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Innovative Technologies for Sustainable Offshore Renewable Energy

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: 6 June 2025 | Viewed by 2477

Special Issue Editors


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Guest Editor
School of Mechanical Engineering, Zhejiang University, Hangzhou 310058, China
Interests: marine current energy; wind energy; hydrogen powered by renewable energy

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Guest Editor
Ocean Academy, Zhejiang University, Zhoushan, China
Interests: marine current energy

Special Issue Information

Dear Colleagues,

Offshore renewable energy is thought to be a potential field for sustainable development. In recent years, offshore wind turbine energy, ocean energy and renewable energy-powered hydrogen storage have attracted more and more attention all over the world. With some prototypes and commercial devices being demonstrated and deployed, more problems occur and more novel methods are put forward and studied. This Special Issue aims to highlight the latest achievements and promote the sustainable development of renewable energy, including offshore wind energy, marine current energy, wave energy, etc.

We would like to invite submissions of research and review articles that utilize innovative technologies, new methodologies and innovative ideas to address the goals of a sustainable future using renewable energy. In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  1. Offshore wind energy;
  2. Marine current energy;
  3. Tidal energy;
  4. Wave energy;
  5. Ocean thermal energy;
  6. Salinity energy;
  7. Hydrogen or desalination by renewable energy;
  8. Offshore hybrid power system.

Dr. Hongwei Liu
Dr. Yajing Gu
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

  • renewable energy
  • offshore wind energy
  • ocean energy
  • energy storage
  • hydrogen

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Published Papers (2 papers)

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Research

24 pages, 10349 KiB  
Article
Simulation of a Tidal Current-Powered Freshwater and Energy Supply System for Sustainable Island Development
by Yajing Gu, He Ren, Hongwei Liu, Yonggang Lin, Weifei Hu, Tian Zou, Liyuan Zhang and Luoyang Huang
Sustainability 2024, 16(20), 8792; https://doi.org/10.3390/su16208792 - 11 Oct 2024
Viewed by 1157
Abstract
Sustainable development of islands cannot be achieved without the use of renewable energy to address energy and freshwater supply issues. Utilizing the widely distributed tidal current energy in island regions can enhance local energy and water supply security. To achieve economic and operational [...] Read more.
Sustainable development of islands cannot be achieved without the use of renewable energy to address energy and freshwater supply issues. Utilizing the widely distributed tidal current energy in island regions can enhance local energy and water supply security. To achieve economic and operational efficiency, it is crucial to fully account for the unique periodicity and intermittency of tidal current energy. In this study, a tidal current-powered freshwater and energy supply system is proposed. The marine current turbine adopts a direct-drive configuration and will be able to directly transfer the power of the turbine rotation to the seawater pump to improve the energy efficiency. Additionally, the system incorporates batteries for short-term energy storage, aimed at increasing the capacity factor of the electrolyzer. A simulation is conducted using measured inflow velocity data from a full 12 h tidal cycle. The results show that the turbine’s average power coefficient reaches 0.434, the electrolyzer’s average energy efficiency is 60.9%, the capacity factor is 70.1%, and the desalination system’s average specific energy consumption is 6.175 kWh/m3. The feasibility of the system design has been validated. Full article
(This article belongs to the Special Issue Innovative Technologies for Sustainable Offshore Renewable Energy)
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14 pages, 1653 KiB  
Article
A Hierarchical Analysis Method for Evaluating the Risk Factors of Pile Foundation Construction for Offshore Wind Power
by Qiang Zhang, Hui Huang, Hao Xu, Zhenming Li, Xinjiao Tian, Shuhao Fang, Jing Wang, Changan Xie and Dingding Yang
Sustainability 2024, 16(18), 7906; https://doi.org/10.3390/su16187906 - 10 Sep 2024
Cited by 1 | Viewed by 1040
Abstract
To improve the safety level of pile foundation construction for offshore wind power, in this study, the risk indicators of pile foundation construction were evaluated using the analytic hierarchy process (AHP) and comprehensive evaluation methods. The pile foundation construction operation process for offshore [...] Read more.
To improve the safety level of pile foundation construction for offshore wind power, in this study, the risk indicators of pile foundation construction were evaluated using the analytic hierarchy process (AHP) and comprehensive evaluation methods. The pile foundation construction operation process for offshore wind power mainly includes four phases: preparation for construction, pile sinking, end of construction, and foundation scour protection construction. Pile foundation construction risk indicators are systematically identified as human factors, material factors, management factors, and environmental factors. The most important indicators for pile foundation construction for offshore wind power were evaluated using AHP and comprehensive evaluation methods, which included five indicators: piling equipment, protective equipment, special skills, safety awareness, and emergency management. The four more important indicators are workplace environment, lifting equipment, fire protection systems, and operations. According to the results of our evaluation of the pile foundation construction safety indicators presented herein, corresponding recommendations are made that consider four aspects—human factors, material factors, management factors, and environmental factors. The construction industry should focus on improving the safety measures related to aspects with greater risk indicators. Pile foundation construction for offshore wind power can be evaluated using the method discussed in this paper, allowing industry stakeholders to prioritize and focus on improving safety measures related to aspects with greater risk indicators. Full article
(This article belongs to the Special Issue Innovative Technologies for Sustainable Offshore Renewable Energy)
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