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Mohammad Rashed Mia, Ming Zhao, Helen Wu, Vatsal Dhamelia and Pan Hu
A floating oscillating water column (OWC) wave energy converter (WEC) supported by mooring lines can be modelled as an elastically supported OWC. The main objective of this paper is to investigate the effects of the frequency ratio on the performance of ...
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R. Gayathri, Jen-Yi Chang, Chia-Cheng Tsai and Tai-Wen Hsu
An oscillating water column (OWC) is designed for the extraction and conversion of wave energy into usable electrical power, rather than being a standalone renewable energy source. This review paper presents a comprehensive analysis of the mathematical m...
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Jeong-Seok Kim, Bo Woo Nam, Kyong-Hwan Kim, Sewan Park, Seung Ho Shin and Keyyong Hong
In this study, a time-domain numerical method based on three-dimensional potential flow was developed to analyze the hydrodynamic characteristics of an inclined oscillating-water-column (OWC) wave energy converter (WEC). A finite element method was appli...
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Alana Pols, Eric Gubesch, Nagi Abdussamie, Irene Penesis and Christopher Chin
This investigation focuses on the modelling of a floating oscillating water column (FOWC) wave energy converter with a numerical code (ANSYS AQWA) based on potential flow theory. Free-floating motions predicted by the numerical model were validated again...
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Remo Cossu, Craig Heatherington, Irene Penesis, Ryan Beecroft and Scott Hunter
We present findings from a geotechnical survey for a gravity-based Wave Energy Converter (WEC) to be installed in King Island, Tasmania. The goal of this work was to assess the deployment location for a 200 kW Oscillating Water Column (OWC) and to identi...
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Pierre Benreguig and Jimmy Murphy
Air compressibility effects play an important role in large-scale Oscillating Water Column (OWC) wave energy converters. Air compressibility is however not scalable with Froude similarity law. An existing scaling method enables correctly reproducing the ...
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Pierre Benreguig, Miguel Vicente, Adrian Dunne and Jimmy Murphy
The Tupperwave device is a wave energy converter based on the Oscillating Water Column (OWC) concept. Unlike conventional OWC devices, which are opened to the atmosphere, the Tupperwave device works in closed-circuit and uses non-return valves and accumu...
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Rafael Pereira Maciel, Phelype Haron Oleinik, Elizaldo Domingues Dos Santos, Luiz Alberto Oliveira Rocha, Bianca Neves Machado, Mateus das Neves Gomes and Liércio André Isoldi
In this work, we conducted a numerical analysis of an oscillating water column (OWC) wave energy converter (WEC) device. The main objective of this research was to conduct a geometric evaluation of the device by defining an optimal configuration that max...
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Carlos Pérez-Collazo, Deborah M. Greaves and Gregorio Iglesias
During the last decade jacket-frames have emerged as the main kind of substructure for bottom-mounted offshore wind farms in intermediate water depths. With the offshore wind industry moving towards deeper waters, the predominance of jacket-frames is exp...
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Dimitrios N. Konispoliatis
The present study explores the performance of an array of cylindrical oscillating water column (OWC) devices, having a vertical symmetry axis, placed in front of a bottom seated, surface piercing, vertical breakwater. The main goal of this study is the i...
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Nugmanov Said,Timur Arturovich Khudaybergenov,Cha JaeSang
Smart devices are coming to our world and become a part of modern life for many people regardless of gender, ethnicity, social status, and working sphere. This paper introduces the perspectives and possibilities of using Optical Wireless Communication (O...
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Hsien Hua Lee, Guan-Fu Chen and Hsiang-Yu Hsieh
This study is focused on the wave energy converter of an oscillating water column (OWC) system that is integrated with a jacket type infrastructure applied for an offshore wind turbine system. In this way, electricity generation by both wind power and wa...
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Nerea Portillo Juan, Vicente Negro Valdecantos, M. Dolores Esteban and José Santos López Gutiérrez
Wave energy is one of the most powerful sources of energy on our planet, but its exploitation is difficult. Much current research on renewable energy is focused on how to harness ocean energy. However, wave energy converter (WEC) technology is still imma...
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Hsien Hua Lee, Thung-Yeh Wu, Chung-You Lin and Yung-Fang Chiu
In this study, an alternative way, a so called caisson based type of oscillating water column (OWC) wave energy converting system was proposed to capture and convert wave energy. Since the caisson structure is constructed to protect the coastal line or p...
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Fares M?zoughi, Izaskun Garrido, Aitor J. Garrido and Manuel De La Sen
The Harmony Search algorithm has attracted a lot of interest in the past years because of its simplicity and efficiency. This led many scientists to develop various variants for many applications. In this paper, four variants of the Harmony search algori...
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Israel A. Olaoye, Remegio B. Confesor, Jr. and Joseph D. Ortiz
The separate and synergistic effects of land use and climate change on water quality variables in Old Woman Creek (OWC) watershed were evaluated using a hydrological model set up in Soil and Water Assessment Tool (SWAT) for the OWC watershed. Model calib...
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Luca Martinelli, Paolo Pezzutto and Piero Ruol
This note presents the Seabreath wave energy converter, basically a multi-chamber floating oscillating water column device, and the lumped model used to size its chambers, the ducts and the turbine. The model is based on extensive testing carried out in...
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Thomas Kelly, Thomas Dooley, John Campbell and John V. Ringwood
Combining offshore wind and wave energy converting apparatuses presents a number of potentially advantageous synergies. To facilitate the development of a proposed floating platform combining these two technologies, proof of concept scale model testing o...
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Fengmei Jing, Song Wang, Zhiqun Guo and Yurui Ni
Air-cushion-assisted platforms (ACAPs) are floating platforms supported by both buoyancy pontoon and air cushion, which have merits of wave bending moment reduction, better stability, and hydrodynamic performance. However, there is barely a concise metho...
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