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Development and Utilization of Marine Renewable Energy for Sustainability
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Development and Utilization of Marine Renewable Energy for Sustainability

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Engineering and Science".

Deadline for manuscript submissions: 28 August 2024 | Viewed by 2793

Special Issue Editors

Dr. Zhen-Zhong Hu

E-Mail Website
Guest Editor
Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
Interests: civil and marine engineering; digital twin; marine energy; digital disaster prevention and mitigation
Special Issues, Collections and Topics in MDPI journals
Dr. Sunwei Li

E-Mail Website
Guest Editor
Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
Interests: innovative design of floating wind turbine; utilization of multi-sources of ocean renewable energy; typhoon hazard assessment for onshore and offshore structures
Dr. Yichao Liu

E-Mail Website
Guest Editor
1. TNO, 2628 Delft, The Netherlands
2. Delft Center for Systems and Control, Delft University of Technology, 2628 Delft, The Netherlands
Interests: wind turbine control and optimization; reliability analysis and hybrid power plant modelling
Special Issues, Collections and Topics in MDPI journals
Dr. Rajasekhar V. Pulikollu

E-Mail Website
Guest Editor
Electric Power Research Institute (EPRI), Charlotte, NC 28262, USA
Interests: renewable energy; offshore and onshore wind energy; reliability; wind turbine performance and health monitoring; optimum operations and maintenance (O&M) model

Special Issue Information

Dear Colleagues,

Currently, the energies used by human beings are mainly petroleum, natural gas, coal and other fossil fuels. These fuels are non-renewable, and their extensive use has also brought serious environmental problems, which have attracted great attention from all countries in the world. With the impact of the global energy crisis, as well as the needs for both environmental protection and the sustainable development of a community with a shared future for mankind, from the perspective of a long-term energy development strategy and a carbon-free future, to develop and utilize renewable energy has become inevitable.

Ocean energy is a clean, pollution-free and abundant renewable energy. It plays a key role to support the development of the sustainable economy and society. Although it gradually becomes a common view for the exploitation of ocean renewable energy, the technical challenges brought about by reducing the overall cost associated with the utilization of ocean renewable energy are still a major concern for both academic scholars and their industrial partners. In order to exchange new ideas in developing and utilizing ocean renewable energy, this Special Issue in Sustainability is proposed. Articles covering the following topics are warmly welcome in this Special Issue:

  • Innovative approach to assess the potentials of ocean renewable energy, and the discussion on the possibility of exploitation;
  • Innovative design of devices for the exploitation of ocean renewable energy;
  • Advanced technologies for developing and utilizing new marine energy sources, such as wind energy, wave energy and tidal energy, etc.;
  • Reviews for the current status and future developments for the utilization of ocean renewable energy;
  • Other studies concerning the utilization of ocean renewable energy.

Dr. Zhen-Zhong Hu
Dr. Sunwei Li
Dr. Yichao Liu
Dr. Rajasekhar V. Pulikollu
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. Sustainability 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 2400 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

  • sustainable development
  • ocean
  • sea
  • offshore
  • wind energy
  • wave energy
  • tidal energy
  • tidal current energy
  • salinity difference energy
  • temperature difference energy
  • resource assessment
  • carbon neutralization
  • renewable energy
  • ocean digital twin
  • disaster prevention

Published Papers (3 papers)

