Results 11 to 20 of about 2,874 (197)

Hydrodynamic performance of a multi-Oscillating Water Column (OWC) platform

Applied Ocean Research, 2020
A rectangular barge consisting of multiple oscillating water columns (OWCs) is considered in this paper, hereinafter referred to as a multi–OWC platform. Each OWC chamber is enclosed by two partially submerged vertical walls and the deck of the platform.
Zheng, Siming (author), Antonini, A. (author), Zhang, Yongliang (author), Miles, Jon (author), Greaves, Deborah (author), Zhu, Guixun (author), Iglesias, Gregorio (author)   +6 more
openaire   +7 more sources

Performance of dual‐chamber oscillating water column device under irregular incident waves using Reynolds averaged Navier–Stokes model

Engineering Reports
The purpose of this study is to analyze the hydrodynamic performance and efficiency of a dual‐chamber oscillating water column (OWC) device. For the Joint North Sea Wave Project (JONSWAP) incident waves spectrum, a two dimensional numerical wave tank is ...
Santanu Koley, Parothidil Anjusree Krishnan, Amya Ranjan Ray, Artem Krasovsky   +3 more
doaj   +2 more sources

High-Performance Dielectric Elastomer Nanogenerator for Efficient Energy Harvesting and Sensing via Alternative Current Method. [PDF]

Adv Sci (Weinh), 2022
An optimized approach toward high output performance for the dielectric elastomer generator without the need for external power supply. Based on the alternating model, the maximum charge density and the maximum energy density can reach 26 mC m−2 and 140 mJ g−1 per mechanical cycle.
Xu Z, Bao K, Di K, Chen H, Tan J, Xie X, Shao Y, Cai J, Lin S, Cheng T, E S, Liu K, Wang ZL, Wang ZL.   +13 more
europepmc   +2 more sources

Effect of wall inclination on the dynamic behaviour of an oscillating water column system [PDF]

MATEC Web of Conferences, 2020
The Oscillating Water Column device (OWC) is one of the most used Wave Energy Converters (WECs) for wave energy harvesting. It consists essentially of two parts: the pneumatic chamber made of concrete and the bidirectional turbine linked to a generator ...
El Barakaz Abdelhamid, El Marjani Abdellatif, Mounir Hamid   +2 more
doaj   +1 more source

Effect of Internal Fluid Resonance on the Performance of a Floating OWC Device

한국해양공학회지, 2021
In the present study, the performance of a floating oscillating water column (OWC) device has been studied in regular waves. The OWC model has the shape of a hollow cylinder.
Il Hyoung Cho
doaj   +1 more source

Wave generation in an OWC system for wave energy conversion [PDF]

MATEC Web of Conferences, 2020
This paper aims to present an overview on the wavemakers used to generate waves inside a numerical wave tank taking into consideration the biphasic air-water aspect of the incident wave. Wave markers are used to simulate the flow dynamic behaviour in the
Hafsa Bouhrim, Abdellatif El Marjani, Mounir Hamid   +2 more
doaj   +1 more source

Refleksi Gelombang Pada Pemecah Gelombang Tipe OWC (Oscillating Water Column)

Zona Laut Jurnal Inovasi Sains Dan Teknologi Kelautan, 2023
Breakwater berfungsi sebagai struktur pelindung pantai, penting suatu inovasi untuk merancang model breakwater yang mampu menjalankan fungsi ganda sebagai penangkap energi gelombang. Untuk mendapatkan pemahaman yang lebih mendalam tentang refleksi gelombang yang dipengaruhi oleh kemiringan slope dan lubang inlet pada model breakwater tipe OWC ...
Sugianto Sugianto, Rita Tahir Lopa, Riswal Karamma, Chairul Paotonan   +3 more
openaire   +1 more source

Comparison of the performance of oscillating water column devices based on arrangements of water columns

Journal of Mechanical Engineering and Sciences, 2020
The hydrodynamic performance of oscillating water column (OWC) depends on the depth of the water, the size of the water column and its arrangement, which affects the oscillation of the water surface in the column. An experimental method was conducted by
Jahirwan Ut Jasron, Sudjito Soeparmani, Lilis Yuliati, Djarot B. Darmadi   +3 more
doaj   +1 more source

An Overview of the Oscillating Water Column (OWC) Technologies: Issues and Challenges

Journal of Basic & Applied Sciences, 2022
There is a vast amount of energy available in ocean waves which can contribute to provide the electricity supply specially for countries surrounded by the ocean. This paper provides background knowledge in different techniques to harness the kinetic and potential energy in wave power along with an overview of the recent developments in Oscillating ...
Khaleghi, S, Lie, TT, Baguley, C
openaire   +2 more sources

Direct‐Drive wave energy conversion with linear generator: A review of research status and challenges

IET Renewable Power Generation, Volume 17, Issue 4, Page 1020-1034, 16 March 2023., 2023
Abstract Ocean wave energy is sustainable and renewable energy, wave energy conversion (WEC) effectively solves the disadvantage of traditional power system with fossil energy. WEC system is the power generation process that converts wave kinetic energy of undulation and swing into electric energy, and direct‐drive WEC system (D‐DWEC) converts wave ...
Jing Zhang, Haitao Yu, Minshuo Chen
wiley   +1 more source