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Journal articles on the topic 'Wave energy'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Kawaguchi, Takashi, Kunio Nakano, Shogo Miyajima, and Taro Arikawa. "WAVE ENERGY CONVERTER WITH WAVE ABSORBING CONTROL." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 61. http://dx.doi.org/10.9753/icce.v36.papers.61.

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The wave absorbing control using wave sensors was theorized and developed by the authors, about 30 years ago. It was originally for absorbing wavemakers for tank tests in laboratories. This control enables wavemakers to generate the desired incident waves while absorbing undesirable reflected waves from the tank wall. When waves are absorbed by the wavemaker, the energy of the waves are also absorbed, that is, the energy is regenerated to electric power with the wavemaker drivemotor. According to this theory, in case that certain waves are generated by an oscillating body, these waves can be a

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2

Troch, Peter, Charlotte Beels, Julien De Rouck, and Griet De Backer. "WAKE EFFECTS BEHIND A FARM OF WAVE ENERGY CONVERTERS FOR IRREGULAR LONG-CRESTED AND SHORT-CRESTED WAVES." Coastal Engineering Proceedings 1, no. 32 (2011): 53. http://dx.doi.org/10.9753/icce.v32.waves.53.

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The contribution of wave energy to the renewable energy supply is rising. To extract a considerable amount of wave power, Wave Energy Converters (WECs) are arranged in several rows or in a ’farm’. WECs in a farm are interacting (e.g. the presence of other WECs influence the operational behaviour of a single WEC) and the overall power absorption is affected. In this paper wake effects in the lee of a single WEC and multiple WECs of the overtopping type, where the water volume of overtopped waves is first captured in a basin above mean sea level and then drains back to the sea through hydro turb

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Nian, Ting Kai, Bo Liu, and Ping Yin. "Seafloor Slope Stability under Adverse Conditions Using Energy Approach." Applied Mechanics and Materials 405-408 (September 2013): 1445–48. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.1445.

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The effects of ocean waves on the stability of seafloor slopes are of great importance in marine environment. The stability of a seafloor slope considering wave-induced pressure is analyzed using the kinematic approach of limit analysis combined with a strength reduction technique. A seafloor slope without waves is considered first. Furthermore, waved-induced pressure is considered to act on the surface of slope as an external load to analyze the effects on the stability of slope by waves. The results show that the adverse effect of waves on slope stability increases with an increase of the wa

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4

KONNO, Toshio, Yoshihiro NAGATA, Manabu TAKAO, and Toshiaki SETOGUCHI. "C107 RADIAL TURBINE WITH AIRFLOW RECTIFICATION SYSTEM FOR WAVE ENERGY CONVERSION(Solar, Wind and Wave Energy-2)." Proceedings of the International Conference on Power Engineering (ICOPE) 2009.1 (2009): _1–167_—_1–171_. http://dx.doi.org/10.1299/jsmeicope.2009.1._1-167_.

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5

Verao Fernandez, Gael, Vasiliki Stratigaki, Panagiotis Vasarmidis, Philip Balitsky, and Peter Troch. "Wake Effect Assessment in Long- and Short-Crested Seas of Heaving-Point Absorber and Oscillating Wave Surge WEC Arrays." Water 11, no. 6 (2019): 1126. http://dx.doi.org/10.3390/w11061126.

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In the recent years, the potential impact of wave energy converter (WEC) arrays on the surrounding wave field has been studied using both phase-averaging and phase-resolving wave propagation models. Obtaining understanding of this impact is important because it may affect other users in the sea or on the coastline. However, in these models a parametrization of the WEC power absorption is often adopted. This may lead to an overestimation or underestimation of the overall WEC array power absorption, and thus to an unrealistic estimation of the potential WEC array impact. WEC array power absorpti

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6

Smith, Warren R. "Wave–structure interactions for the distensible tube wave energy converter." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2192 (2016): 20160160. http://dx.doi.org/10.1098/rspa.2016.0160.

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A comprehensive linear mathematical model is constructed to address the open problem of the radiated wave for the distensible tube wave energy converter. This device, full of sea water and located just below the surface of the sea, undergoes a complex interaction with the waves running along its length. The result is a bulge wave in the tube which, providing certain criteria are met, grows in amplitude and captures the wave energy through the power take-off mechanism. Successful optimization of the device means capturing the energy from a much larger width of the sea waves (capture width). To

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Perfect, B., N. Kumar, and J. J. Riley. "Energetics of Seamount Wakes. Part II: Wave Fluxes." Journal of Physical Oceanography 50, no. 5 (2020): 1383–98. http://dx.doi.org/10.1175/jpo-d-19-0104.1.

