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JMSE
Special Issues
Marine Wind and Other Ocean Energy Key Technologies
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Marine Wind and Other Ocean Energy Key Technologies

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

Deadline for manuscript submissions: closed (20 September 2022) | Viewed by 1944

Special Issue Editor

Dr. Narasimalu Srikanth

E-Mail Website
Guest Editor
Programme Director & Principal Senior Scientist, Renewables and Low Carbon Generation Team, Energy Research Institute @ Nanyang Technological University, Singapore 637141, Singapore
Interests: wind and marine renewables; hydrogen energy storage; wind, tidal and wave energy forecasting; ocean dynamics studies; machine learning; artificial intelligence; energy management systems; marine ecology studies

Special Issue Information

Dear Colleagues,

The aim of this Special Issue is to present recent advances in the field of marine wind and ocean energy key technologies. A good knowledge of key technologies of wind and ocean energy is of major importance for the design, development, and deployment of offshore renewables to support the sustainability goals of nations and blue economy initiatives. In this aspect, studies related to either fundamental or applied research are welcome in this Special Issue, including case studies, laboratory-based studies, field deployment, and testing, covering the key technologies in resource mapping, device development, and farm designs related to marine wind, tidal, wave, OTEC, salinity gradient, and other complimentary technologies aiming at clean energy development. Topics of interest for this issue include but are not limited to the following areas:

  • Renewable resource assessment;
  • Site-device matching;
  • Device modularization;
  • Device efficiency improvement designs and methods;
  • Low-speed specific turbines;
  • Hybrid renewable energy systems;
  • Disaster resilient variants and remote grids;
  • New energy storage methods, including novel batteries and hydrogen integration;
  • Novel moorings and foundations;
  • Renewable resource characterization methods and tools;
  • Floating hybrid renewable systems;
  • Novel deployment, maintenance, and decommissioning strategies;
  • Health monitoring technologies.

Dr. Narasimalu Srikanth
Guest Editor

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. 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 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

  • wind and ocean energy system
  • floating and seabed-based clean energy system
  • site-based farm optimization
  • new energy carrier/storage
  • hybridization of energy systems
  • control system strategies
  • turbine efficiency improvement
  • condition-based asset health monitoring
  • resource assessment
  • technoeconomics of ocean energy systems

Published Papers (1 paper)

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Research

19 pages, 6143 KiB  
Article
Numerical Experiments on Hydrodynamic Performance and the Wake of a Self-Starting Vertical Axis Tidal Turbine Array
by Lining Zhu, Erhu Hou, Qingwei Zhou and He Wu
J. Mar. Sci. Eng. 2022, 10(10), 1361; https://doi.org/10.3390/jmse10101361 - 23 Sep 2022
Cited by 1 | Viewed by 1375
Abstract
In this paper, based on the CFD software ANSYS-Fluent, two-dimensional numerical models are established to investigate the hydrodynamic performance of a self-starting H-Darrius vertical axis tidal turbine (VATT) array of three turbines in a triangular layout with 3D in axial and radial [...] Read more.
In this paper, based on the CFD software ANSYS-Fluent, two-dimensional numerical models are established to investigate the hydrodynamic performance of a self-starting H-Darrius vertical axis tidal turbine (VATT) array of three turbines in a triangular layout with 3D in axial and radial distance. Three main aspects are explored in this study: (1) the self-starting performance, power coefficient, flow fields, and blade force of the double-row VATT array, which are compared with a stand-alone turbine, (2) the wake development of the front and rear displacement turbines, and (3) the feasibility of the double-row self-starting VATT array in practical applications. It is found that the power coefficients of the three turbines in the array all improved compared with that of the stand-alone turbine, and as the load increased, the difference between the averaged power coefficient of the array and a stand-alone turbine was more obvious, with a maximum difference of 3%. The main effects of the front turbines on the rear turbine are energy utilization and turbine vibration. Due to the beam effect between the front turbines, the incident flow rate of the rear turbine increased to approximately 1.2 times the free flow rate. However, the greater rotational fluctuations of the rear turbine mean that although it had a higher power factor, it was more susceptible to fatigue damage. The wake of the rear turbine in the array had a much larger area of influence on both the length and width, but the velocity deficit recovered more quickly to over 95% at a distance of 10D behind it. The rate of wake velocity recovery is load-dependent for a stand-alone self-starting turbine, but this was not evident in the arrays. The positive torque of the turbine is mainly generated when the blade rotates through an azimuth angle from 45° to 160° and mainly benefits from the inner side of the blade. For the double-row three-turbine array, the axial and radial spacing of 3D is reasonable in practical applications. Full article
(This article belongs to the Special Issue Marine Wind and Other Ocean Energy Key Technologies)
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