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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Yin, L. Young Michael, R. Motley Ronald, W. Yeung |
| Copyright Year | 2009 |
| Abstract | The objective of this work is to develop and validate a coupled boundary element method (BEM)-finite element method (FEM) for the transient hydroelastic analysis of wind or tidal turbines subject to spatially varying inflow. The focus is on tidal turbines, although the methodology is also applicable for the analysis and design of wind turbines. An overview of the formulation for both the fluid and solid domains, and the fluid-structure interaction algorithms, are presented. The model is validated by comparing the predicted thrust and power measurements, and cavitation patterns, with experimental measurements and observations for a 800 mm marine current turbine presented in [1]. Additional numerical results are shown for the same turbine, but scaled up to 20 m in diameter, operating in a tidal boundary layer flow. The results suggest that a special high-strength corrosion resistant material is needed to avoid excessive blade deflection, and to ensure structural integrity. The results also suggest that it is important to consider the dynamic characteristics of the tidal turbine as the natural frequencies of the blades when operating in water are significantly reduced, as compared to when operating in air. Finally, current design challenges for both wind and tidal turbines are discussed. |
| Sponsorship | Ocean, Offshore and Arctic Engineering Division |
| Starting Page | 1101 |
| Ending Page | 1107 |
| Page Count | 7 |
| File Format | |
| ISBN | 9780791843444 |
| DOI | 10.1115/OMAE2009-80087 |
| e-ISBN | 9780791838440 |
| Volume Number | Volume 4: Ocean Engineering; Ocean Renewable Energy; Ocean Space Utilization, Parts A and B |
| Conference Proceedings | ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering |
| Language | English |
| Publisher Date | 2009-05-31 |
| Publisher Place | Honolulu, Hawaii, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Water Wind Blades Deflection Boundary element methods Fluid structure interaction Finite element methods Cavitation Flow (dynamics) Tides Transients (dynamics) Tidal turbines Design Finite element model Fluids Algorithms Corrosion resistant materials Wind turbines Inflow Turbines Boundary layers Thrust |
| Content Type | Text |
| Resource Type | Article |
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