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 “"floating wind turbines"”.
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Advanced controls for floating wind turbines
Floating Offshore Wind Turbines (FOWT) is a technology that stands to spearhead the rapid growth of the offshore wind energy sector and allow the exploration of vast high quality wind resources over coastal and offshore areas with intermediate and large water depths. This generates the need for a …
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Flexible dynamics of floating wind turbines
… model for a coupled analysis of offshore floating wind turbines consisting of a tower, a floating platform and a mooring system. In this multi-body, linear frequency-domain model, the tower is represented as a series of uniform Timoshenko beams connected to each other. The deflections of …
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Parametric design of floating wind turbines
As the price of energy increases and wind turbine technology matures, it is evident that cost effective designs for floating wind turbines are needed. The next frontier for wind power is the ocean, yet development in near shore waters has been slowed by aesthetic concerns of coastal residents. …
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Frequency-domain modelling of floating wind turbines
The development of new types of offshore wind turbine on floating platforms requires the development of new approaches to modelling the combined platform-turbine system. In this thesis a linearised frequency-domain approach is developed which gives fast but approximate results: linearised models of …
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Dynamic response of spar-type offshore floating wind turbines
… been a significant increase in the interest in floating offshore wind turbines from the wind energy industry, governments and academia. Partially driven by the recent nuclear disaster in Japan, but also by the lack or complete absence of shallow waters in various countries around the globe …
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Challenges in the design of tension moored floating wind turbines
In order to harness the extensive offshore wind resource, both in Ireland and in many parts of the world with deep offshore seas, the deployment of wind turbines on floating structures is required. Tension moored floating wind turbines are one type of platform with potential to be used for such …
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Responses of floating wind turbines to wind and wave excitation
The use of wind power has recently emerged as a promising alternative to conventional electricity generation. However, space requirements and public pressure to place unsightly wind turbines out of visual range make it desirable to move large wind farms offshore and into deeper coastal waters. A …
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Computation of nonlinear hydrodynamic loads on floating wind turbines using fluid-impulse theory
Wind energy is one of the more viable sources of renewable energy and offshore wind turbines represent a promising technology for the cost effective harvesting of this abundant source of energy. To capture wind energy offshore, horizontal-axis wind turbines can be installed on offshore platforms …
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A nonlinear wave load model for extreme and fatigue responses of offshore floating wind turbines
… 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 crucial importance in the design …
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A Novel Synergy: Integrating Oscillating Water Column Wave Energy Converters with Floating Wind Turbines ¿ Experimental and Numerical Investigations
L'abstract è presente nell'allegato / the abstract is in the attachment
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System design and manufacturability of concrete spheres for undersea pumped hydro energy or hydrocarbon storage
Offshore wind and energy storage have both gained considerable attention in recent years as more wind turbine capacity is installed, less attractive/economical space remains for onshore wind, and load-leveling issues make integrating wind power into the existing electrical grid difficult. For …
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Wave loads on offshore wind turbines
… 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 crucial importance in the design …
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CFD simulation of long slender offshore structures at high Reynolds number
… many offshore engineering applications such as floating wind turbines and subsea risers. These structures are vulnerable to flow-induced vibrations under certain environmental conditions which impacts their useful life. Flow-induced vibrations have been widely studied both experimentally and …
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Dynamic response analysis of spar buoy floating wind turbine systems
… has been dramatically increased by the dwindling supplies of oil and gas, and our growing efforts to protect our environment. A variety of meaningful steps have been taken in order to come up with cleaner, healthier and more affordable energy alternatives. Wind energy is one of the most …
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Structural analysis and design of floating wind turbine systems
… and economically harvested. Deep water offshore wind is a vast, reliable and potentially economical energy source which remains globally untapped. In order to harvest this resource, potential floating turbine systems must be analyzed and designed for economic production and deployment, reliable …
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Innovative Floating Wind Turbine with Synthetic Mooring System and Feasibility Analysis of a Solar-Wind-Battery Hybrid System
… crucial for maintaining the station-keeping of Floating Wind Turbines (FWTs) by providing the necessary restoring forces while minimizing the vertical loads on the platform. This thesis explores the evolution of mooring systems from traditional catenary chains to taut synthetic fiber ropes, …