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- Conference Paper:
Neumann et al.
The 400 kW Pico OWC plant was built in 1995-1998 with support from the European Commission and co-funding from EDP (Electricidade de Portugal) and EDA (Electricidade dos Açores), respectively the national and regional utilities. Instituto Superior Técnico (IST), Lisbon was responsible for the conception and basic engineering studies of this plant and co-ordinated the project. The plant is a…
- Journal Article:
Calvino et al.
A prediction model for the turbulent kinetic energy (TKE) induced by tidal-currents is proposed as a function of the barotropic velocity only, along with a robust method evaluating the different parameters involved using Acoustic Doppler Current Profiler (ADCP) measurements from Alderney Race. We find that the model is able to reproduce correctly the TKE profiles with coefficients of…
- Report:
Kempener and Neumann
Process and Technology Status – Ocean Thermal Energy Conversion (OTEC) technologies use the temperature difference between warm seawater at the surface of the ocean, and cold seawater at between 800–1000 metres (m) depth to produce electricity. The warm seawater is used to produce a vapour that acts as a working fluid to drive turbines. The cold water is used to condense the vapour and ensure…
- Journal Article:
Rusu
The present work aims to evaluate the wave energy resources in the Black Sea basin. The study is focused on the western part of the sea, which is traditionally considered as being more energetic. In order to give a first perspective of the wave climate, a medium-term wave analysis was carried out using in situ measured data. As a further step, a wave prediction system was implemented for the…
- Journal Article:
Beyer and Simonsen
… harnessing tidal streams in the MW scale have started commercial operation after a year-long test (OES 2019). Tidal stream flows have – as compared to other renewable energy flows - a …
- Journal Article:
Rosa-Santos et al.
Sea ports are infrastructures with substantial energy demands and often responsible for air pollution and other environmental problems, which may be minimized by using renewable energy, namely electricity harvested from ocean waves. In this regard, a wide variety of concepts to harvest wave energy are available and some shoreline technologies are already in an advanced development phase. The …
- Conference Paper:
Waseda et al.
Epistemic uncertainties of wave power estimation based on spectral wave model were assessed utilizing the community wave model WW3 of NOAA. A four tiered nested model was constructed covering the Pacific Ocean, the sea around Japan, the North-Eastern Japan and Kamaishi regional model at 100km, 10km, 1km and 100m resolutions respectively. The sensitivity of the model output to four wind…
- Journal Article:
Mota and Pinto
An assessment of nearshore wave energy resource along the Portuguese coast is presented, focusing on identify appropriate locations for testing and developing Wave Energy Converter (WEC) for commercial exploit. The analysis covers the whole west seaside, to which a partition defined by 7 linear sections parallel to the coastline at 50 m depth was considered. Available wave energy at each…
- Journal Article:
Manasseh et al.
The history of ocean renewable energy developments in Australia is reviewed. A layperson’s description of the physical operating principle is given for the main classes of technology that have been tested in Australian waters. The Australian marine domain possesses among the world’s most energetic wave-energy resources, driven by powerful mid-latitude westerly winds. The northern coast of…
- Journal Article:
Wittmann et al.
The Energyhub@Sea concept is one of the four research applications of the Space@Sea project funded by the EU’s Horizon 2020 research program (GA number: 774253). The focus of this paper is the evaluation of the energy demands of an energy self-sufficient maintenance platform at the location of Helgoland in the North Sea. In view of this, a standardized modular floater was developed as an…
- Journal Article:
Kardakaris et al.
… fractal and long-range dependence behaviors both apparent at the wind wave process. To test the validity of the model, a stochastic synthesis of the wind wave process is performed …
- Journal Article:
Zarzuelo et al.
… tidal propagation and energy dissipation along the bay constriction and to calibrate and test the numerical model. The results indicate that the presence of the constriction transformed …
- Journal Article:
Sentchev and Yaremchuk
The tidal circulation in the semi-enclosed Boulogne harbour (eastern English Channel) is measured during the various stages of the tidal cycle with a low-cost towed Acoustic Doppler Current Profiler (ADCP) system for the first time. The system is equipped with an interpolation algorithm which allows reconstructing space-time evolution of the velocity field for surveys whose duration is…
- Conference Paper:
Hongto et al.
Offshore wind and waves are classified as major marine renewable energy sources. A reliable assessment of wind and wave energy resources is important to study over the Gulf of Thailand (GoT) and Andaman Sea (ADS). In this study, the surface wind and wave heights were used to investigate the offshore wind and wave energy resources over the GoT and ADS. Alternative methods for the assessment of…
- Journal Article:
Wimalaratna et al.
The facts are that increasing energy demand, depletion of fossil fuel, and greenhouse gas emissions have increased the world's interest in renewable energy. Out of all RE options, Wave Energy (WE) is the least harnessed one despite the availability of WE Resource (WERs) in many countries and with the potential to cover a significant proportion of the world's energy needs.…
- Conference Paper:
Martinez-Iturricastillo et al.
This study examines the trend in wave parameters over available annual records in the Bay of Biscay, where EWTEC 2023 is being hosted. There have been various renewable offshore energy projects in the 21st century in this region, such as the OWC (Oscillating Water Column) plant in Mutriku [1], or BiMEP (Biscay Marine Energy Platform) [2], the infrastructure for testing ocean devices in…
- Journal Article:
Sutherland et al.
… Initially, side channels are closed off so that the flow is forced through one channel to test the validity of a general analytic theory [1] with numerical results. In this case, the …
- Journal Article:
Fairley et al.
Better understanding of the global wave climate is required to inform wave energy device design and large-scale deployment. Spatial variability in the global wave climate is analysed here to provide a range of characteristic design wave climates. K-means clustering was used to split the global wave resource into 6 classes in a device agnostic, data-driven method using data from the ECMWF ERA5…
- Journal Article:
Foteinis
Existing wave energy technology has been designed for ocean waves, which, however, shorten the lifespan of wave energy converters and mooring systems. Furthermore, commissioning and maintenance in the harsh ocean conditions are challenging and expensive. For wave energy technology to realise its full potential and become commercially attractive, smaller, more economical, and resilient…
- Conference Paper:
Colmenares-Quintero et al.
AQUATIC renewable energy is an emerging technology with great applicability in coastal areas and communities with high water resource potential. [1] explains that there are not yet mature standards and guidelines for the development and testing of these devices, however, marine energy is a complex sector that encompasses a wide landscape of energy solutions. In the same vein, [2] argues that…
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