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 16 of 16 for “"Marine energy"”.
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Designing and Optimizing Magnetohydrodynamic Induction Marine Energy Harvester
… presents a promising approach for harvesting energy from marine environments, offering a sustainable alternative for powering naval assets and coastal infrastructure. While energy harvesting technologies are widely used in terrestrial and aerial applications, their implementation in marine …
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Characteristics of the wave energy resource at the Atlantic marine energy test site
The wave energy industry is progressing towards an advanced stage of development, with consideration being given to the selection of suitable sites for the first commercial installations. An informed, and accurate, characterisation of the wave energy resource is an essential aspect of this process. …
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Mechanical Motion Rectifier Based Single and Hybrid Input Marine Energy Harvester Analysis, Design and Basin Test Validation
Point absorber style marine energy harvesters have been investigated based on their structure, energy harvesting efficiency, and reliability along with costs. However, due to the continuously varying ocean conditions and climates, the system usually suffers low power output and reliability from low …
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Hydrodynamic Characterisation and Wave Current Interaction around Dunnet Head in the Pentland Firth with Implications for Marine Energy Generation
… Head in the Pentland Firth with Implications for Marine Energy Generation<br/>The Pentland Firth in the north of Scotland connects the North Atlantic Ocean to the west with the North Sea to the east. A strong hydraulic gradient drives very strong flows through the Firth, with local tidal streaming …
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Tension-Leg Platform for Offshore Diffusor-AugmentedHydrokinetic Turbine
Harnessing marine energy offers significant potential for advancing clean and sustainable power generation. This thesis focuses on the design and optimization of a diffuser-augmented hydrokinetic turbine, supported by a tension-leg platform, to harness ocean and tidal currents for renewable energy …
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Exploring capabilities driving SME development of technological readiness within the marine sector
… Given the vast quantities of untapped renewable energy, the strategic importance of the sector and the emergence of a cluster of such SMEs, this exploratory study focused on how technology-based SMEs can develop technological, organisational, and managerial capabilities through their technology …
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Regional stratigraphic framework of the Tuscarora Sandstone: A model for geologic CO2 storage in West Virginia
… in the southwest are interpreted as shallow marine. The middle member is generally a dark-gray shale deposited in a storm-dominated offshore marine environment in the west and deposited in a muddy embayment to the northeast. Finally, the upper member is fine- to coarse-grained and locally …
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Investigation of the interface shearing resistance of steel and concrete on different rocks for renewable energy gravity foundation applications
Tidal stream energy is a form of marine energy with significant advantages compared to other types of offshore renewables, albeit the levelised cost of energy is relatively high. Various types of foundations have been considered for prototype tidal stream generators, however the utilisation of …
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Wave Energy Extraction and Coastal Protection
… opportunities 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 …
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Offshore power production and marine stakeholders: from understanding conflict to impact mitigation
Little is known about the impact of marine renewable energy installations upon the marine environment and those who use it. Harnessing marine energy will involve the offshore siting of energy extraction devices and their associated infrastructure. This will alter the local environment and …
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The role of agents for change in the sustainable development of wave energy in the Highlands and Islands Region of Scotland
… renewable sources by 2020, the potential of the marine environment around the Highlands and Islands Region of Scotland to add to Scotland’s renewables portfolio has led to the expansion of the wave and tidal industries in recent years. Nevertheless, to date, there has been limited research …
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Assessing the distribution and vulnerability of a seabird community at sea to inform conservation and management
Seabirds are an apex predator in marine ecosystems and can be important bio-indicators for informing wider marine conservation and management. They face many threats from anthropogenic activities at sea but the interactions and subsequent impacts can often be difficult to monitor, particularly in …
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Improvements in the numerical modelling of wake effects for wave energy converter farms
Ocean Energy Europe has estimated that 100 GW of ocean energy capacity (wave and tidal) could be deployed in Europe by 2050. Along with these European targets it is expected that large farms of Wave Energy Converters (WECs) will be installed in the sea and as part of the consenting process it will …
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Experimental Investigations into the Fluid Dynamics and Forcing Underlying Cross-flow Turbine Operation
Within the wind and marine energy sectors, axial-flow (i.e., horizontal axis) turbines are a well-established and well-understood approach to converting the kinetic energy in a moving fluid to electricity. Recent cross-flow (i.e., vertical axis) turbine research has yielded substantial performance …
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The socio-economic interactions of marine renewable energy development and the commercial fishing industry on the island of Ireland
The global increase in energy demand and the need to reduce carbon emissions necessitates the use of alternative sources of energy such as marine renewable energy (MRE). For the purpose of this thesis, MRE refers to offshore wind, tidal and wave energy. The island of Ireland, comprising the …
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Computational Analysis of Flow Around a Scaled Axial-Flow Hydro Turbine
Water power energy harvesting has become an important and growing industry supported by research and significant interest and impetus from the government and commercial sector. Due to waters high power density, marine current energy is an attractive addition to other renewable energy technologies. …