This work focuses on the initial performance assessment of an array of coaxial-duct (CD) oscillating-water-columns (owc’s) with potential to be used as multipurpose platform for the creation of value in a diverse range of offshore economic activities. The coaxial-duct owc (CD-owc) is an axisymmetric oscillating-water-column wave energy converter that has been studied for both small-size and large-size applications. This work focuses on buoys of 12 meter diameter distributed in an array of five devices, rigidly attached to each other, to form a cluster of owc’s. The objective of the study is to assess the performance of the array with this configuration and estimate the effect of parameters such as distance between devices, various modes of movements, and other constraints on the overall power output of the array. Results of different cases are compared to the performance of an isolated device to determine the interference effect of other devices. Some results validate previous research conclusions and new findings on the behavior coaxial-duct owc are presented.
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ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering
June 17–22, 2018
Madrid, Spain
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5132-6
PROCEEDINGS PAPER
On the Array of Wave Energy Converters: The Case of the Coaxial-Duct OWC
J. C. C. Portillo,
J. C. C. Portillo
Universidade de Lisboa, Lisboa, Portugal
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J. C. C. Henriques,
J. C. C. Henriques
Universidade de Lisboa, Lisboa, Portugal
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R. P. F. Gomes,
R. P. F. Gomes
Universidade de Lisboa, Lisboa, Portugal
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L. M. C. Gato,
L. M. C. Gato
Universidade de Lisboa, Lisboa, Portugal
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A. F. O. Falcão
A. F. O. Falcão
Universidade de Lisboa, Lisboa, Portugal
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J. C. C. Portillo
Universidade de Lisboa, Lisboa, Portugal
J. C. C. Henriques
Universidade de Lisboa, Lisboa, Portugal
R. P. F. Gomes
Universidade de Lisboa, Lisboa, Portugal
L. M. C. Gato
Universidade de Lisboa, Lisboa, Portugal
A. F. O. Falcão
Universidade de Lisboa, Lisboa, Portugal
Paper No:
OMAE2018-78022, V11AT12A042; 10 pages
Published Online:
September 25, 2018
Citation
Portillo, JCC, Henriques, JCC, Gomes, RPF, Gato, LMC, & Falcão, AFO. "On the Array of Wave Energy Converters: The Case of the Coaxial-Duct OWC." Proceedings of the ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. Volume 11A: Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering. Madrid, Spain. June 17–22, 2018. V11AT12A042. ASME. https://doi.org/10.1115/OMAE2018-78022
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