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Selected Papers from the 4th Asian Wave and Tidal Energy...
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Selected Papers from the 4th Asian Wave and Tidal Energy Conference

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 (15 May 2019) | Viewed by 9566

Special Issue Editors

Prof. Dr. Jiahn-Horng Chen

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Guest Editor
Systems Engineering and Naval Architecture, National Taiwan Ocean University, 2 Pei-Ning Road, Keelung 202, Taiwan
Interests: wave energy; ocean current energy; marine energy test site; computational fluid dynamics
Prof. Dr. Chia-Ming Fan

E-Mail Website
Guest Editor
Department of Harbor and River Engineering & Computation and Simulation Center, National Taiwan Ocean University, Keelung 20224, Taiwan
Interests: fluid mechanics; modeling and simulation; computational fluid dynamics; numerical simulation
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Pai-Chen Guan

E-Mail Website
Guest Editor
Systems Engineering and Naval Architecture, National Taiwan Ocean University, 2 Pei-Ning Road, Keelung 202, Taiwan
Interests: wave energy; numerical method; structural mechanics; fluid-structure interaction; meshfree method; contact problems; blast and penetration problems
Prof. Dr. Wei-Chu Weng

E-Mail
Guest Editor
Systems Engineering and Naval Architecture, National Taiwan Ocean University, 2 Pei-Ning Road, Keelung 202, Taiwan
Interests: combinatorial optimization; irregular cutting stock problem; shipbuilding; production automation; neural network

Special Issue Information

The AWTEC conference was first held in Jejiu, Korea, in 2012. Then it was held in Tokyo and Singapore every two years. Very quickly, this conference series became the most reputable event on ocean energy in Asia. The event is a platform for engineers, researchers, and experts to keep abreast of the current state-of-the-art advancements in ocean energy in a broad sense, ranging from wave energy, tidal energy, ocean thermal energy, ocean current energy, to offshore wind energy. It encompasses technical, environmental, and economic issues. With high-quality papers and presentations, it promotes marine energy advancement in an interdisciplinary spectrum.

AWTEC 2018 will cooperate with Journal of Marine Science and Engineering (JMSE), an open access journal, to prepare a Special Issue for papers presented at the conference. Prospective authors are cordially invited to submit their high-quality papers from AWTEC 2018 to be considered for publication in the journal.

Prof. Dr. Jiahn-Horng Chen
Prof. Dr. Chia-Ming Fan
Prof. Dr. Pai-Chen Guan
Prof. Dr. Wei-Chu Weng
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. 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

  • Marine energy
  • Marine energy device development
  • Marine energy device hydrodynamics
  • Marine energy structural mechanics
  • Power take-off and device control
  • Offshore wind
  • OTEC systems
  • Environmental impact and appraisal
  • Science supporting the success of the marine energy industry

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

21 pages, 1154 KiB  
Article
Design of a Horizontal Axis Tidal Turbine for Less Energetic Current Velocity Profiles
by Job Immanuel Encarnacion, Cameron Johnstone and Stephanie Ordonez-Sanchez
J. Mar. Sci. Eng. 2019, 7(7), 197; https://doi.org/10.3390/jmse7070197 - 27 Jun 2019
Cited by 31 | Viewed by 6225
Abstract
Existing installations of tidal-stream turbines are undertaken in energetic sites with flow speeds greater than 2 m/s. Sites with lower velocities will produce far less power and may not be as economically viable when using “conventional” tidal turbine designs. However, designing turbines for [...] Read more.
Existing installations of tidal-stream turbines are undertaken in energetic sites with flow speeds greater than 2 m/s. Sites with lower velocities will produce far less power and may not be as economically viable when using “conventional” tidal turbine designs. However, designing turbines for these less energetic conditions may improve the global viability of tidal technology. Lower hydrodynamic loads are expected, allowing for cost reduction through downsizing and using cheaper materials. This work presents a design methodology for low-solidity high tip-speed ratio turbines aimed to operate at less energetic flows with velocities less than 1.5 m/s. Turbines operating under representative real-site conditions in Mexico and the Philippines are evaluated using a quasi-unsteady blade element momentum method. Blade geometry alterations are undertaken using a scaling factor applied to chord and twist distributions. A parametric filtering and multi-objective decision model is used to select the optimum design among the generated blade variations. It was found that the low-solidity high tip-speed ratio blades lead to a slight power drop of less than 8.5% when compared to the “conventional” blade geometries. Nonetheless, an increase in rotational speed, reaching a tip-speed ratio (TSR) of 7.75, combined with huge reduction in the torque requirement of as much as 30% paves the way for reduced costs from generator downsizing and simplified power take-off mechanisms. Full article
(This article belongs to the Special Issue Selected Papers from the 4th Asian Wave and Tidal Energy Conference)
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10 pages, 1212 KiB  
Article
A Novel Segmented Structure and Control Method for a Permanent-Magnet Linear Generator to Broaden the Range of Efficient Energy Capture
by Shuheng Qiu and Haifeng Wang
J. Mar. Sci. Eng. 2019, 7(4), 101; https://doi.org/10.3390/jmse7040101 - 12 Apr 2019
Cited by 3 | Viewed by 2748
Abstract
Wave energy, a high-quality renewable energy, is abundant in reserves and relatively stable. However, the wave energy power of the same sea area varies greatly in different seasons. The traditional linear generator cannot work efficiently in such a wide power range. This paper [...] Read more.
Wave energy, a high-quality renewable energy, is abundant in reserves and relatively stable. However, the wave energy power of the same sea area varies greatly in different seasons. The traditional linear generator cannot work efficiently in such a wide power range. This paper presents a segmented permanent-magnet linear generator structure, which is especially designed for the wave energy converter. This type of linear generator can match the wave energy power by increasing or decreasing the specific primary unit, making the generator more efficient over a wider range of wave power than the traditional type. This paper verifies the correctness by finite element analysis. Full article
(This article belongs to the Special Issue Selected Papers from the 4th Asian Wave and Tidal Energy Conference)
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