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AbstractSeamounts are thought to facilitate ocean mixing through unsteady wake processes, and through the generation of internal waves, which propagate away from the seamount and later break. The relative importance of these processes is examined for idealized, isolated seamounts (with characteristic width D and height H) in uniform barotropic flow U. A range of Coriolis parameters f and buoyancy frequencies N are used such that a broad parameter space of low Froude numbers (U/NH) and low Rossby numbers (U/fD) is considered. Results indicate that eddy processes energetically dominate the inter

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8

Ranjan, Kumod, Anula Khare, and Manju Gupta. "Ocean Wave Energy Converter." International Transactions on Electrical Engineering and Computer Science 3, no. 4 (2025): 200–206. https://doi.org/10.62760/iteecs.3.4.2024.100.

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This research paper presents a comparative analysis of power extraction from an Oscillating Water Column (OWC) and a Point Absorber using mathematical modeling. Both systems are modeled under the same wave input conditions, with the OWC utilizing airflow dynamics to drive a turbine, and the Point Absorber modeled through heave motion equations. Linear wave theory and hydrodynamic interactions are applied to calculate power output. Results indicate that the OWC performs optimally in nearshore environments with consistent waves, while the Point Absorber is more efficient in offshore conditions.

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9

Shao, Cheng, and Xao Yu Yuan. "Exploiting of Ocean Wave Energy." Advanced Materials Research 622-623 (December 2012): 1143–46. http://dx.doi.org/10.4028/www.scientific.net/amr.622-623.1143.

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Sea waves are a very promising energy carrier among renewable power sources, and so many devices to convert wave energy into electrical energy have been invented. This paper discussed the fundamentals of ocean wave energy, summarized the wave energy research being conducted. And the purpose is to take refers to scientists and engineers in this area.

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10

Schultz, William W., Jin Huh, and Owen M. Griffin. "Potential energy in steep and breaking waves." Journal of Fluid Mechanics 278 (November 10, 1994): 201–28. http://dx.doi.org/10.1017/s0022112094003678.

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We find that the RMS wave height (square root of the potential energy) rather than peak-to-peak wave height is a better experimental and analytic criterion for determining when a regular, two-dimensional deep-water wave will break. A spectral algorithm for two-dimensional potential flow is developed and used to compare breaking onset criteria for energy input from (i) converging sidewalls, (ii) a submerged disturbance, and (iii) wave focusing. We also find that wave-breaking criteria (potential energy or the more classical peak-to-peak wave height) are a function of the rate of energy input. L

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11

Lin, Lihwa, Zeki Demirbilek, Jinhai Zheng, and Hajime Mase. "RAPID CALCULATION OF NONLINEAR WAVE-WAVE INTERACTIONS." Coastal Engineering Proceedings 1, no. 32 (2011): 36. http://dx.doi.org/10.9753/icce.v32.waves.36.

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This paper presents an efficient numerical algorithm for the nonlinear wave-wave interactions that can be important in the evolution of coastal waves. Indeed, ocean waves truly interact with each others. However, because ocean waves can also interact with the atmosphere such as under variable wind and pressure fields, and waves will deform from deep to shallow water, it is generally difficult to differentiate the actual amount of the nonlinear energy transfer among spectral waves mixed with the atmospheric input and wave breaking. The classical derivation of the nonlinear wave energy transfer

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12

Ru, Beining. "Research on combined power generation of wave energy and wind energy." MATEC Web of Conferences 404 (2024): 01002. http://dx.doi.org/10.1051/matecconf/202440401002.

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With the continuous growth of global energy demand and the increasingly severe environmental pollution problem, it has become particularly urgent to find clean and sustainable alternative energy sources. This article examines the possibilities for offshore wind and wave energy as renewable energy sources in detail and discusses the strategy and technology involved in generating combined power from them. An evaluation of the offshore wind energy and wave energy resources is done first, and then their distribution is briefly discussed. The research on wind and wave integrated energy-generating t

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13

Qin, Shufang, Jun Fan, Haiming Zhang, Junwei Su, and Yi Wang. "Flume Experiments on Energy Conversion Behavior for Oscillating Buoy Devices Interacting with Different Wave Types." Journal of Marine Science and Engineering 9, no. 8 (2021): 852. http://dx.doi.org/10.3390/jmse9080852.

