The oscillatory free water surface motion inside OWC chamber for wave energy conversion

Barakaz, Abdelhamid El; Marjani, Abdellatif El

doi:10.1109/irsec.2016.7983976

Cited by 6 publications

(5 citation statements)

References 8 publications

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“…(Falcão & Henriques, 2016) Prinsip pemasangan perangkat WEC ini dapat di dasar laut (terendam) atau terapung di atas permukaan laut. (Barakaz & Marjani, 2021).…”

Section: Sistem Chanellunclassified

Potensi Pemanfaatan Gelombang Laut Menjadi Tenaga Listrik Dengan Metoda Oscillating Water Column di Pulau Bawean Gresik

Sidik,

Sinaga

2023

J. En. Baru & Terbarukan

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Pulau Bawean yang terletak di laut jawa yang berjarak 120 km sebelah utara Gresik. Kebutuhan energi listrik di Pulau Bawean diperoleh dari Pembangkit Listrik Tenaga Diesel akan tetapi masih ada beberapa desa yang belum dialiri listrik. Keterlambatan suplai bahan bakar solar dikarenakan ombak yang besar juga merupakan permasalahan yang dialami oleh PLTD di Pulau Bawean. Melihat permasalahan tersebut, maka makalah ini akan membahas mengenai analisis dan perhitungan potensi pemanfaatan gelombang laut yang di konversi menjadi energi listrik dengan menggunakan metoda Oscillating Water Column di perairan Pulau Bawean Gresik. Metode ini dipilih karena sudah ada prototype di Pantai Baron yogyakarta dan output ini lebih stabil dan sesuai dengan wilayah perairan Pulau Bawean. Dari hasil perhitungan daya didapatkan daya yang terkecil dihasilkan di bulan April dan Maret sebesar 4,869.91 Watt sementara di bulan Juli-Agustus dan Nopember – Desember sebesar 272,236.17 Watt. PLTGL dengan metoda Oscillating Water Column di perairan Pulau Bawean dapat memberikan kontribusi daya listrik untuk kurang lebih 325 rumah nelayan sederhana pada kondisi pembangkitan maksimum dan efisiensi sebesar 11,971 %.Kata Kunci: Oscillating Water Column (OWC), Potensi Gelombang Laut, Energi Listrik.

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“…(Falcão & Henriques, 2016) Prinsip pemasangan perangkat WEC ini dapat di dasar laut (terendam) atau terapung di atas permukaan laut. (Barakaz & Marjani, 2021).…”

Section: Sistem Chanellunclassified

Potensi Pemanfaatan Gelombang Laut Menjadi Tenaga Listrik Dengan Metoda Oscillating Water Column di Pulau Bawean Gresik

Sidik,

Sinaga

2023

J. En. Baru & Terbarukan

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“…Mutriku station is the only commercially powered OWC station in the world now. This system consists of two main components: a concrete chamber and a turbine generator set that converts wave energy into electricity [12]. A partially submerged structure is constructed, where the trapping of air above the surface of the free air depends on the submerged part under the surface of the water, the air moves within the inner surface according to the oscillating movement of water that drives the turbines placed across it.…”

Section: Technology Owcmentioning

confidence: 99%

Investigate Air Well Turbines Performance for Power Generation by Tidal Waves in River

F.Sharif,

Mahmoud,

AL-Maskari

2023

NJES

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The phenomenon of climate change resulting from the increase of global warming has become one of the main problems facing the world. Where researchers and specialists have worked for many years to find a solution that reduces this phenomenon and limits its risks. It is likely that clean energy is an alternative to fossil fuel sources, which are the main source of global warming. One of the clean energy sources is ocean wave energy, which is a huge and untapped energy source, despite the possibility of extracting large energy from waves. This paper focuses on the study of deep-sea turbines and their results. A study was conducted on the capture chamber. Where this paper presents an experimental model of a water tank with certain dimensions in the university laboratories to describe the dynamic behavior of the capture chamber. The Froude number scale was used to model the dimensions and depth of the water as well as the wave properties. Through experimental work and its results show, and it was found that the power generated by the motion of the wave strength is related to the height and frequency of the wave.

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“…where m is the air mass (kg) that enters and leaves the chamber. Considering wind energy, the wind power is calculated, utilizing the following equation [40]:…”

Section: Chamber Modelmentioning

confidence: 99%

Simulation and Characteristics Analysis of On-Shore OWC System Proposal as Distributed Generation Resource Considering the Irregular Wave Interaction

López-Leyva¹,

Barrera-Silva²,

Sarmiento-Leyva³

et al. 2021

Electronics

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This article presents the simulation and characterization of an on-shore oscillating water column (OWC) system as part of a distributed generation network considering the irregular interaction of sea waves. The main issue is the adequate calculation of the power generated considering the real variations of the sea waves, employing the stochastic analysis of the wave height and period. The characterization of the wave height was carried out using the Fisher-Tippett Type 1 function, and for the wave period, an empirical probability density function to obtain the instantaneous and accumulated power in an annual period. A basic on-shore OWC system was proposed with different physical dimensions. The theoretical and numerical results present a very similar performance for both turbines (600 W and 25 kW) analyzed. Regarding the 600 W turbine, the resulting accuracy is ≈94.5%, which implies that the annual generated power is 3.13 ± 1.02 MWh/year and the overall efficiency is 23.51% ± 1.9%. However, due to the reduced power generated, the chamber dimensions were modified, achieving 160.61 ± 9.99 MWh/year with an accuracy of ≈93.2%, based on an installed power capacity proposal using a 25 kW turbine. Also, the average overall efficiency for both turbines considering the irregular wave interaction is ≈23.5% and ≈21.1% for 600 W and 25 kW turbines, respectively.

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The oscillatory free water surface motion inside OWC chamber for wave energy conversion

Cited by 6 publications

References 8 publications

Potensi Pemanfaatan Gelombang Laut Menjadi Tenaga Listrik Dengan Metoda Oscillating Water Column di Pulau Bawean Gresik

Potensi Pemanfaatan Gelombang Laut Menjadi Tenaga Listrik Dengan Metoda Oscillating Water Column di Pulau Bawean Gresik

Investigate Air Well Turbines Performance for Power Generation by Tidal Waves in River

Simulation and Characteristics Analysis of On-Shore OWC System Proposal as Distributed Generation Resource Considering the Irregular Wave Interaction

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