies and Ocean Technologies: Challenges to the Green and Blue Economy"

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Ocean Engineering".

Deadline for manuscript submissions: 31 December 2021.

Special Issue Editors

Dr. José A.F.O. Correia
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Guest Editor
CONSTRUCT & INEGI, Department of Civil Engineering, University of Porto, Porto, Portugal
Interests: numerical modeling of engineering structures and structural components (offshore applications, steel bridges, pressure vessels, pipelines, wind turbine towers, etc.); mathematical problems in fatigue and fracture; mechanics of solids and structures; metals materials and structures; numerical fracture mechanics and crack growth; local approaches; finite element methods in structural mechanics applications; computer-aided structural integrity
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Prof. Shun-Peng Zhu
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Guest Editor
Center for System Reliability and Safety, University of Electronic Science and Technology of China, Chengdu 611731, China
Interests: fatigue design; probabilistic physics of failure; structural reliability; multi-physics damage modeling and life prediction under uncertainty; probability-based life prediction/design
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Dr. Nicholas Fantuzzi
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Guest Editor
Department of Civil, Chemical, Environmental, and Materials Engineering, University of Bologna, Bologna, Italy
Interests: modeling of offshore structures and offshore structural components; structural theories of plates and applied mathematical modeling; mechanics of solids and structures; study of composite laminated structures and advanced composite materials; fracture mechanics and crack propagation and initiation; applied numerical methods such as finite element method and mesh-free element method
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Dr. Yuming Liu
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Guest Editor
Massachusetts Institute of Technology (MIT), Cambridge, USA
Interests: design and analysis of ships and marine structures; prediction of ocean environments; hydrodynamics of multiphase flow in pipes; vortical flow dynamics; application of fluid dynamics to music instrument design
Prof. Dr. Lance Manuel
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Guest Editor
Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, USA
Interests: reliability of offshore structures; offshore renewable energy; floating platforms; uncertainty quantification.
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Special Issue Information

Dear Colleagues,

The earth is composed mostly of oceans, which are the least explored resources on our planet. The European Council predicts that by 2050, 50% of our electricity needs will come from marine renewable energy systems.

With the threat of global warming and climate change, there is an urgent need to harness alternative energy sources free of carbon dioxide pollution and not derived from fossil fuels; wind energy, wave energy, and green hydrogen offer proven and economic alternatives.

To limit fracking, exploiting tar sands for oil and gas, and other environmentally harmful fossil fuel mining, we need other renewable forms of energy to become cheaper and more convenient to use than fossil fuels. Of all the renewable forms of energy (wind, solar, geothermal, hydroelectric, and green hydrogen), wind and solar have shown very positive growth due to significant economic and technological advancements.

This Special Issue will be a discussion of new research concepts, equipment, technology, materials and structures, and other scientific advances within the field of power generation and transmission, estuarine, coastal, offshore, and deepwater engineering with particular reference to developments, exploration, installation, application, and utilization of offshore resources.

This Special Issue also covers topics related to research, design, and construction of wind engineering and renewable energy, computational mechanics and design optimization, instrumentation and testing, structural integrity and life extension of structures, wind and wave dynamics, sedimentation, structural/stress analysis, soil mechanics, material research, and economic, environmental, and legal aspects.

The Guest Editors of this Special Issue on renewable energies and ocean technologies hope to include contributions from engineers, metallurgists, and scientists, among others, allowing for a multidisciplinary discussion.

Dr. José A.F.O. Correia
Prof. Shun-Peng Zhu
Dr. Nicholas Fantuzzi
Dr. Yuming Liu
Prof. Dr. Lance Manuel
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 papers will be 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. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly 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 1800 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

  • Wind engineering, renewable energy, and green hydrogen
  • Advanced computational methods
  • Computational mechanics and design optimization
  • Structural integrity and life extension
  • Applications and case studies
  • Offshore structural systems
  • Fixed and floating marine systems
  • Submarines and robotics systems
  • Cables, pipelines, and risers
  • Turbomachinery
  • Power and energy systems
  • Logistic technologies
  • Oil and gas technologies
  • Underwater technology
  • Waste management
  • Environmental protections
  • Economic, environmental, and legal policies

Published Papers (2 papers)

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Research

Open AccessArticle
Study on Reactive Power Compensation Strategies for Long Distance Submarine Cables Considering Electrothermal Coordination
J. Mar. Sci. Eng. 2021, 9(1), 90; https://doi.org/10.3390/jmse9010090 - 15 Jan 2021
Abstract
Long-distance high voltage alternating current (AC) submarine cables are widely used to connect offshore wind farms and land power grids. However, the transmission capacity of the submarine cable is limited by the capacitive charging current. This paper analyzes the impacts of reactive power [...] Read more.
Long-distance high voltage alternating current (AC) submarine cables are widely used to connect offshore wind farms and land power grids. However, the transmission capacity of the submarine cable is limited by the capacitive charging current. This paper analyzes the impacts of reactive power compensation in different positions on the current distribution on long-distance submarine cable transmission lines, and tests the rationality of the existing reactive power compensation schemes based on electrothermal coordination (ETC). Research shows that compensation at the sending end has obvious impacts on current distribution along the cable, and the maximum current occurs at the sending or receiving end. Moreover, the reactive power compensation at sending end will reduce the current at receiving end of the line. On the contrary, it will increase the current at sending end. Compared with the directly buried laying method of the submarine cable in the landing section, the cable trench laying method can increase the cable ampacity of the landing section and reduce the reactive power compensation capacity at the sending end. The ampacity is the current representation of the thermal limits of the cable. ETC exploits the cable ampacity to coordinate current distribution on transmission lines under existing reactive power compensation schemes, thus optimizing the reactive power compensation schemes and avoiding the bottleneck point of cable ampacity. Full article
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Open AccessArticle
Static and Dynamic Reliability Analysis of Laterally Loaded Pile Using Probability Density Function Method
J. Mar. Sci. Eng. 2020, 8(12), 994; https://doi.org/10.3390/jmse8120994 - 05 Dec 2020
Abstract
Pile foundation is one of the common foundation forms in marine geotechnical engineering, especially in wind power engineering. Its operation safety is seriously affected by many uncertainties, such as the randomness of ground motion in intensity and frequency. The stochastic reliability analysis method [...] Read more.
Pile foundation is one of the common foundation forms in marine geotechnical engineering, especially in wind power engineering. Its operation safety is seriously affected by many uncertainties, such as the randomness of ground motion in intensity and frequency. The stochastic reliability analysis method can better characterize these uncertainties in the evaluation of the safety performance of pile foundation. The probability density functions (PDFs) of stochastic systems are important prerequisites for reliability analysis. However, for geotechnical problems, the coupling between parametric and excitation randomness and the nonlinear mechanical properties of rock and soil make it very difficult to obtain the associated PDFs. Instead, the probability density evolution method (PDEM) is introduced and is used to investigate the static and dynamic reliability of laterally loaded piles as an example of a geotechnical problem. Compared with Monte Carlo stochastic simulations, PDEM-based computing is shown to be highly efficient when applied to the seismic design of pile in geotechnical engineering, and its calculation efficiency is 20 times of the former for the seismic dynamic reliability of pile foundation. This study provides a new reference for the efficient design and safety evaluation of offshore pile foundation engineering based on static and dynamic reliability of multiple random factors. Full article
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