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Open AccessArticle

Hydrodynamic Performance of a Pitching Float Wave Energy Converter

by 1,2, 1, 1,2,*, 1, 1 and 3
1
School of Marine Engineering and Technology, Sun Yat-sen University, Guangzhou 510275, China
2
Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519000, China
3
College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China
*
Author to whom correspondence should be addressed.
Energies 2020, 13(7), 1801; https://doi.org/10.3390/en13071801
Received: 6 March 2020 / Revised: 2 April 2020 / Accepted: 6 April 2020 / Published: 8 April 2020
(This article belongs to the Section Wind, Wave and Tidal Energy)
This study analyzes the hydrodynamic performance and application of a pitching float-type wave energy conversion device under complex sea conditions in the South China Sea. Potential flow theory and ANSYS-AQWA software are used to establish a method for analyzing hydrodynamic performance in both time and frequency domains, as well as the various factors that influence hydrodynamic performance. The frequency domain characteristics of the conversion device are explored, as well as the time-domain characteristics when exposed to regular and irregular waves. The results show that the frequency domain of hydrodynamic performance conforms to the requirements of an offshore mobile platform. A mooring point that is closer to the center of mass leads to improved stability of the conversion device. The angle arrangement of the anchor-chain mooring method fully conforms to safety requirements. When the wave direction is 45°, the conversion device is highly stressed and its movement is the most strenuous; however, the device can operate safely and stably under all working conditions. These results provide a significant reference for expanding the wave-energy capture range and the hydrodynamic performance of floating wave-energy conversion devices. View Full-Text
Keywords: ANSYS-AQWA; hydrodynamic performance; wave energy; pitching float ANSYS-AQWA; hydrodynamic performance; wave energy; pitching float
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MDPI and ACS Style

Ma, Y.; Ai, S.; Yang, L.; Zhang, A.; Liu, S.; Zhou, B. Hydrodynamic Performance of a Pitching Float Wave Energy Converter. Energies 2020, 13, 1801. https://doi.org/10.3390/en13071801

AMA Style

Ma Y, Ai S, Yang L, Zhang A, Liu S, Zhou B. Hydrodynamic Performance of a Pitching Float Wave Energy Converter. Energies. 2020; 13(7):1801. https://doi.org/10.3390/en13071801

Chicago/Turabian Style

Ma, Yong; Ai, Shan; Yang, Lele; Zhang, Aiming; Liu, Sen; Zhou, Binghao. 2020. "Hydrodynamic Performance of a Pitching Float Wave Energy Converter" Energies 13, no. 7: 1801. https://doi.org/10.3390/en13071801

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