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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.2
- 수록면
- 21 - 31 (11page)
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초록· 키워드
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In recent years, various studies have been conducted on oscillating-water-column-type wave energy converters (OWC-WECs) with multiple chambers with the objective of efficiently utilizing the limited space of offshore/onshore structures. In this study, a numerical investigation based on a numerical wave tank was conducted on single, dual, and triple OWC chambers to examine the hydrodynamic performances and the energy conversion characteristics of the multiple water columns. The boundary value problem with the Laplace equation was solved by using a numerical wave tank based on a finite element method. The validity of the current numerical method was confirmed by comparing it with the measured data in the previous experimental research. We undertook a series of numerical simulations and observed that the water column motion of sloshing mode in a single chamber can be changed into the piston motion of different phases in multiple OWC chambers. Therefore, the piston motion in the multiple chambers can generate considerable airflow at a specific resonant frequency. In addition, the division of the OWC chamber results in a reduction of the time-dependent variability of the final output power from the device. As a result, the application of the multiple chambers leads to an increase of the energy conversion performance as well as a decrease of the variability of the wave energy converter.
목차
ABSTRACT
1. Introduction
2. Numerical Analysis Method
3. Numerical Analysis Results and Examination
4. Conclusions
References
참고문헌 (18)
참고문헌 신청
Arias, P., Bellouin, N., Coppola, E., Jones, R., Krinner, G., Marotzke, J., ... Zickfeld, K. (2021). Climate Change 2021: The Physical Science Basis. Contribution of Working Group14 I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change; Technical Summary.
Bingham, H.B., Yu, Y.H., Nielsen, K., Tran, T.T., Kim, K.H., Park, S., ... Greaves, D. (2021). Ocean Energy Systems Wave Energy Modeling Task 10.4: Numerical Modeling of a Fixed Oscillating Water Column. Energies, 14(6), 1718. https://doi.org/10.3390/en14061718
Torre-Enciso, Y., Ortubia, I., De Aguileta, L.L., & Marqués, J. (2009). Mutriku Wave Power Plant: from the Thinking out to the Reality. In Proceedings of the 8th European Wave and Tidal Energy Conference, Uppsala, Sweden, 710, 319‒329.
Garrido, A.J., Otaola, E., Garrido, I., Lekube, J., Maseda, F.J., Liria, P., & Mader, J. (2015). Mathematical Modeling of Oscillating Water Columns Wave-Structure Interaction in Ocean Energy Plants. Mathematical Problems in Engineering, 2015, 727982. https://doi.org/10.1155/2015/727982
Falca~o, A.F., & Henriques, J.C. (2016). Oscillating-Water-Column Wave Energy Converters and Air Turbines: A Review. Renewable Energy, 85, 1391–1424. https://doi.org/10.1016/j.renene.2015.07.086
Bingham, H.B., Yu, Y.H., Nielsen, K., Tran, T.T., Kim, K.H., Park, S., ... Greaves, D. (2021). Ocean Energy Systems Wave Energy Modeling Task 10.4: Numerical Modeling of a Fixed Oscillating Water Column. Energies, 14(6), 1718. https://doi.org/10.3390/en14061718
Torre-Enciso, Y., Ortubia, I., De Aguileta, L.L., & Marqués, J. (2009). Mutriku Wave Power Plant: from the Thinking out to the Reality. In Proceedings of the 8th European Wave and Tidal Energy Conference, Uppsala, Sweden, 710, 319‒329.
Garrido, A.J., Otaola, E., Garrido, I., Lekube, J., Maseda, F.J., Liria, P., & Mader, J. (2015). Mathematical Modeling of Oscillating Water Columns Wave-Structure Interaction in Ocean Energy Plants. Mathematical Problems in Engineering, 2015, 727982. https://doi.org/10.1155/2015/727982
Falca~o, A.F., & Henriques, J.C. (2016). Oscillating-Water-Column Wave Energy Converters and Air Turbines: A Review. Renewable Energy, 85, 1391–1424. https://doi.org/10.1016/j.renene.2015.07.086
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