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Wave energy conversion by flexible resonant rafts
A long slender floating beam sufficiently flexible to follow the waves, is considered as a wave power converter. Tensioned cables apply a longitudinal compression forces to the beam, encouraging buckling, which enhances the wave-induced vertical oscillations. The oscillations activate pumps incorporated in the structure. The theory of the raft oscillations is presented, together with their radiation effects, leading to curves for the capture width. Exceptionally broad band response is predicted, and confirmed qualitatively by model experiments. The maximum strain in steep waves is calculated and is shown to be acceptable if the cable tension is reduced to zero in storms.
Wave energy conversion by flexible resonant rafts
A long slender floating beam sufficiently flexible to follow the waves, is considered as a wave power converter. Tensioned cables apply a longitudinal compression forces to the beam, encouraging buckling, which enhances the wave-induced vertical oscillations. The oscillations activate pumps incorporated in the structure. The theory of the raft oscillations is presented, together with their radiation effects, leading to curves for the capture width. Exceptionally broad band response is predicted, and confirmed qualitatively by model experiments. The maximum strain in steep waves is calculated and is shown to be acceptable if the cable tension is reduced to zero in storms.
Wave energy conversion by flexible resonant rafts
Farley, F.J.M. (author)
Applied Ocean Research ; 4 ; 57-63
1982-01-01
7 pages
Article (Journal)
Electronic Resource
English
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