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Oscillating buoy device, also known as point absorber, is an important wave energy converter (WEC) for wave energy development and utilization. The previous work primarily focused on the optimization of mechanical design, buoy’s array configuration and the site selection with larger wave energy density in order to improve the wave energy generation performance. In this work, enlightened by the potential availability of Bragg reflection induced by multiple submerged breakwaters in nearshore areas, we investigate the energy conversion behavior of oscillating buoy devices under different wave typ

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14

Gao, Hong, and Zhiheng Wang. "Hydrodynamic Response Analysis and Wave Energy Absorption of Wave Energy Converters in Regular Waves." Marine Technology Society Journal 51, no. 1 (2017): 64–74. http://dx.doi.org/10.4031/mtsj.51.1.7.

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AbstractThe hydrodynamic response and the energy capture analysis of wave energy converters (WECs) with three degrees of freedom are conducted using a frequency domain approach. Considering the coupled hydrodynamic coefficients between surge and pitch, motion responses in surge, heave, and pitch are solved for the WECs. The power take-off (PTO) damping is taken as a linear function of the velocity. The power absorption and the absorption efficiency in surge, heave, and pitch are analyzed and compared. The effects of the geometry, diameter, draft, center of gravity position, and PTO damping on

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15

Gonzalez C., Rodolfo S. "Teoría de Gravedad "Energy-Wave": el origen." ALTAmira Revista Académica 2, no. 5 (2014): 50–61. http://dx.doi.org/10.15418/altamira5001.

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16

Kamoldinov, Sardorbek Hamidullo ugli, Odinaxon Akmaljon kizi Adhamjonova, and Gulshoda O'rmonjon kizi No'monova. "ADVANTAGES OF WAVE ENERGY." SCHOLAR 1, no. 29 (2023): 86–88. https://doi.org/10.5281/zenodo.10056052.

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Our experts offer assessments and evaluations for clients in all areas of the wave energy industry, including research, testing and project development. Tidal energy is a relatively new form of renewable energy that involves harnessing the power contained in waves on the ocean's surface.

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17

Parsekar, Vivek Pradeep. "Wave Energy Generation Using V.A.W.T. Vertical Axis Wave Turbine." International Scientific Journal of Engineering and Management 04, no. 05 (2025): 1–9. https://doi.org/10.55041/isjem03616.

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Abstract—Wave energy is a renewable energy source that harnesses the kinetic and potential energy of ocean waves to generate electricity. This renewable energy is part of the marine energy category, which includes energies such as tidal energy and ocean thermal energy. Wave energy is predominantly dependent on wind patterns and lunar gravitational forces, providing a consistent and predictable source of electricity. It produces minimal greenhouse gas emissions and has a lower environmental impact compared to fossil fuels, making it a cleaner and more sustainable energy source. Wave energy usin

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18

Pontes, M. T., L. Cavaleri, and Denis Mollison. "Ocean Waves: Energy Resource Assessment." Marine Technology Society Journal 36, no. 4 (2002): 42–51. http://dx.doi.org/10.4031/002533202787908662.

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The aim of this paper is to provide a general view of wave energy resource assessment. First, a review of the origin of waves and the transformation they undergo as they propagate towards the coast through waters of decreasing depth is presented. Following this, the wave and wave-energy parameters and the statistics required for resource characterization are described. The various types of wave data and their usefulness for the present purposes are summarised. A common methodology for assessment of the wave energy resource is developed. Finally, a general description of the global open ocean r

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19

Iskandarova, Marfuga, and Elena Simakova. "Technologising the wave." Digital Scholar: Philosopher's Lab 3, no. 1 (2020): 101–22. http://dx.doi.org/10.5840/dspl2020319.

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Despite the recent shift from renewable energy to a low carbon policy, the UK policy discourse still recognises marine energy as part of the country’s future energy mix. Production of what we call an “assemblage” of technology and ocean waves triggers complex sets of initiatives that provide the basis for the economic viability and credibility of wave energy extraction. However, questions are rarely asked about how the natural phenomenon being part of this assemblage is construed as a resource to become a key element of promises and assessments of potential of renewable energy. This study shed

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20

Mohtat, Ali, Casey Fagley, Kedar C. Chitale, and Stefan G. Siegel. "Efficiency analysis of the cycloidal wave energy convertor under real-time dynamic control using a 3D radiation model." International Marine Energy Journal 5, no. 1 (2022): 45–56. http://dx.doi.org/10.36688/imej.5.45-56.

