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Special Issue "Wave Energy Technologies: A Sustainable Energy Source"

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Engineering and Science".

Deadline for manuscript submissions: closed (30 September 2017)

Special Issue Editor

Guest Editor
Prof. Dr. Yucheng Liu
Highly Cited - Clarivate Analytics (formerly Thomson Reuters)

Department of Mechanical Engineering, Mississippi State University, Mississippi State, MS 39760, USA
Website | E-Mail
Phone: 1+(662)325-1536
Interests: wave energy technology; multiscale modeling and simulation; high strain rate performance; vehicle system design and analysis

Special Issue Information

Dear Colleagues,

This Special Issue will cover all topics related to development and application of wave energy technologies, which include but are not limited to: Design of wave energy converters, wave climate analysis, evaluation of potential location for imploring wave technology, experimental, theoretical and computational analysis of wave energy conversion systems, etc.

As concerns rising fossil fuel prices, energy security, climate change, and environmental pollution, sustainable energy can play a key role in producing local, clean, and inexhaustible energy to supply global growing demands for electricity. Among common renewable energy sources, the waves generated in gulfs and oceans reflect a huge body of untapped sustainable energy source, which have a large amount of energy potential that can be transformed into electricity. Currently, wave energy has led to promising technologies and commercial deployments.

This Special Issue attempts to present the newest and novel developments in the areas of wave energy technology, from which an international forum of scientific and technical achievements in design and assessment of wave energy conversion systems and other sustainable energy branches will be established.

Prof. Dr. Yucheng Liu
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 papers will be 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 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 1400 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

  • wave energy technology
  • wave energy converters
  • wave climate analysis
  • evaluation of potential location for imploring wave technology

Published Papers (2 papers)

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Research

Open AccessArticle Voltage Impact of a Wave Energy Converter on an Unbalanced Distribution Grid and Corrective Actions
Sustainability 2017, 9(10), 1844; doi:10.3390/su9101844
Received: 6 September 2017 / Revised: 2 October 2017 / Accepted: 9 October 2017 / Published: 13 October 2017
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Abstract
Renewable energy is steadily increasing its penetration level in electric power systems. Wind and solar energy have reached a high degree of maturity, and their impacts on the grid are well known. However, this is not the case for emerging sources like wave
[...] Read more.
Renewable energy is steadily increasing its penetration level in electric power systems. Wind and solar energy have reached a high degree of maturity, and their impacts on the grid are well known. However, this is not the case for emerging sources like wave energy. This work explores the impact of the fluctuating power injected by a wave energy converter on the distribution grid voltage and proposes a strategy for mitigating the induced voltage fluctuations. The paper describes the mechanics of how a fluctuating active power injection leads to grid voltage fluctuations and presents an unbalanced three-phase power flow tool that allows one to quantitatively analyze the voltage evolution at every phase and bus of a distribution grid driven by this power injection. The paper also proposes a corrective action for mitigating the voltage fluctuations that makes use of the hardware resources already available in the wave energy converter, by means of a control strategy on the reactive capability of the grid-side inverter. The use of a STATCOM as additional reactive compensation equipment is also explored. The effectiveness of the proposal is assessed in the IEEE 13-bus test feeder showing that, in some cases, the wave energy converter by itself is able to mitigate the voltage fluctuations that it causes. If not, a STATCOM can provide the extra reactive capability needed. Full article
(This article belongs to the Special Issue Wave Energy Technologies: A Sustainable Energy Source)
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Open AccessArticle Numerical Simulation of a Dual-Chamber Oscillating Water Column Wave Energy Converter
Sustainability 2017, 9(9), 1599; doi:10.3390/su9091599
Received: 16 August 2017 / Revised: 2 September 2017 / Accepted: 5 September 2017 / Published: 7 September 2017
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Abstract
The performance of a dual-chamber Oscillating Water Column (OWC) Wave Energy Converter (WEC) is considered in the present study. The device has two sub-chambers with a shared orifice. A two-dimensional (2D) fully nonlinear numerical wave flume based on the potential-flow theory and the
[...] Read more.
The performance of a dual-chamber Oscillating Water Column (OWC) Wave Energy Converter (WEC) is considered in the present study. The device has two sub-chambers with a shared orifice. A two-dimensional (2D) fully nonlinear numerical wave flume based on the potential-flow theory and the time-domain higher-order boundary element method (HOBEM) is applied for the simulation. The incident waves are generated by using the immerged sources and the air-fluid coupling influence is considered with a simplified pneumatic model. In the present study, the variation of the surface elevation and the water column volume in the two sub-chambers are investigated. The effects of the chamber geometry (i.e., the draft and breadth of two chambers) on the surface elevation and the air pressure in the chamber are investigated, respectively. It is demonstrated that the surface elevations in the two sub-chambers are strongly dependent on the wave conditions. The larger the wavelength, the more synchronous motion of the two water columns in the two sub-chambers, thus, the lager the variation of the water column volume. Full article
(This article belongs to the Special Issue Wave Energy Technologies: A Sustainable Energy Source)
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