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Department of Engineering, Energy Section, University of Palermo, 90128 Palermo, Italy
Department of Engineering, Energy Section, University of Palermo, 90128 Palermo, Italy
Department of Engineering, Energy Section, University of Palermo, 90128 Palermo, Italy
Department of Engineering, Energy Section, University of Palermo, 90128 Palermo, Italy
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Energy from Sea Waves

Abstract submission deadline
closed (29 February 2024)
Manuscript submission deadline
30 April 2024
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4466

Topic Information

Dear Colleagues,

We are pleased to inform you that we are currently running a Topic entitled "Energy from Sea Waves". We kindly invite you to contribute a paper to this Topic.

The progressive increase in cost for energy production and the current geopolitical instability remarked the need for an energy transition towards renewable energy sources.

Among these, sea wave harvesting represents a relevant opportunity for this territory, exposed to the seas. In particular, the best opportunity is related to small islands.

Several concepts for wave harvesting have been proposed over the past two decades; however, commercial exploitation still seems to be unattainable.

This Topic encourages the submission of the following research and review articles:

  • Proposal of new solutions for wave energy harvesting;
  • Improvements of the technologies;
  • Experiments on pilot plants;
  • Preliminary energy assessment in case studies;
  • Environmental assessment on wave energy harvesting.

Thank you for your consideration. We hope you consider this Topic to help expand upon the current literature.

Prof. Dr. Daniele Milone
Prof. Dr. Vincenzo Franzitta
Dr. Domenico Curto
Dr. Andrea Guercio
Topic Editors

Keywords

  • sea wave
  • renewable energy
  • marine energy
  • wave energy harvesting
  • energy saving

Participating Journals

Journal Name Impact Factor CiteScore Launched Year First Decision (median) APC
Energies
energies 		3.2 5.5 2008 16.1 Days CHF 2600 Submit
Journal of Marine Science and Engineering
jmse 		2.9 3.7 2013 15.4 Days CHF 2600 Submit
Oceans
oceans 		- - 2020 45.2 Days CHF 1600 Submit
Remote Sensing
remotesensing 		5.0 7.9 2009 23 Days CHF 2700 Submit
Water
water 		3.4 5.5 2009 16.5 Days CHF 2600 Submit

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MDPI Topics is cooperating with Preprints.org and has built a direct connection between MDPI journals and Preprints.org. Authors are encouraged to enjoy the benefits by posting a preprint at Preprints.org prior to publication:

  1. Immediately share your ideas ahead of publication and establish your research priority;
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  4. Receive feedback from your peers in advance;
  5. Have it indexed in Web of Science (Preprint Citation Index), Google Scholar, Crossref, SHARE, PrePubMed, Scilit and Europe PMC.

Published Papers (3 papers)

