Extraction of sea wave energy: a mathematical evaluation of a point absorber in heave
Vantorre, M.; Banasiak, R.; Verhoeven, R. (2002). Extraction of sea wave energy: a mathematical evaluation of a point absorber in heave, in: Rahman, M. et al. (Ed.) Advances in fluid mechanics IV. International series on advances in fluid mechanics, 32: pp. 193-206
In: Rahman, M.; Verhoeven, R.; Brebbia, C.A. (Ed.) (2002). Advances in fluid mechanics IV. International series on advances in fluid mechanics, 32. WIT Press: Southampton, UK. ISBN 1-85312-910-0. 760 pp., more
In: International series on advances in fluid mechanics. ISSN 1353-808x, more
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Document type: Conference paper
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- 4th International Conference on Advances in Fluid Mechanics, more
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| Abstract |
The feasibility of energy extraction from sea waves has been investigated, with special attention to potential applications in the Belgian coastal area of the North Sea. As a first step in this feasibility study, the performance of heaving point absorbers in wave conditions that are representative for the considered area is calculated by means of a linear theory. The shape and dimensions of the heaving buoy, the external damping and a supplementary inertia are considered as variable parameters; restrictions are formulated regarding the significant relative motion between the point absorber and the sea surface. Taking into consideration the frequency of occurrence of the wave spectra, optimal characteristics for the point absorber are determined preliminarily. It is concluded that optimal energy absorption requires operational adaptation of external characteristics such as supplementary mass and external damping. |
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