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- Thesis:
Osalusi
… Characterisation of a tidal stream site before device deployment is important for the marine tidal industry, in order to optimise … and thorough analysis of the vertical turbulence structure at the EMEC’s tidal stream test site. Detailed analyses of the directional components of the wave fields using a … from turbulence and wave-current interactions, on the hydrodynamics in a typical tidal energy test site. The results from this study can be used to validate and improve/develop proposed …
- Thesis:
Cahill
… the wave energy resource that has been measured and modelled at the Atlantic Marine Energy Test Site, a facility for conducting sea trials of floating wave energy converters that is being … of the fundamental nature of the wave energy resource at the Atlantic Marine Energy Test Site. The results presented here also have a wider relevance, and can be considered typical …
- Thesis:
Gooch
… (ADCP) velocity data collected at four sites near Marrowstone Island, Puget Sound are used to test the applicability of metrics characterizing maximum and mean velocity, eddy intensity, rate … and have similar ebb and flood velocities and relatively low levels of turbulent activity. The site near the north point of Marrowstone Island (the “C” site) has higher maximum and mean ebb velocities, but is more asymmetrical and has higher levels …
- Thesis:
Murray
… tidal turbine blades with bend-twist (BT) coupled layups allow the blade to selfadapt to local site conditions by passively twisting to reduce the angle of incoming flow (feathering). Passive … the fluid forces on both the blades and support structure, as well as shed power at extreme site conditions. Decreased hydrodynamic thrust and power at extreme conditions means that the …
- Thesis:
Joubert
… ShoreSWEC, in a South African port development is presented. Based on the device requirements, site selection criteria were specified and applied to identify a suitable deployment location. A … operational wave conditions and available wave power resource at the selected location. The site was found to have a low mean annual average resource of approximately 2.3 kilowatt per meter … for low wave heights, making it ideal for the low wave power resource conditions of the site, whilst the multi-chamber system experienced increased performance at high wave periods. A …
- Thesis:
Blavette
… within the farm’s electrical network are also evaluated. The feasibility of transforming a test site into a commercial site of greater rated power is investigated from the perspective of power quality and of cables …
- Thesis:
Fjellstedt
… in the river Dalälven in Söderfors, Sweden. The electrical grid connection system at the test site is based on a B2B converter technology. In the thesis, a simulation model of the grid … system of the energy converter is presented. The grid connection system at the Söderfors test site includes an LC-filter connected to a power transformer. A novel transfer function is …
- Thesis:
Forslund
… water for conversion to electric energy. This thesis presents experimental data from a test site with a marine current converter. The converter system features a vertical axis turbine … investigated. The range of experiments are limited by the water velocity at the experimental site. To address the issue, a simulation model coupling the electrical system and hydrodynamic …
- Thesis:
Toupin
… objectively and reliably, the scale and character of tidal current energy resources at a site. The IEC-TC-114 draft standard for tidal energy resource assessment and characterisation has … Secondly, a comprehensive assessment of the tidal current energy resource at the FORCE project site is conducted in a manner that is consistent with IEC-TC-114 protocol based on available …
- Thesis:
Milne
… the turbulent fluctuations, the anisotropy and the scales of the turbulence at a tidal energy site have been presented. A novel application of rapid distortion theory estimated the velocity …
- Thesis:
Serhadlıoğlu
… is related to the velocity at the turbine blades, the characterisation of the designated tidal site as a resource using LMADT may be more accurate than previously proposed methods. An … The parametric study aims to evaluate a realistic upper limit of available power at each site considered. This study also provides a unique analysis to examine the potential tidal farm …
- Thesis:
Joslin
… is qualitatively evaluated under realistic field conditions (i.e., at a tidal energy site) to determine the range within which detection, discrimination, and classification of … 1 m) camera-light separation is maintained. Results are also presented from a four-month field test of the prototype stereo-optical camera system. A combination of passive (copper rings and … validation is required and traditional methods often require prohibitively expensive test facilities. Further, CFD simulations are not able to predict added mass, which can be …
- Thesis:
Kreimair
… model parameters. Combined, such uncertainties can greatly affect power estimates for a given site. The thesis examines the effects of bed roughness and turbine drag uncertainties on turbine … on the dynamic balance in the channel, the turbine configuration, and the geometry of the site considered. Bottom friction uncertainty increases estimates of expected power in a …
- Thesis:
Chatzigiannakou
… 14 WECs of various designs have been developed and deployed offshore, at the Lysekil research site (LRS), on the Swedish west coast and in Åland, Finland. The UU device is a point absorber … the UU devices main principle. SAB deployments were conducted in Sotenäs, Sweden, at the Maren test site (MTS) in Norway; and in Ada Foah, Ghana. The active participation and the thorough study of …
- Thesis:
Phoenix
… provide a proportion of global energy requirements. Installations to date have been singular test devices but commercial application will involve multiple devices deployed in farms. The … utilises harmonic and ellipse analyses to determine the primary direction of current flow at a site, which is then used to quantify available power. This results in a higher degree of … was incorporated into the numerical model and application of the fully developed model to test cases demonstrated that optimal arrays should be staggered, thereby producing higher …
- Thesis:
Brown
… may be developed and implemented in wave measurement buoys operating in deep water at the site of potential WEC deployments. Buoys capable of detecting the impact of breaking waves will …
- Thesis:
Cavagnaro
… with a mean of 2 m/s is generated from high-resolution flow measurements of a riverine site and is used to drive emulation. Power output during emulation under similar input and …
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