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Research

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17 pages, 2559 KiB  
Article
The Probability of Ship Collision during the Fully Submerged Towing Process of Floating Offshore Wind Turbines
by Yihong Li, Longxiang Liu, Sunwei Li and Zhen-Zhong Hu
Sustainability 2024, 16(4), 1705; https://doi.org/10.3390/su16041705 - 19 Feb 2024
Viewed by 741
Abstract
As global warming intensifies, the development of offshore wind farms is swiftly progressing, especially deep-water Floating Offshore Wind Turbines (FOWTs) capable of energy capture in deep-sea regions, which have emerged as a focal point of both academic and industrial interest. Although numerous researchers [...] Read more.
As global warming intensifies, the development of offshore wind farms is swiftly progressing, especially deep-water Floating Offshore Wind Turbines (FOWTs) capable of energy capture in deep-sea regions, which have emerged as a focal point of both academic and industrial interest. Although numerous researchers have conducted comprehensive and multifaceted studies on various components of wind turbines, less attention has been paid to the operational stage responses of FOWTs to wind, waves, and currents and the reliability of their structural components. This study primarily employs a theoretical analysis to establish mathematical models under a series of reasonable assumptions, examining the possibility of collisions between FOWT transport fleets and other vessels in the passage area during the towing process. Using the model, this paper takes the Wanning Floating Offshore Wind Farm (FOWF) project, which is scheduled to be deployed in the South China Sea, as its research object and calculates the probability of collisions between FOWTs and other vessels in three months from the pier near Wanning, Hainan, to a predetermined position 22 km away. The findings of the analysis indicate that the mathematical model developed in this study integrates the quantities and velocities of navigational vessels within the target maritime area as well as the speeds, routes, and schedules of the FOWT transport fleet. By employing statistical techniques and geometric calculations, the model can determine the frequency of collisions between various types of vessels and the FOWT transport fleet during the transportation period. This has substantial relevance for future risk assessments and disaster prevention and mitigation measures in the context of FOWT transportation. Full article
(This article belongs to the Special Issue Development and Utilization of Marine Renewable Energy for Sustainability)
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25 pages, 8423 KiB  
Article
A Novel Semi-Spar Floating Wind Turbine Platform Applied for Intermediate Water Depth
by Qingqing Cai, Daoyi Chen, Ni Yang and Wei Li
Sustainability 2024, 16(4), 1663; https://doi.org/10.3390/su16041663 - 17 Feb 2024
Viewed by 833
Abstract
For the exploitation of offshore wind resources in areas with intermediate water depths, a novel semi-spar floating foundation is introduced to combine the superiority of the conventional semisubmersible and spar-type floater. It consists of an upper floater and a hanging weight, which are [...] Read more.
For the exploitation of offshore wind resources in areas with intermediate water depths, a novel semi-spar floating foundation is introduced to combine the superiority of the conventional semisubmersible and spar-type floater. It consists of an upper floater and a hanging weight, which are connected through 12 suspension ropes. Such a floating foundation can be wet-towed as a semisubmersible floater, which features a large waterplane moment of inertia to increase stability and reduce transportation costs. After being anchored on site, it behaves as a spar floater with moderate draft and superior hydrodynamic characteristics. The stability of the proposed semi-spar platform during wet towage is analyzed. Afterward, a fully coupled aero-hydro-servo-elastic simulation is conducted to evaluate its hydrodynamic responses in comparison with the responses of the well-acknowledged OC3-spar and OC4-semisubmersible platforms. Then, the ultimate strength of the mooring lines and suspension ropes under extreme conditions was numerically investigated, as well as the relationship between the ropes’ tension and wave direction. Eventually, a cost-effectiveness analysis is conducted in terms of power generation and steel mass. The results demonstrate that the proposed semi-spar design meets the safety criteria in transportation and exhibits a smaller response in surge and pitch motions. In addition, the ultimate strength of mooring lines and suspension ropes satisfies the safety requirements, and simulation reveals that the lateral suspension ropes parallel to the propagation direction are sensitive to the environmental conditions of winds and waves. This study confirms that the newly proposed floating wind turbine exhibits excellent hydrodynamic and power generation performance, which is of great significance for the sustainability of the energy and electricity industry. Full article
(This article belongs to the Special Issue Development and Utilization of Marine Renewable Energy for Sustainability)
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Review

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19 pages, 2407 KiB  
Review
A Short Review on the Time-Domain Numerical Simulations for Structural Responses in Horizontal-Axis Offshore Wind Turbines
by Yang Ni, Bin Peng, Jiayao Wang, Farshad Golnary and Wei Li
Sustainability 2023, 15(24), 16878; https://doi.org/10.3390/su152416878 - 15 Dec 2023
Cited by 1 | Viewed by 752
Abstract
In addition to a carbon-neutral vision being recognized worldwide, the utilization of wind energies via horizontal-axis wind turbines, especially in offshore areas, has been intensively investigated from an academic perspective. Numerical simulations play a significant role in the design and optimization of offshore [...] Read more.
In addition to a carbon-neutral vision being recognized worldwide, the utilization of wind energies via horizontal-axis wind turbines, especially in offshore areas, has been intensively investigated from an academic perspective. Numerical simulations play a significant role in the design and optimization of offshore wind turbines. The current review focuses on studies concerning the numerical simulations of offshore wind turbine dynamics, including the modelling of the aerodynamic and hydrodynamic conditions of the environment and the reduced-order modelling of the wind turbine dynamic responses. In detail, the functions and mechanisms of each module in the numerical simulation of the wind turbine dynamics are articulated, which in turn demonstrates its importance for the design of offshore wind turbines, and hence the development of the offshore wind industry. Based on this review, it is argued that the vertical variations in wind velocities, the blade element momentum theory, the wave dynamic models, and the reduced-order model for structural dynamics are the major concerns for the numerical simulation of wind turbines. Consequently, such directions should be emphasized in future studies. Full article
(This article belongs to the Special Issue Development and Utilization of Marine Renewable Energy for Sustainability)
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