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- Conference Paper:
Gambuzza et al.
… predictable energy sources that could prove fundamental to the transition to a sustainable use of renewable energy resources. Over a tidal period, changes in the flow speed in a tidal channel … loads has recently been formulated and demonstrated with low-order simulations (https://doi.org/10.1016/j.renene.2021.10.085) and measurements … turbine. Two different design concepts have been tested in the FloWave facility at the University of Edinburgh and in the recirculating channel at the Institute for Marine Engineering …
- Conference Paper:
Liu et al.
… where only a 120 ◦ wedge domain with a single blade is resolved in a non-inertial frame of reference. We undertake a detailed uncertainty analysis to identify the sources of error. BEM uncertainty is computed with a Monte-Carlo approach based on the differences in the predictions of CFD and Xfoil for the sectional lift and drag coefficients,while CFD uncertainty is based on …
- Conference Paper:
Ohana et al.
… One of the main goals of the EU H2020 MaRINET2 project is to improve the quality, robustness and … paper describes the tests on a wave energy converter model carried out in the wave tanks of University of Plymouth, University College Cork, University of Edinburgh and Centrale Nantes. This deep water device selected by the partners is a two-body …
- Conference Paper:
McMillan et al.
… use tank experiments and numerical simulations to assess the power and loading performance of a turbine. However, it remains unclear if these controlled flows can be accurately scaled up … Evaluation And Measurement (InSTREAM) project. The three-year project included the development of a sensor system that combined acoustic (Doppler), and non-acoustic (electro-magnetic and shear … deployed at the FloWave Ocean Energy Research Facility and in the Minas Passage, Bay of Fundy. The measurements from both the lab and the field were then used to perform numerical …
- Conference Paper:
Townley et al.
… As the tidal stream energy sector develops, reducing the Levelised Cost of Energy (LCOE) is essential to sustain commercialisation. Modular multi-rotor foundations, with … lift weight, in turn reducing the device Operational Expenditure (OpEx). With the introduction of modular, multi-rotor foundations, the wake-induced impacts that these structures have on … device concept. The presented work aims to determine the broader magnitude and severity of the loads and establish a robust methodology to be followed with further high-fidelity …
- Conference Paper:
Payne et al.
… results are presented for a non-intrusive optical wave gauge based on the principle of optical triangulation. In the proposed implementation, a LASER source beaming vertically downwards generates a spot of scattered light at the water surface. The spot is imaged by an off-axis video camera, and instantaneous wave height measurements are obtained by processing of the spot images. The spot position on the image is then transformed into a height value using …
- Conference Paper:
Martinez et al.
… the influence different marine research facilities have on the loading and performance of a generic tidal turbine model, a set of Round Robin Tests is undertaken under the MaRINET2 project. These tests are performed in two … These differences are attributed to intrinsic characteristics (e.g. turbulence intensity) of each facility and blockage effects. Relative standard deviation values increase for TSR lower …
- Conference Paper:
Mueller et al.
… off eliminates the need for a mechanical interface to match the low speed reciprocating motion of a wave device to high speed rotational motion of conventional electrical generators. However, direct drive generators are physically large and … is challenging for the structural and bearing design. An air-cored machine solves the issue of magnetic attraction forces, which will benefit the mechanical design. The performance of an …
- Conference Paper:
Magagna et al.
… This paper focuses on the development of the ocean energy sector, identifying the necessary steps that are required in order to facilitate the development and deployment of ocean energy technologies towards the formation of a viable and successful industry. The paper presents recommendations, which represent a key …
- Conference Paper:
Ogden et al.
… Numerical modelling of wave energy converters (WECs) can provide insights into device performance at an early stage and help de-risk projects before progressing to more advanced, costlier stages of development. Several software packages have been made available for this purpose in recent years. However, the lack of design convergence in the wave energy industry, with its wide range of working principles and …
- Conference Paper:
Kenny and Findlay
… Condition monitoring systems (CMS) in renewable energy devices allow for the detection of oncoming faults, providing data to undertake pre-emptive maintenance. By defining a systems functional re-quirements and identifying of critical failure modes, proactive maintenance strategies to be produced. The lack of operational data in the marine energy industry, and lack of consensus in operating principles …
- Conference Paper:
Stratigaki et al.
… extract energy from ocean waves and have the potential to produce a significant contribution of electricity from renewable sources. However, large "WEC farms" or "WEC arrays" are expected to have "WEC array effects", expressed as the impact of the WECs on the wave climate at an installation site, as well as on the overall power absorption of the WEC array. Experiments have been performed in the Shallow Water Wave Basin of DHI …
- Conference Paper:
Allsop et al.
… Oscillating Water Column (OWC) wave energy converter. The tests (at approximately 1:5 to 1:9 of full scale) measured wave loads, water column movements, air pressures and air flows through a number of orifices simulating turbine losses, including full closure. The tests will provide unique …
- Conference Paper:
Quevedo et al.
… - which have been designed to show the synergies and compatibilities among the platform uses of Transport, Energy, Aquaculture and Leisure - are presented. … …
- Conference Paper:
Pontes et al.
… The aim of this paper is to review the sources of wind and wave information, the methodologies to assess offshore wind and wave energy … resources, and the more relevant results at the European level as a first step to integration of the evaluation of both resources. In situ and remote sensed wind and wave data (using …
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