Journal
OCEAN ENGINEERING
Volume 234, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.oceaneng.2021.109307
Keywords
Floating oscillating water column; Hydrodynamic performance; Primary efficiency assessment; Dual-chamber OWC
Funding
- Project OPWEC (Optimizacao de Conversores de Energia das Ondas [P2020-PTDC/MAR-TEC/6984/2014]
- FCTFundaca o para a Ciencia e a Tecnologia
- University of Lisbon
- CENTEC
- Portuguese Foundation for Science and Technology (Fundacao para a Ciencia e Tecnologia-FCT) [UIDB/UIDP/00134/2020]
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The experimental study demonstrated the significant hydrodynamic performance of a novel floating dual-chamber Oscillating Water Column Wave Energy Converter device at different wave frequencies, with the fore and rear chambers playing a dominant role in absorbing wave energy and their mutual interactions having a significant impact on the overall performance.
A comprehensive experimental study is carried out to investigate the efficiency of a novel floating dual-chamber Oscillating Water Column Wave Energy Converter device in terms of converting the energy of the waves to pneumatic power. The influence of the power take-off damping as well as the wave characteristics on the hydrodynamic performance is investigated. The significant hydrodynamic performance of the introduced novel concept has been proven in the wide range of wave frequencies for both regular and random wave conditions. It is found that the fore and rear chambers of the device have the dominant role in absorbing energy of the waves in a specific range of wave periods. Their mutual interactions have a significant effect on the enhancement of the overall hydrodynamic performance.
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