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Ocean waves provide a vast, uninterrupted resource of renewable energy collocated around large coastal population centers. Clean energy from ocean waves can contribute to the local electrical grid without the need for long-term electrical storage, yet due to the current high cost of energy extraction from ocean waves, there is no commercial ocean wave farm in operation. One of the wave energy converter (WEC) device classes that show the potential to enable economic energy generation from ocean waves is the class of wave terminators. This work investigates the Cycloidal Wave Energy Converter (C

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21

Li, Chi-Yu, Ruey-Syan Shih, and Wen-Kai Weng. "Investigation of Ocean-Wave-Focusing Characteristics Induced by a Submerged Crescent-Shaped Plate for Long-Crested Waves." Water 12, no. 2 (2020): 509. http://dx.doi.org/10.3390/w12020509.

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The need for renewable energy has gained importance with growing concerns about climate change. Wave energy has attracted considerable attention owing to its sustainability potential. Reflection, refraction, diffraction, and shoaling of waves occur when waves propagate through a submerged structure. These mechanics, when properly utilized, can be employed to focus waves to a specific location and also to increase wave heights, by which wave energy is usually represented, for planning and designing wave farms. Wave focusing induced by a submerged crescent-shaped plate for different wave conditi

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22

Ismail, Mohd Arif, Nik Mohd Ridzuan Shaharuddin, Omar Yaakob, et al. "WAKE WASH OF A FAST SMALL BOAT IN RESTRICTED WATERS: MODEL TESTS AND FULL-SCALE MEASUREMENTS." Brodogradnja 73, no. 2 (2022): 93–119. http://dx.doi.org/10.21278/brod73206.

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This paper presents the model testing of an 8.23m boat with hard chine planning hull generated waves at the Kilim recreational park. Wake is considered one of the main causes of riverbank erosion due to the energy carried by waves hitting the riverbank. Initially, ship particulars were measured from actual boats to generate a hull form using MAXSURF software. A lines plan was then generated to fabricate the model using fibreglass. Experiments were conducted in the National Hydraulic Research Institute of Malaysia (NAHRIM) at various speeds at a constant operating draft. The wave patterns gener

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23

Cascajo, Raúl, Emilio García, Eduardo Quiles, Francisco Morant, and Antonio Correcher. "Wave Energy Assessment at Valencia Gulf and Comparison of Energy Production of Most Suitable Wave Energy Converters." International Journal of Environmental Research and Public Health 17, no. 22 (2020): 8473. http://dx.doi.org/10.3390/ijerph17228473.

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Seaports’ energy strategy should rely on the use of renewable energy. Presently, the share of renewable energy used by many of the ports worldwide is negligible. Some initiatives are in the process of implementation to produce some of the energy used by the Port of Valencia, one the largest ports in the Mediterranean Basin. Among these initiatives, a photovoltaic plant with an installed capacity of 5.5 MW is under a tendering process and the assessment studies for the deployment of three to five windmills are close to being finished. However, this is not enough to make it a “zero emissions por

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24

Koide, Shinji, Sousuke Noda, Masaaki Takahashi, and Yasusada Nambu. "One-dimensional Force-free Numerical Simulations of Alfvén Waves around a Spinning Black String." Astrophysical Journal 928, no. 1 (2022): 84. http://dx.doi.org/10.3847/1538-4357/ac47f8.

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Abstract We performed one-dimensional force-free magnetodynamic numerical simulations of the propagation of Alfvén waves along magnetic field lines around a spinning black-hole-like object, the Banados–Teitelboim–Zanelli black string, to investigate the dynamic process of wave propagation and energy transport with Alfvén waves. We considered an axisymmetric and stationary magnetosphere and perturbed the background magnetosphere to obtain the linear wave equation for the Alfvén wave mode. The numerical results show that the energy of Alfvén waves monotonically increases as the waves propagate o

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Li, Yaokun, Jiping Chao, and Yanyan Kang. "Variations in Wave Energy and Amplitudes along the Ray Paths of Barotropic Rossby Waves in Horizontally Non-Uniform Basic Flows." Atmosphere 12, no. 4 (2021): 458. http://dx.doi.org/10.3390/atmos12040458.

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A non-divergent barotropic model on a sphere transformed to Mercator coordinates is used to examine the variations in wave energy and amplitude along the energy dispersion paths of barotropic Rossby waves in non-uniform basic flows. Wave energy can be easily solved by specifying the divergence of the group velocity along the corresponding rays. In an analytical non-uniform basic flow that represents the basic features of the observed one at middle latitudes, waves with different periods decay accompanying the decreases in wave energy and amplitude and the increase in the total wavenumber. This

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Bailey, Taylor, Lauren Ross, Mary Bryant, and Duncan Bryant. "Predicting Wind Wave Suppression on Irregular Long Waves." Journal of Marine Science and Engineering 8, no. 8 (2020): 619. http://dx.doi.org/10.3390/jmse8080619.

