Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 222 for “"Wave Energy"”.
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Wave energy resource assessment
… altimeter data for spatial mapping of the wave resource is examined.<br/>A new algorithm for estimating wave period from altimeter data is developed and<br/>validated, which enables estimates of wave energy converter (WEC) power to be<br/>derived. Maps of the long-term mean WEC power from …
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Wave Energy Extraction from buoys
Different types of Wave Energy Converters currently tested or under development are using the vertical movement of floating bodies to generate electricity. For commercial applications, arrays have to be considered in order to produce a significant power. In this thesis, we investigate the …
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Conceptual design of wave energy converters
… presenting a vast opportunity as a renewable energy resource, ocean wave energy has yet to gain commercial success due to the design space being divergent. To facilitate convergence, this dissertation has proposed a method using the mechanical circuit framework to transform a linear …
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Wave Energy Extraction and Coastal Protection
… and efforts related to a growing marine energy conversion sector, this study presents work aimed to enhance the understanding of wave resource characterisation for high and medium energy sites in Scottish waters.<br/>Results obtained through numerous field data campaigns over a 7 year …
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Optimal control of wave energy converters
Wave Energy Converters (WECs) are devices designed to absorb energy from ocean waves. The particular type of Wave Energy Converter (WEC) considered in this thesis is an oscillating body; energy conversion is carried out by means of a structure immersed in water which oscillates under forces exerted …
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Robust optimization framework for wave energy converters
L'abstract è presente nell'allegato / the abstract is in the attachment
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Modelling Controlled Arrays of Wave Energy Converters
… the great potential resource, the utilization of wave energy for electricity production can make a signi�cant contribution to the renewable energy portfolio of coastal nations such as Ireland and the UK. There are, however, many challenges that must be overcome in order for wave energy to be …
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Novel Concrete Reinforcement for Wave Energy Converters
… of novel concrete reinforcement for the wave energy converters. The reinforcement included fibre-reinforced polymer (FRP), synthetic fibres, steel fibres and ultra-high-molecular-weight polyethylene (UHMWPE). 24 cube specimens were tested using a pull-out test where no splitting was …
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Feasibility of combined wind-wave energy platforms
… set out an ambitious 20% target for renewable energy use by 2020. It is expected that this will be met mainly by wind energy. Looking towards 2050, reductions in greenhouse gas emissions of 80-95% are to be sought. Given the issues securing this target in the transport and agriculture sectors, …
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Analytical Modeling of a Heaving Wave Energy Converter
A broad review of wave power is offered, covering its history as well as the gaps and barriers in its development. The cost of wave power commercialization is identified to be a major challenge, driving the need to prioritize and structure theoretical efforts in order to find a focus area for the …
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Mooring lines analysis and design for wave energy converters
Soon, wave energy converters will be anchored in several offshore locations for extended periods of time, where high wave energy exist. These devices moored in such areas experience continuous dynamic loads exerted mainly by colliding waves. Therefore, their mooring system is a fundamental …
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High–fidelity numerical modelling of ocean wave energy converters
The exploitation of ocean wave energy as a renewable energy source is a challenging task. However, once economically viable, wave energy can make a significant contribution to the global renewable energy mix and, thereby, aid the fight against climate change. To support this action, researchers and …
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Energy storage systems for wave energy converters and microgrids
The thesis initially gives an overview of the wave industry and the current state of some of the leading technologies as well as the energy storage systems that are inherently part of the power take-off mechanism. The benefits of electrical energy storage systems for wave energy converters are then …
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Design and optimization of a turbine for wave energy converters
El desarrollo de fuentes de energía eléctrica renovables y no contaminantes es una prioridad en los países preocupados por el cambio climático y la contaminación. Precisamente, la energía oceánica es una de las mejores candidatas gracias a su gran potencial, asociado a la gran cantidad de …
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Hydrodynamic excitation force estimation and forecasting for wave energy applications
Ocean waves represent a significant energy resource which can complement other renewable energy technologies during the transition to a low-carbon energy mix. Despite the large number of concepts suggested for the conversion of wave energy, none of the technologies has yet demonstrated economic …
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Nonlinear hydrodynamic modelling of wave energy converters under controlled conditions
… industrialized countries is the provision of energy: traditional sources, mainly based on fossil fuels, are not only growing scarcer and more expensive, but are also irremediably damaging the environment. Renewable and sustainable energy sources are attractive alternatives that can …
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Real-time Forecasting and Control for Oscillating Wave Energy Devices
Ocean wave energy represents a signi�cant resource of renewable energy and can make an important contribution to the development of a more sustainable solution in support of the contemporary society, which is becoming more and more energy intensive. A perspective is given on the benefi�ts that wave …
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Laboratory scale modelling of a point absorber wave energy converter
… 1W), associated with laboratory scale testing of Wave Energy Converts (WEC) is a notoriously difficult problem. This thesis investigates the use a magnetic particle brake to address the issue. The work describes 1:50 scale tests of a generic point absorber device, restricted to heave motions only. …
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Wave Energy Converter Performance Modeling and Cost of Electricity Assessment
… interest for the potential of converting ocean waves into clean electricity. Numerous applications have been submitted for the permitting of such renewable energy projects; however the profitability, practicability, and survivability have yet to be proven. Wave energy conversion technology has …
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Application of the latching control on a wave energy converter
… dimensions of a control-free point absorber wave energy converter (WEC). The methodology is based on frequency domain simulation of the WEC oscillations and a statistical analysis method called “design of experiment” (DOE). Then, using the preliminary results, an approach based on a series of …
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