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20 pages, 12608 KiB  
Article
Study of a Center Pipe Oscillating Column Wave Energy Converter Combined with a Triboelectric Nanogenerator Device
by Yan Huang, Shaohui Yang, Jianyu Fan, Zhichang Du, Beichen Lin, Yongqiang Tu and Lei Pan
J. Mar. Sci. Eng. 2024, 12(1), 100; https://doi.org/10.3390/jmse12010100 - 03 Jan 2024
Viewed by 847
Abstract
Wave energy is one of the most widely distributed and abundant energies in the ocean, and its conversion technology has been broadly researched. In this paper, a structure that combines a traditional center pipe oscillating water column and a triboelectric nanogenerator is proposed. [...] Read more.
Wave energy is one of the most widely distributed and abundant energies in the ocean, and its conversion technology has been broadly researched. In this paper, a structure that combines a traditional center pipe oscillating water column and a triboelectric nanogenerator is proposed. Firstly, the structural characteristics and geometric parameters of the device are designed. The working process of the device is introduced, the motion equation of the device is established, and the power generation principle of the triboelectric nanogenerator is deduced and analyzed theoretically. Secondly, hydrodynamic modeling and simulation are carried out, the influence of the bottom shape of the main floating body and the structural parameters of the sag plate on the hydrodynamic force of the device is analyzed, and an electric field simulation of the generation process of the friction nanogenerator is carried out. Finally, experiments involving the wave water tank of the proposed device are conducted, including charging the capacitor of the device under different wave conditions and directly lighting the LED lamp. The performance of the proposed device under different wave conditions is discussed. According to the test results, the feasibility of the proposed device for wave energy conversion is confirmed. Full article
(This article belongs to the Topic Energy from Sea Waves)
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25 pages, 4835 KiB  
Article
Multi-Timescale Lookup Table Based Maximum Power Point Tracking of an Inverse-Pendulum Wave Energy Converter: Power Assessments and Sensitivity Study
by Xuhui Yue, Jintao Zhang, Feifeng Meng, Jiaying Liu, Qijuan Chen and Dazhou Geng
Energies 2023, 16(17), 6195; https://doi.org/10.3390/en16176195 - 25 Aug 2023
Cited by 1 | Viewed by 724
Abstract
A novel, inverse-pendulum wave energy converter (NIPWEC) is a device that can achieve natural period control via a mass-position-adjusting mechanism and a moveable internal mass. Although the energy capture capacity of a NIPWEC has already been proven, it is still meaningful to research [...] Read more.
A novel, inverse-pendulum wave energy converter (NIPWEC) is a device that can achieve natural period control via a mass-position-adjusting mechanism and a moveable internal mass. Although the energy capture capacity of a NIPWEC has already been proven, it is still meaningful to research how to effectively control the NIPWEC in real time for maximum wave energy absorption in irregular waves. This paper proposes a multi-timescale lookup table based maximum power point tracking (MLTB MPPT) strategy for the NIPWEC. The MLTB MPPT strategy was implemented to achieve a theoretical “optimal phase” and “optimal amplitude” by adjusting both the position of the internal mass and linear power take-off (PTO) damping. It consists of two core parts, i.e., internal mass position adjustment based on a 1D resonance position table and PTO damping tuning based on a 2D optimal PTO damping table. Furthermore, power assessments and sensitivity study were conducted for eight irregular-wave sea states with diverse wave spectra. The results show that energy period resonance and the lookup table based PTO damping tuning have the highest possibility of obtaining the maximum mean time-averaged absorbed power. Additionally, both of them are robust to parameter variations. In the next step, the tracking performance of the MLTB MPPT strategy in terms of changing sea states will be studied in-depth. Full article
(This article belongs to the Topic Energy from Sea Waves)
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14 pages, 4483 KiB  
Article
Numerical Analysis of a Horizontal Pressure Differential Wave Energy Converter
by Manimaran Renganathan and Mamdud Hossain
Energies 2022, 15(20), 7513; https://doi.org/10.3390/en15207513 - 12 Oct 2022
Viewed by 1200
Abstract
CFD modeling of an innovative wave energy device has been carried out in this study. OpenFoam wave modeling solver interFoam has been employed in order to investigate the energy extraction capability of the wave energy device. The innovative concept is based on utilizing [...] Read more.
CFD modeling of an innovative wave energy device has been carried out in this study. OpenFoam wave modeling solver interFoam has been employed in order to investigate the energy extraction capability of the wave energy device. The innovative concept is based on utilizing the pressure differential under the crest and trough of a wave to drive flow through a pipe. The simulated surface elevation of a wave has been validated against the reported wave tank experimental data in order to provide confidence in the modeling outcome. Further, simulations have been carried out with the device placed near to the bottom of the numerical wave tank in order establish the energy extraction potential. The simulation results confirm that effective power can be generated from the wave energy device. The efficiency of the device decreases with the increase in wave height, although it increases with the wave period. Higher power-take off (PTO) damping is also beneficial in extracting increased energy from waves. Full article
(This article belongs to the Topic Energy from Sea Waves)
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