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The applicability of the wind wave suppression model developed by Chen and Belcher (2000) to irregular wave environments is investigated in this study. Monochromatic and irregular wave environments were simulated in the W2 (Wind/Wave) laboratory at the University of Maine under varying wind speeds. The Chen and Belcher (2000) model accurately predicts the reduction of the energy density of the wind waves in the presence of the monochromatic waves as a function of wave steepness, but under predicts this energy dissipation for the irregular waves. This is due to the consideration of a single wav

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27

Tang, Shanran, Yiqin Yang, and Liangsheng Zhu. "Directing Shallow-Water Waves Using Fixed Varying Bathymetry Designed by Recurrent Neural Networks." Water 15, no. 13 (2023): 2414. http://dx.doi.org/10.3390/w15132414.

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Directing shallow-water waves and their energy is highly desired in many ocean engineering applications. Coastal infrastructures can be protected by reflecting shallow-water waves to deep water. Wave energy harvesting efficiency can be improved by focusing shallow-water waves on wave energy converters. Changing water depth can effectively affect wave celerity and therefore the propagation of shallow-water waves. However, determining spatially varying bathymetry that can direct shallow-water waves to a designed location is not trivial. In this paper, we propose a novel machine learning method t

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28

Walker, A. D. M. "Energy exchange and wave action conservation for magnetohydrodynamic (MHD) waves in a general, slowly varying medium." Annales Geophysicae 32, no. 12 (2014): 1495–510. http://dx.doi.org/10.5194/angeo-32-1495-2014.

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Abstract. Magnetohydrodynamic (MHD) waves in the solar wind and magnetosphere are propagated in a medium whose velocity is comparable to or greater than the wave velocity and which varies in both space and time. In the approximation where the scales of the time and space variation are long compared with the period and wavelength, the ray-tracing equations can be generalized and then include an additional first-order differential equation that determines the variation of frequency. In such circumstances the wave can exchange energy with the background: wave energy is not conserved. In such proc

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Jiang, Xingjie, Dalu Gao, Feng Hua, Yongzeng Yang, and Zeyu Wang. "An Improved Approach to Wave Energy Resource Characterization for Sea States with Multiple Wave Systems." Journal of Marine Science and Engineering 10, no. 10 (2022): 1362. http://dx.doi.org/10.3390/jmse10101362.

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Generally, wave energy resource assessment and characterization are performed based on an entire wave spectrum, ignoring the detailed energy features that belong to wave systems, i.e., wind waves and swells. In reality, the energy is separately possessed by multiple wave systems, propagating at different directions and velocities. Therefore, it is the wave system that is the most fundamental unit of the wave energy resource. Although detailed analyses of wind waves and swells can be conducted via wave system partitioning, operational assessment methods that can reveal the detailed wave energy

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Yadav, N., R. Keppens, and B. Popescu Braileanu. "3D MHD wave propagation near a coronal null point: New wave mode decomposition approach." Astronomy & Astrophysics 660 (April 2022): A21. http://dx.doi.org/10.1051/0004-6361/202142688.

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Context. Ubiquitous vortex flows at the solar surface excite magnetohydrodynamic (MHD) waves that propagate to higher layers of the solar atmosphere. In the solar corona, these waves frequently encounter magnetic null points. The interaction of MHD waves with a coronal magnetic null in realistic 3D setups requires an appropriate wave identification method. Aims. We present a new MHD wave decomposition method that overcomes the limitations of existing wave identification methods. Our method allows for an investigation of the energy fluxes in different MHD modes at different locations of the sol

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31

Re, Carlo, Giorgio Manno, Giuseppe Ciraolo, and Giovanni Besio. "Wave Energy Assessment around the Aegadian Islands (Sicily)." Energies 12, no. 3 (2019): 333. http://dx.doi.org/10.3390/en12030333.

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This paper presents the estimation of the wave energy potential around the Aegadian islands (Italy), carried out on the basis of high resolution wave hindcast. This reanalysis was developed employing Weather Research and Forecast (WRF) and WAVEWATCH III ® models for the modelling of the atmosphere and the waves, respectively. Wave climate has been determined using the above-mentioned 32-year dataset covering the years from 1979 to 2010. To improve the information about wave characteristics regarding spatial details, i.e., increasing wave model resolution, especially in the nearshore region aro

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Wang, David W., and Hemantha W. Wijesekera. "Observations of Breaking Waves and Energy Dissipation in Modulated Wave Groups." Journal of Physical Oceanography 48, no. 12 (2018): 2937–48. http://dx.doi.org/10.1175/jpo-d-17-0224.1.

