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.
Results
Showing 1 to 20 of 28 for “"Ocean energy"”.
-
Renewable Ocean Energy Site Selection Using a GIS: Gulf Coast Potential
<p>Development of offshore renewable wind energy for coastal states, counties and federally owned regions must account for numerous constraints and factors. In the northern Gulf of Mexico, decisions on developing sites for renewable wind energy have traditionally stemmed from environmental, …
-
Control of Vibration Systems with Mechanical Motion Rectifier and their Applications to Vehicle Suspension and Ocean Energy Harvester
… control applications: vehicle suspension and ocean wave energy converter. It develops control methods for both systems with simplified modeling setup, then followed by the application of a novel mechanical motion rectifier (MMR) gearbox that uses mechanical one-way clutches in both systems. …
-
Legal and policy gaps in Nigeria's renewable energy framework: a case for wave and tidal energy.
Nigeria's wave and tidal energy resources remain underdeveloped, unlike other renewable energy resources such as bioenergy, hydropower, solar and wind, which have witnessed limited development. In essence, the research problem is how to justify the necessity for harnessing wave and tidal energy …
-
A nonlinear wave load model for extreme and fatigue responses of offshore floating wind turbines
Ocean energy is one of the most important sources of alternative energy and offshore floating wind turbines are considered viable and economical means of harnessing ocean energy. The accurate prediction of nonlinear hydrodynamic wave loads and the resulting nonlinear motion and tether tension is of …
-
Wave loads on offshore wind turbines
Ocean energy is one of the most important sources of alternative energy and offshore floating wind turbines are considered viable and economical means of harnessing ocean energy. The accurate prediction of nonlinear hydrodynamic wave loads and the resulting nonlinear motion and tether tension is of …
-
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 …
-
Sea surface and related subsurface temperature anomalies at several positions in the Northeast Pacific Ocean.
… of the value of SST anomalies as indicators of ocean energy states is achieved. Results show that for about 10% of the time, the SST anomaly generally extended to depths of 100 meters or more. November through April were found to be the months most favorable for the occurrence of these deeply …
-
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 …
-
Performance Analysis and Tank Test Validation of a Hybrid Wave-Current Energy Converter with a Single Power Takeoff
Marine and hydrokinetic (MHK) energy, including ocean waves, tidal current, ocean current and river current, has been recognized as a promising power source due to its full-day availability and high energy potential. At this stage, ocean current energy, tidal energy and ocean wave energy are …
-
A Feasibility Study of a Tension-Leg Platform for Hydro-Powered Turbines System and Metocean Data Analysis for Floating Wind Turbine Design
Marine and wind energy stand as promising frontiers for clean and sustainable power generation. The first chapter of this study explores the feasibility of implementing a Tension Leg Platform (TLP) for a hydropower turbine system with an overall rated power of 1500 kW. The TLP semi-submersible …
-
Near-Optimal Sensor Placement for Detection of Poisson Distributed Targets
… Office for Coastal Management and the Bureau of Ocean Energy.
-
Potencial energético de las corrientes generadas por las mareas en las desembocaduras de los ríos y estuarios. Aplicación a la ría de Avilés
… Portuaria de Avilés. The search for alternative energy resources to fossil fuels has led to a significant development of renewable energies. Recently, ocean energy has started to have a great impact in the world. In Europe it has received an important boost from the energy policies directed by …
-
The efficiency of turbulent mixing in stratified fluids
… environments, like lakes, the atmosphere or the ocean. Turbulent mixing plays a crucial role for the overall energy budget of the earth and has therefore an huge impact on the global climate. By introducing the mixing efficiency, it is possible to quantify mixing. It is defined as the ratio of …
-
Reviewing Mechanisms for Stakeholder Engagement With Local Governments During Offshore Wind Development
… for Community Benefits from Offshore Renewable Energy Developments”, which provides a framework for developers to use when they voluntarily create and offer community benefits packages to local communities. In the United States, the mechanism is the Bureau of Ocean Energy Management’s (BOEM) …
-
Design and Characterization of a Wave Energy Converter Array Experimental Test Platform
Wave energy is a promising source of renewable energy that has the potential to play a significant role in the global transition towards sustainable energy. Unlike other forms of renewable energy, wave energy is not dependent on weather patterns or daylight hours, making it a reliable and …
-
Performance and hull pressure analysis of scaled physical testing of a wave energy converter
Wave energy conversion is an emerging field with the potential to capture a significant amount of a globally abundant energy resource to lower reliance on fossil fuels. At present, many designs for wave energy converters are being developed which show great promise for efficiently capturing wave …
-
Offshore wind potential in North Carolina and possible configuratons
… power, utility companies want estimations of the energy to be gained and the costs associated with harnessing that power. As a resident of coastal North Carolina, I would much rather see our homes powered by offshore turbines rather than the coal-fired and nuclear plants we currently employ. The …
-
Leading edge vortex detection using bio-inspired on-body pressure sensing
The increasing global demand for energy has placed emphasis on the development of innovative renewable energy sources. Ocean energy technologies, while currently underutilized worldwide, promise to emerge as an important part of a comprehensive global energy solution. Recently, research on the …
-
Experimental and Numerical Modelling of a Multiple Oscillating Water Column Structure
The potential exists for ocean energy from waves to meet a large fraction of future global energy needs. Furthermore, synergies between the existing offshore wind industry, and the future offshore wave energy industry, can be exploited. This thesis is concerned with the physical and numerical …
-
An Investigation of Phase Change Material (PCM)-Based Ocean Thermal Energy Harvesting
Phase change material (PCM)-based ocean thermal energy harvesting is a relatively new method, which extracts the thermal energy from the temperature gradient in the ocean thermocline. Its basic idea is to utilize the temperature variation along the ocean water depth to cyclically freeze and melt a …
Page 1 of 2