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Publicações
Sinha, A., Karmakar, D. e Guedes Soares, C. (2016), “Hydrodynamic performance of concentric arrays of point absorbers”, International Journal of Ocean and Climate Systems, Vol. 7(3), pp. 88-94
The behaviour of arrays of twelve heaving point absorbers in concentric arrangements is numerically assessed in a frequency domain model. The floaters are attached to a central cylindrical bottom-mounted structure. Each point absorber is restricted to the heave mode and is assumed to have its own linear power take-off system consisting of an external damping coefficient enabling power extraction and a supplementary mass coefficient tuning the point absorber to the incoming waves. The external damping and supplementary mass coefficients are optimized to maximize the power absorption by each floater in the array, with a restriction on the total control force. This study will be useful to employ concentric array of floaters to a fixed platform, for ease of access and maintenance, optimal wave power generation and higher efficiencies, when a power take-off system is added to the system.
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