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AbstractIt has been recognized that modulated wave groups trigger wave breaking and generate energy dissipation events on the ocean surface. Quantitative examination of wave-breaking events and associated turbulent kinetic energy (TKE) dissipation rates within a modulated wave group in the open ocean is not a trivial task. To address this challenging topic, a set of laboratory experiments was carried out in an outdoor facility, the Oil and Hazardous Material Simulated Environment Test Tank (203 m long, 20 m wide, 3.5 m deep). TKE dissipation rates at multiple depths were estimated directly whi

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Prasetyowati, Ane, Wisnu Broto, and Noor Suryaningsih. "LINEAR GENERATOR PROTOTYPE WITH VERTICAL CONFIGURATION OF SEA WAVE POWER PLANT." Spektra: Jurnal Fisika dan Aplikasinya 6, no. 3 (2021): 185–200. http://dx.doi.org/10.21009/spektra.063.05.

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There are three types of potential energy sources in the sea: ocean wave energy, tidal energy, and ocean heat energy. Ocean wave energy is a source of considerable energy. Sea waves are an up and down movement of seawater where the energy of sea waves is generated through the effect of air pressure movement due to fluctuations in ocean wave movements. The Ocean Wave Power Plant can use ocean wave energy to convert it into electrical energy. A linear generator is a device that can convert the mechanical energy of linear motion into electrical energy. The application of the ocean wave energy con

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McCormick, Michael E., and Oavid R. B. Kraemer. "Ocean Wave Energy Utilization." Marine Technology Society Journal 36, no. 4 (2002): 52–58. http://dx.doi.org/10.4031/002533202787908617.

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The exploitation of ocean waves in electricity production, potable-water production, waterbody revitalization and farming is discussed. Those energy-conversion technologies that are now at the prototype stage are described. The systems are those that are resonant in nature, since resonant systems have been found to be the most efficient. The efficiency of these systems is due to both diffraction-induced wave focusing and possible impedance-matching.

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Aminuddin, Jamrud, Mukhtar Effendi, Nurhayati Nurhayati, et al. "Numerical Analysis of Energy Converter for Wave Energy Power Generation-Pendulum System." International Journal of Renewable Energy Development 9, no. 2 (2020): 255–61. http://dx.doi.org/10.14710/ijred.9.2.255-261.

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The wave energy power generation-pendulum system (WEPG-PS) is a four-wheeled instrument designed to convert wave power into electric energy. The first wheel is connected to the pendulum by a double freewheel, the second and third are ordinary wheels, while the fourth is a converter component that is axially connected to the electric generator. This design used the Euler-Lagrange formalism and Runge-Kutta method to examine an ideal dimension and determine the numerical solution of the equation of motion related to the rotation speed of the wheels. The result showed that the WEPG-PS' converter s

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Eden, Carsten, Manita Chouksey, and Dirk Olbers. "Mixed Rossby–Gravity Wave–Wave Interactions." Journal of Physical Oceanography 49, no. 1 (2019): 291–308. http://dx.doi.org/10.1175/jpo-d-18-0074.1.

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AbstractMixed triad wave–wave interactions between Rossby and gravity waves are analytically derived using the kinetic equation for models of different complexity. Two examples are considered: initially vanishing linear gravity wave energy in the presence of a fully developed Rossby wave field and the reversed case of initially vanishing linear Rossby wave energy in the presence of a realistic gravity wave field. The kinetic equation in both cases is numerically evaluated, for which energy is conserved within numerical precision. The results are validated by a corresponding ensemble of numeric

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Foyhirun, Chutipat, Duangrudee Kositgittiwong, and Chaiwat Ekkawatpanit. "Wave Energy Potential and Simulation on the Andaman Sea Coast of Thailand." Sustainability 12, no. 9 (2020): 3657. http://dx.doi.org/10.3390/su12093657.

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Ocean wave energy is an interesting renewable energy because it will never run out and can be available all the time. If the wave energy is to be used, then the feasibility study of localized wave potential has to be studied. This goal is to study the potential of waves in the Andaman Sea. The Simulating WAves Nearshore (SWAN) model was used to calculate the significant wave heights, which were validated with the measurement data of the Jason-2 satellite. The coastal area of Phuket and Phang Nga provinces are suitable locations for studying wave energy converters because they have high signifi

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BAWISKAR, S. S., and S. M. SINGH. "Upper tropospheric energetics of standing eddies In wave number domain during contrasting Monsoon activity over India." MAUSAM 43, no. 4 (2021): 403–10. http://dx.doi.org/10.54302/mausam.v43i4.3513.

