Tidal current energy is regarded as one of the most promising alternative energy resources for its minimal environmental footprint and high-energy density. The device used to harness tidal current energy is the tidal current turbine, which shares similar working principle with wind turbines. The high load factors resulting from the fluid properties and the predictable resource characteristics make marine currents particularly attractive for power generation. There is a paucity of information regarding various key aspects of system design encountered in this relatively new area of research. Not much work has been done to determine the characteristics of turbines running in water for kinetic energy conversion even though relevant work has been carried out on ship’s propellers, wind turbines and on hydro turbines. None of these three well established areas of technology completely overlap with this new field so that gaps remain in the state of knowledge. A tidal current turbine rated at 1–3 m/s in water can result in four times as much energy per year/m2 of rotor swept area as similarly rated power wind turbine. Areas with high marine current flows commonly occur in narrow straits, between islands, and around. There are many sites worldwide with current velocities around 2.5 m/s, such as near the UK, Italy, the Philippines, and Japan. In the United States, the Florida Current and the Gulf Stream are reasonably swift and continuous currents moving close to shore in areas where there is a demand for power. In this study tidal current turbines are designed for several high tidal current areas around USA for a tidal current speed range from 1 m/s to 2.5 m/s. Several locations around USA are considered, e.g. the Gulf Stream; Mississippi River, St. Clair’s river connecting Lake Huron to Lake St. Clair’s; Colorado River within Cataract Canyon etc. Tidal current turbines can be classified as either horizontal or vertical axis turbines. In this study several designs from both the classifications are considered and modeled using SolidWorks. Hydrodynamic analysis is performed using SolidWorks Flow simulation software, and then optimization of the designs is performed based on maximizing the starting rotational torque and ultimate power generation capacity. From flow simulations, forces on the tidal current turbine blades and structures are calculated, and used in subsequent stress analysis using SolidWorks Simulation software to confirm structural integrity. The comparative results from this study will help in the systematic optimization of the tidal current turbine designs at various locations.
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ASME 2015 International Mechanical Engineering Congress and Exposition
November 13–19, 2015
Houston, Texas, USA
Conference Sponsors:
- ASME
ISBN:
978-0-7918-5744-1
PROCEEDINGS PAPER
Comparison of Tidal Current Turbine Designs in Several High Speed Locations Around the United States
Mohammed S. Mayeed,
Mohammed S. Mayeed
Kennesaw State University, Marietta, GA
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Golam M. Newaz,
Golam M. Newaz
Wayne State University, Detroit, MI
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Dallin Hall,
Dallin Hall
Kennesaw State University, Marietta, GA
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Davison Elder
Davison Elder
Kennesaw State University, Marietta, GA
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Mohammed S. Mayeed
Kennesaw State University, Marietta, GA
Golam M. Newaz
Wayne State University, Detroit, MI
Dallin Hall
Kennesaw State University, Marietta, GA
Davison Elder
Kennesaw State University, Marietta, GA
Paper No:
IMECE2015-50191, V06BT07A036; 7 pages
Published Online:
March 7, 2016
Citation
Mayeed, MS, Newaz, GM, Hall, D, & Elder, D. "Comparison of Tidal Current Turbine Designs in Several High Speed Locations Around the United States." Proceedings of the ASME 2015 International Mechanical Engineering Congress and Exposition. Volume 6B: Energy. Houston, Texas, USA. November 13–19, 2015. V06BT07A036. ASME. https://doi.org/10.1115/IMECE2015-50191
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