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 47 for “"wave energy converters"”.
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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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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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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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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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Dynamic system design optimization of wave energy converters utilizing direct transcription
… are then demonstrated on the design of a wave energy converter, a device that captures energy present in ocean waves. This system is of particular interest since a successful design hinges on exploiting the natural dynamics of the interaction between the ocean waves and the physical wave …
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Optimization of the geometry of axisymmetric point-absorber wave energy converters
Wave energy represents an abundant source of renewable energy, but as yet the potential is not fully utilized. Aiming to exploit this vast potential, many theoretical, experimental and pilot-scale studies have been conducted on wave energy converters (WECs), however as yet there has been no …
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Reinforcement learning based control for arrays of point absorber wave energy converters
… background material relating to point absorber wave energy converters. These are devices that have small dimensions compared to the incident wavelength, and are axisymmetric in design. In most cases, energy is primarily associated with heave motion. A standard point absorber design was modelled …
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Numerical Analysis and Parameter Optimization of Portable Oscillating-Body Wave Energy Converters
As a clean, abundant, and renewable source of energy with a strategic location in close proximity to global population regions, ocean wave energy shows major promise. Although much wave energy converter development has focused on large-scale power generation, there is also increasing interest in …
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On ocean wave dynamics and their importance on assessing wave energy converters performance
L'abstract è presente nell'allegato / the abstract is in the attachment
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Behaviour of epoxy filled flat-face joints in concrete for wave energy converters
The need and demand for renewable energy is widely understood but there has been equally vociferous opposition to the capital and operational costs of these technologies. While wind energy has developed extensively in the offshore environment over the past decade, problems with intermittent …
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Linear and nonlinear parametric hydrodynamic models for wave energy converters identified from recorded data
Ocean waves represent an important resource of renewable energy, which can provide a significant support to the development of more sustainable energy solutions and to the reduction ofCO2 emissions. The amount of extracted energy from the ocean waves can be increased by optimizing the geometry and …
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Exploration of configurations of wave energy converters to mechanically drive a seawater uranium harvester
… and reuse the polymer [161. Given the high energy density of ocean waves, this thesis explores the potential of wave energy converters to provide the power requirements of SMORE. Each net requires 92 kW of power, or about 1100 kNm to drive continuous movement at 0.087 rad/s. This thesis …
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Reliable energy-maximising control for wave energy converters enabled by fault diagnosis and fault-tolerant control
L'abstract è presente nell'allegato / the abstract is in the attachment
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Design, validation and application of wave-to-wire models for heaving point absorber wave energy converters
Ocean waves represent an untapped source of renewable energy which can significantly contribute to the energy transition towards a sustainable energy mix. Despite the significant potential of this energy source and the multiple solutions suggested for the extraction of energy from ocean waves, some …
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