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The upper tropospheric energetics of the standing eddies in wave number domain during contrasting monsoon' activity over India have been investigated. Two normal monsoon years (1970. 1971) and two drought monsoon years (1972, 1979) are considered for a comparative study, Energy equations of Saltzman (1957) are used to compute wave-wave Interaction and wave to zonal mean flow Interaction. Analysis of the results show that the standing eddies in the region of tropical easterlies (5°S-24 .2°N) have larger kinetic energy than those in the region of southern hemispheric, westerlies (24.2°S-5°S). Wa

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Cahill, Brendan. "Characterizing Ireland's wave energy resource." Boolean: Snapshots of Doctoral Research at University College Cork, no. 2011 (January 1, 2011): 21–25. http://dx.doi.org/10.33178/boolean.2011.5.

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In theory, the energy that could be extracted from the oceans is well in excess of any current, or future, human requirements. While wave energy currently lags behind conventional, carbon based sources of power and other renewable sources of energy such as wind and solar, advances continue to be made. The developers of Wave Energy Converters (WECs), the devices that are designed to harness the power of ocean waves, require methods to compare and evaluate the wave energy resource at different locations in order to allow them to select the most suitable sites to achieve optimal power capture and

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Ji, Zhifei, Xiaodong Yuan, Min Lin, and Jianyu Fan. "Hydrodynamic Analysis of 3-SPS Wave Energy Conversion Device." E3S Web of Conferences 271 (2021): 01013. http://dx.doi.org/10.1051/e3sconf/202127101013.

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Wave energy has the advantages of high energy density, renewability, and wide distribution, and has been highly valued by many coastal countries. The wave energy conversion device can convert wave energy into electric energy, which is of great significance for alleviating problems such as energy crisis and greenhouse effect. The traditional wave energy conversion device can only gain the energy along the heave direction, and the kinetic energy of the buoy is not fully utilized. To improve the energy utilization efficiency of the wave energy conversion device, this paper proposed a new type of

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Hakim Ramli, Mohd Amin, Kamarul Nasser Mokri, Muhammad Adli Mustapa, et al. "Heave Response Amplitude Operator of Point Absorber Wave Energy Converter in Low Wave Energy." Journal of Advanced Research Design 123, no. 1 (2024): 261–71. https://doi.org/10.37934/ard.123.1.261271.

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Point Absorber Wave Energy Converter (PAWEC) is a floater device that moves up and down with waves. The device absorbs the orbital motion of the wave and utilize the heaving motion to drive the generator, converting the mechanical energy to generate electricity. PAWEC has been famously used by researchers as it is easy for fabrication and installation. Most of the PAWEC prototype and research recently used wave data from European seas which have high wave energy. The objectives of this paper are to analyse the heaving performance of existing PAWEC design in low wave condition in Malaysia and i

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Wang, Hao, Haitao Yu, and Wei Zhong. "A control system design of wave power generation using HHT to realize maximum power control." Journal of Physics: Conference Series 2918, no. 1 (2024): 012001. https://doi.org/10.1088/1742-6596/2918/1/012001.

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Abstract Ocean wave power generation can provide clean energy for offshore electrical equipment. However, the random changes in waves are not conducive to capturing energy efficiently. How to improve the capture of wave power has become a problem that wave energy power generation equipment needs to address. This study uses the Hilbert-Huang Transform (HHT) to predict the frequency of random waves and controls the motor according to the predicted frequency, enabling the wave energy power generation device to resonate with the waves to obtain the maximum power.

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Saari, Peeter, and Ioannis M. Besieris. "Energy Backflow in Unidirectional Monochromatic and Space–Time Waves." Photonics 11, no. 12 (2024): 1129. http://dx.doi.org/10.3390/photonics11121129.

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Backflow, or retropropagation, is a counterintuitive phenomenon whereby for a forward-propagating wave the energy locally propagates backward. In the context of backflow, physically most interesting are the so-called unidirectional waves, which contain only forward-propagating plane wave constituents. Yet, very few such waves possessing closed-form analytic expressions for evaluation of the Poynting vector are known. In this study, we examine energy backflow in a novel (2+time)-dimensional unidirectional monochromatic wave and in a (2+1)D spatiotemporal wavepacket, analytic expressions which w

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Kaihatu, James, and Hoda M. El Safty. "SPECTRAL DESCRIPTION OF ENERGY DISSIPATION IN BREAKING WAVE GROUPS." Coastal Engineering Proceedings 1, no. 32 (2011): 19. http://dx.doi.org/10.9753/icce.v32.waves.19.

