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Development of a novel wave energy converter based on hydrodynamic lift forces

Project description

Preparing for the commercial development of wave energy

Oceans represent a significant, predictable resource for renewable energy. The main forms of ocean energy are waves, tides, marine currents, salinity gradient and temperature gradient. While wave and tidal energy are the most mature technologies, the commercially viable extraction of energy from ocean waves has yet to be achieved. The EU-funded LiftWEC project focuses on the development of LiftWEC, a novel type of wave energy converter. Specifically, it will develop a new concept based on the exploitation of lift forces generated by wave-induced water velocities. Current concepts need to couple through diffraction or buoyancy forces, but this new approach will use lift forces (as opposed to the traditional buoyancy). In addition, the LiftWEC concept has the advantage that the motion can be unidirectional, which significantly simplifies the extraction of energy.

Objective

This proposal is for the development of a novel wave energy converter whose primary coupling with the waves is through hydrodynamic lift forces. The objective is to determine the potential of this concept to produce renewable energy at a commercially competitive price whilst ensuring a minimal environmental/social impact. This will be achieved by a combination of numerical/physical modelling and desk-based studies of the structural design, the operational & maintenance requirements and the environmental/social impacts of the technology. The numerical/physical modelling will demonstrate the concept’s performance, thereby taking the concept to TRL4, whilst the desk-based studies will allow the socially-acceptable commercial potential to be determined.

Wave energy is one of the few untapped sources of renewable energy that could make a significant contribution to the future energy system. However, a study of the literature and a patent search indicates that of the hundreds of concepts that have been developed only four couple to the waves through lift forces, whilst the rest couple through diffraction or buoyancy forces. However, coupling through lift forces has the significant advantage of reducing extreme loads (by reducing the circulation like a wind turbine) which facilitates survivability, and produces unidirectional rotation, which simplifies power extraction. Unfortunately, none of the current lift-based ave energy concepts have a high efficiency in all sea-states due to difficulties in maintaining a good lift-to-drag ratio. The novel ideas in this proposal are designed to achieve this and thus enable the commercial development of wave energy and the acceleration of clean energy solutions.

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Topic(s)

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Funding Scheme

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RIA - Research and Innovation action

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Call for proposal

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(opens in new window) H2020-LC-SC3-2018-2019-2020

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Coordinator

THE QUEEN'S UNIVERSITY OF BELFAST
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 621 100,00
Address
UNIVERSITY ROAD LANYON BUILDING
BT7 1NN BELFAST
United Kingdom

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Region
Northern Ireland Northern Ireland Belfast
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 621 100,00

Participants (11)

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