Ocean Energy Harvesting System

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: closed (31 March 2020) | Viewed by 5674

Special Issue Editor


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Guest Editor
Department of Marine Environment and Engineering, National Sun Yat-sen University, Kaohsiung 804, Taiwan
Interests: ocean engineering; ocean renewable energy; offshore wind farm
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Special Issue Information

Dear Colleagues,

Despite strong growth in energy demand, most of the energy currently available is still mainly from nonrenewable resources such as coal, natural gas, oil, and nuclear energy. Burning fossil fuels is harmful to the environment, fossil fuel supplies are limited, and prices fluctuate. Renewable resources such as wind, solar, and ocean energy have enormous potential because they are indigenous, nonpolluting, and inexhaustible. The technology for capturing wind and solar energy is very mature, and the development of capturing ocean wave energy such as waves, tides, and currents is still under headwind. The development of marine energy harvesting technology, however, is the most important challenge, since it may become another important energy supply in the future.

The purpose of this Special Issue is to publish exciting research in support of the development of an ocean energy harvesting system and to provide a rapid turn-around time regarding reviewing and publishing, disseminating articles freely for research, teaching, and reference purposes.

High-quality papers directly related to the following topics in support of novel system designs and techniques for performance enhancement with respect to levelized cost of energy (LCOE) are encouraged:

  • Tidal and ocean current harvesting devices;
  • Wave energy harvesting devices;
  • Hybrid wave and ocean current harvesting systems;
  • Deep water mooring concepts;
  • Floating structure mooring concepts for shallow and deep waters;
  • Cost-reducing fixed or floating platform structures.

Prof. Dr. Bang-Fuh Chen
Guest Editor

Manuscript Submission Information

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Keywords

  • Renewable energy
  • Wave energy
  • Tidal and current energy
  • Ocean energy harvesting system
  • Mooring system
  • Anchoring system
  • Floating supporting structure

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Published Papers (1 paper)

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Research

19 pages, 7056 KiB  
Article
A New Solution for Sea Wave Energy Harvesting, the Proposal of an Ironless Linear Generator
by Domenico Curto, Alessia Viola, Vincenzo Franzitta, Marco Trapanese and Fabio Cardona
J. Mar. Sci. Eng. 2020, 8(2), 93; https://doi.org/10.3390/jmse8020093 - 3 Feb 2020
Cited by 27 | Viewed by 5114
Abstract
The paper investigates an innovative ironless linear generator, installable inside a wave energy converter, in order to produce electricity from sea waves. This energy source is considered strategic for the future, especially in small islands; however, this technology is still far from the [...] Read more.
The paper investigates an innovative ironless linear generator, installable inside a wave energy converter, in order to produce electricity from sea waves. This energy source is considered strategic for the future, especially in small islands; however, this technology is still far from the commercial phase. Considering the wave energy potential of the Mediterranean Sea, a first prototype of the electrical linear generator was realized at the Department of Engineering of Palermo University. This machine can be run by a two-floating buoys system, able to produce a linear vertical motion. The main goal of this paper is the investigation of the advantages and the disadvantages of the utilization of steel materials to realize the stator of linear generators. Thus, starting from the prototype, the authors analyzed the effects produced by the replacement of steel in the stator with a non-magnetic material. For comparison, the authors evaluated the amplitude of no-load voltages, using a three-phase connection scheme, and the amplitude of the magnetic force produced by the interaction of magnets with the stator. Both aspects were evaluated through numerical simulations and mathematical models. Full article
(This article belongs to the Special Issue Ocean Energy Harvesting System)
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