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The dissipation characteristics of laboratory breaking wave groups and random waves are studied. A time-domain eddy viscosity model is used to represent the breaking wave, and the instantaneous dissipation time series deduced from measurements of free surface elevation. Fourier series of these time series yields the dissipation rate as a function of frequency, the frequency dependence of which has been shown to be the inverse of that of the spectral density of free surface elevation for random waves. It is shown that the inverse relationship between the dissipation rate and the free surface sp

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DORIA IRIARTE, JOSE JAVIER, and IÑIGO DORIA ELEJOSTE. "A NEW THEORY ON OCEAN WAVE MECHANICS AND ITS APLICATION IN ENERGY POWER GENERATION." DYNA 96, no. 3 (2021): 276–80. http://dx.doi.org/10.6036/9931.

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We provide here a theoretical solution to the calculation of wave power generation possibilities, showing that the energy and other parameters of each wave are a function exclusively of its height. The numerical result obtained is compatible with the most used formulations. All authors cited, offer oversimplified formulas for complicated wave power and energy calculations in contrast with our very simple, coherent and innovative formulas, treating each wave individually and assuming the same sinusoidal profile, without wind and ocean currents. The sand waves, or ripple marks, generation is des

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Xu, Dali, Zhiliang Lin, Shijun Liao, and Michael Stiassnie. "On the steady-state fully resonant progressive waves in water of finite depth." Journal of Fluid Mechanics 710 (September 7, 2012): 379–418. http://dx.doi.org/10.1017/jfm.2012.370.

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AbstractThe steady-state fully resonant wave system, consisting of two progressive primary waves in finite water depth and all components due to nonlinear interaction, is investigated in detail by means of analytically solving the fully nonlinear wave equations as a nonlinear boundary-value problem. It is found that multiple steady-state fully resonant waves exist in some cases which have no exchange of wave energy at all, so that the energy spectrum is time-independent. Further, the steady-state resonant wave component may contain only a small proportion of the wave energy. However, even in t

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Tang, Huai-Gu, Bing-Shou He, and Hai-Bo Mou. "P- and S-wave energy flux density vectors." GEOPHYSICS 81, no. 6 (2016): T357—T368. http://dx.doi.org/10.1190/geo2016-0245.1.

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The conventional energy flux density vector indicates the propagation direction of mixed P- and S-wave wavefields, which means when a wavefront of P-wave encounters a wavefront of S-wave with different propagation directions, the vectors cannot indicate both directions accurately. To avoid inaccuracies caused by superposition of P- and S-waves in a conventional energy flux density vector, P- and S-wave energy flux density vectors should be calculated separately. Because the conventional energy flux density vector is obtained by multiplying the stress tensor by the particle-velocity vector, the

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ONO, Koshi, and Ayumi SARUWATARI. "ENERGY BALANCE FOR WAVES AROUND AN OWC WAVE ENERGY CONVERTER." Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM)) 72, no. 2 (2016): I_575—I_582. http://dx.doi.org/10.2208/jscejam.72.i_575.

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Sun, Chongfei, Zirong Luo, Jianzhong Shang, Zhongyue Lu, Yiming Zhu, and Guoheng Wu. "Analysis of Wave Energy and Energy Storage Characteristics of Wave Energy Converters." IOP Conference Series: Materials Science and Engineering 394, no. 4 (2018): 042119. http://dx.doi.org/10.1088/1757-899x/394/4/042119.

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Göteman, Malin, Cameron McNatt, Marianna Giassi, Jens Engström, and Jan Isberg. "Arrays of Point-Absorbing Wave Energy Converters in Short-Crested Irregular Waves." Energies 11, no. 4 (2018): 964. http://dx.doi.org/10.3390/en11040964.

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For most wave energy technology concepts, large-scale electricity production and cost-efficiency require that the devices are installed together in parks. The hydrodynamical interactions between the devices will affect the total performance of the park, and the optimization of the park layout and other park design parameters is a topic of active research. Most studies have considered wave energy parks in long-crested, unidirectional waves. However, real ocean waves can be short-crested, with waves propagating simultaneously in several directions, and some studies have indicated that the wave e

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