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Full-Text Articles in Ocean Engineering
Load Reduction Of Floating Wind Turbines Using Tuned Mass Dampers, Gordon M. Stewart
Load Reduction Of Floating Wind Turbines Using Tuned Mass Dampers, Gordon M. Stewart
Masters Theses 1911 - February 2014
Offshore wind turbines have the potential to be an important part of the United States' energy production profile in the coming years. In order to accomplish this wind integration, offshore wind turbines need to be made more reliable and cost efficient to be competitive with other sources of energy. To capitalize on high speed and high quality winds over deep water, floating platforms for offshore wind turbines have been developed, but they suffer from greatly increased loading. One method to reduce loads in offshore wind turbines is the application of structural control techniques usually used in skyscrapers and bridges. Tuned …
Vortex-Induced Vibrations Of An Inclined Cylinder In Flow, Anil B. Jain
Vortex-Induced Vibrations Of An Inclined Cylinder In Flow, Anil B. Jain
Masters Theses 1911 - February 2014
When a bluff body is placed in flow, vortices are shed downstream of the body. For the case of a bluff body with a circular cross-section (a cylinder) attached to a spring and a damper, when the frequency of vortex shedding is close to the natural frequency of the structure, the cylinder oscillates in a direction perpendicular to the flow. This is called Vortex Induced Vibration (VIV) and is a canonical problem in fluid-structure interactions. The majority of studies on VIV of a flexibly mounted rigid cylinder are for the cases where the flow direction is perpendicular to the long …