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Shore Protection by Point-Absorbers
The capture of wave energy by point-absorber floats has been a popular topic in the wave-energy conversion field for more than two decades. Analysts have undertaken many studies devoted to the optimization of the absorbers and the prediction of their capture widths — the crest width from which the wave energy is supplied. Although this concept is somewhat difficult to exploit for energy conversion due to a combination of power take-off and transmission problems, the concept has promise for coastal protection, where the point absorbers are tension-moored spar buoys. When the wave properties are known at a near-shore site, a tension-moored buoy with motion controls, operating at resonance, can (theoretically) capture the incident wave energy from a crest width of 1/2π to 3/2π times the design wavelength, depending on the number of motion-modes excited by the waves. The characteristic dimensions of the moored body are relatively small compared to the design wavelength, making the absorber easy to deploy and minimizing the possibility of creating a navigation hazard. In this study, a heaving tension-moored can-buoy is studied as a point-absorber partial breakwater.
Shore Protection by Point-Absorbers
The capture of wave energy by point-absorber floats has been a popular topic in the wave-energy conversion field for more than two decades. Analysts have undertaken many studies devoted to the optimization of the absorbers and the prediction of their capture widths — the crest width from which the wave energy is supplied. Although this concept is somewhat difficult to exploit for energy conversion due to a combination of power take-off and transmission problems, the concept has promise for coastal protection, where the point absorbers are tension-moored spar buoys. When the wave properties are known at a near-shore site, a tension-moored buoy with motion controls, operating at resonance, can (theoretically) capture the incident wave energy from a crest width of 1/2π to 3/2π times the design wavelength, depending on the number of motion-modes excited by the waves. The characteristic dimensions of the moored body are relatively small compared to the design wavelength, making the absorber easy to deploy and minimizing the possibility of creating a navigation hazard. In this study, a heaving tension-moored can-buoy is studied as a point-absorber partial breakwater.
Shore Protection by Point-Absorbers
McCormick, Michael E. (author) / Lazarus, Aaron D. (author) / Speight, Christina (author)
Sixth International Conference on Civil Engineering in the Oceans ; 2004 ; Baltimore, Maryland, United States
Civil Engineering in the Oceans VI ; 232-245
2005-10-18
Conference paper
Electronic Resource
English
Shore Protection by Point-Absorbers
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