Wave Farm Modelling of Oscillating Wave Surge Converters

Journal Article

Title: Wave Farm Modelling of Oscillating Wave Surge Converters
Publication Date:
July 08, 2014
Journal: Proceedings of the Royal Society A
Volume: 470
Issue: 2167
Publisher: The Royal Society
Stressor:
Technology Type:

Document Access

Website: External Link

Citation

Sarkar, D.; Renzi, E.; Dias, F. (2014). Wave Farm Modelling of Oscillating Wave Surge Converters. Proceedings of the Royal Society A, 470(2167).
Abstract: 

A mathematical model is described to analyse the hydrodynamic behaviour of a wave energy farm consisting of oscillating wave surge converters in oblique waves. The method is a highly efficient semi-analytical approach based on the linear potential flow theory. Wave farms with a large number of such devices are studied for various configurations. For an inline configuration with normally incident waves, the occurrence of a near-resonant behaviour, already known for small arrays, is confirmed. A strong wave focusing effect is observed in special configurations comprising a large number of devices. The effects of the arrangement and of the distance of separation between the flaps are also studied extensively. In general, the flaps lying on the front of the wave farm are found to exhibit an enhanced performance behaviour in average, owing to the mutual interactions arising within the array. A random sea analysis shows that a slightly staggered arrangement can be an ideal layout for a wave farm of this device. The hydrodynamics of two flaps that oscillate back to back is also discussed.

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