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Advanced Technologies in Marine Renewable Energy

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A3: Wind, Wave and Tidal Energy".

Deadline for manuscript submissions: 30 July 2026 | Viewed by 946

Special Issue Editor


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Guest Editor
College of Engineering, Ocean University of China, Qingdao 266400, China
Interests: the development and utilization of marine renewable energy

Special Issue Information

Dear Colleagues,​

Amid global energy transition and carbon neutrality, marine renewable energy—including offshore wind, wave, tidal current, tidal, ocean thermal, salinity gradient, and solar energy—plays a key role in upgrading energy structures. Yet complex marine conditions like strong winds, waves, currents, and geological challenges hinder large-scale development, demanding tech innovations for efficient, safe utilization.​

Efficient development requires boosting energy conversion via optimized capture and power systems. Safe utilization hinges on enhancing equipment stability in extreme conditions through design upgrades and dynamic regulation. Joint development of multiple marine energies also offers new prospects for supply stability and economy.​

This Special Issue features cutting-edge advances in marine renewable energy, covering single/multi-energy systems' research, design, modelling, and optimization.​

Topics of interest for publication include, but are not limited to, the following:

  • Offshore wind energy development and utilization​;
  • Research and development of high-efficiency conversion technologies and devices for wave, tidal current, and tidal energy​;
  • Utilization and integration of ocean thermal and salinity gradient energy​;
  • Marine solar energy and its synergistic utilization with other energies​;
  • Structural innovation, modelling, reliability, materials, and environmental impact regulation of marine energy equipment.

Prof. Dr. Tongshun Yu
Guest Editor

Manuscript Submission Information

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Keywords

  • offshore wind energy
  • wave energy
  • tidal current energy
  • tidal energy
  • ocean thermal energy
  • salinity gradient energy
  • solar energy

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Published Papers (1 paper)

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Research

25 pages, 9970 KB  
Article
Hydrodynamic Characteristic Around the Riprap Protection of Monopile Wind Power Foundation with Scour Pit During Scour
by Tongshun Yu, Li Wang, Congbao Mei and Xiaofeng Dong
Energies 2025, 18(21), 5792; https://doi.org/10.3390/en18215792 - 3 Nov 2025
Viewed by 636
Abstract
Riprap protection is widely used in offshore wind power foundations. The boundary of riprap will change and affect the hydrodynamics around the foundation during scour. In this study, the experiment was conducted to obtain the topographic data of the riprap failure process. Then, [...] Read more.
Riprap protection is widely used in offshore wind power foundations. The boundary of riprap will change and affect the hydrodynamics around the foundation during scour. In this study, the experiment was conducted to obtain the topographic data of the riprap failure process. Then, a numerical model of current-pile-riprap-seabed interaction was set using the data to explore the hydrodynamic characteristics around the monopile during the process of stone moving under the action of current. The numerical model is verified through theory and test data. The results show that compared with an unprotected foundation, the maximum flow velocity and range of horseshoe vortex around the monopile with intact riprap will increase, while pressure around the monopile will decrease. During the process of scour, the riprap will sink and be scoured, resulting in increased water cross-section and a velocity decrease of 9.32% to 17.05%. In the process of riprap damage, the height of the diving flow increases, and the horseshoe vortex continuously decreases. The wake vortex near the surface remains stable during the process, while the wake vortex near bed gradually shrinks and disappears. Meanwhile, the pressure around the monopile increases, with maximum pressure increasing by 3.38 times. Full article
(This article belongs to the Special Issue Advanced Technologies in Marine Renewable Energy)
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