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Energies
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Wave Energy: Theory, Methods, and Applications
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Wave Energy: Theory, Methods, and Applications

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: 4 September 2024 | Viewed by 3044

Special Issue Editors

Prof. Dr. Umesh A. Korde

E-Mail Website
Guest Editor
Department of Environmental Health and Engineering, Johns Hopkins University, Baltimore, MD 21205, USA
Interests: waves; wave energy; hydrodynamics; climate
Prof. Dr. Michael E. McCormick

E-Mail Website
Guest Editor
Department of Naval Architecture & Ocean Engineering, United States Naval Academy, Annapolis, MD 21402, USA
Interests: wave energy conversion; desalination; costal engineering

Special Issue Information

Dear Colleagues,

Interest in utilizing ocean waves for energy has now grown to a point where the field needs no introduction. As long-time researchers in wave energy, we are interested in helping to keep the field vibrant, exciting, and ultimately beneficial to the global community at large.

We welcome all wave energy researchers, early-stage and established, to consider this Special Issue as a vehicle for your new ideas and want to encourage you to submit work that you feel excited about. We are particularly interested in papers that describe new energy conversion principles, new hydrodynamic insights, new analysis techniques, and new applications. Papers describing experiences from at-sea testing are also welcome. 

If you have an idea for a paper and are not sure whether it would meet the criteria for this collection, please send us a brief (~150 words) abstract, and we would be happy to provide feedback.

Prof. Dr. Umesh A. Korde
Prof. Dr. Michael E. McCormick
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. Energies is an international peer-reviewed open access semimonthly 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

  • wave energy
  • energy conversion principles
  • hydrodynamics
  • theory
  • applications
  • at-sea testing

Published Papers (2 papers)

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Research

24 pages, 7957 KiB  
Article
Techno-Economic Assessment of a Hybrid Offshore Wind–Wave Farm: Case Study in Norway
by Jaan Rönkkö, Ali Khosravi and Sanna Syri
Energies 2023, 16(11), 4316; https://doi.org/10.3390/en16114316 - 25 May 2023
Cited by 2 | Viewed by 1631
Abstract
Recent years have seen the development of cutting-edge technology, such as offshore wind turbines and wave energy converters. It has previously been investigated whether integrating offshore wind turbines with wave energy converters is feasible. Diversifying the sources of offshore renewable energy also lowers [...] Read more.
Recent years have seen the development of cutting-edge technology, such as offshore wind turbines and wave energy converters. It has previously been investigated whether integrating offshore wind turbines with wave energy converters is feasible. Diversifying the sources of offshore renewable energy also lowers investment costs and power fluctuation. This paper focuses on the development of a hybrid wind–wave energy system as well as the development of a techno-economic model to assess the system performance for a case study. A levelized cost of energy is calculated for the hybrid system by the Norwegian North Sea based on current knowledge about the technology costs. The economic benefits of sharing the common components of a wind-wave hybrid farm are inspected. Combinations of different wind–wave offshore hybrid systems are presented. Three technologies for both offshore wind turbines and wave energy converters are compared to find the most cost-efficient device pairing. The potential benefits of a shared infrastructure and the operational expenses are included in the evaluation. The combination yielding the lowest production cost of the cases studied is a combination of 160 MW of wind power and 40 MW of wave power, with a levelized cost of energy of EUR 107/MWh when the shared costs are 15%. In the study region, the average electricity price in Autumn 2022 was over EUR 300/MWh due to the European energy crisis. Full article
(This article belongs to the Special Issue Wave Energy: Theory, Methods, and Applications)
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19 pages, 1685 KiB  
Article
Use of Magnetostrictive Actuators for Wave Energy Conversion with Improvised Structures
by Umesh A. Korde
Energies 2023, 16(4), 1835; https://doi.org/10.3390/en16041835 - 12 Feb 2023
Viewed by 994
Abstract
This paper presents work on a wave energy device with an on-board power take-off based on a magnetostrictively actuated deformable structure. Such devices potentially could be used in low-cost, short-term expeditionary operations. The paper discusses an analytical model that describes the heave oscillations [...] Read more.
This paper presents work on a wave energy device with an on-board power take-off based on a magnetostrictively actuated deformable structure. Such devices potentially could be used in low-cost, short-term expeditionary operations. The paper discusses an analytical model that describes the heave oscillations of a buoy with two inclined, overhanging beams with magnetostrictive strips affixed to them. This work comprises the first steps toward an analytical model that would enable potential users to obtain quick power estimates at the planning stage. Here, the fully nonlinear magneto-mechanical-electrical constitutive relations are linearized about a desirable operating point, and a coupled dynamic model is derived using a variational formulation that includes buoy heave, flexural oscillations of the two beams, and the voltage response of the magnetostrictive strips. Energy conversion performance in wind-sea-dominated Pierson–Moskowitz spectra is found to be modest. However, present results also indicate that performance could be improved with suitable mechanical modifications. Full article
(This article belongs to the Special Issue Wave Energy: Theory, Methods, and Applications)
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