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Parametric study on power capture performance of an adaptive bistable point absorber wave energy converter in irregular waves

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摘要 The power capture performance of an adaptive bistable point absorber wave energy converter(WEC)in irregular waves is investigated in this paper.Based on the linear potential flow theory and Cummins equations,the equation of motion for the WEC is established in time domain.Then a parametric study is performed on the power capture performance of the WEC by considering the influences of different wave and system parameters such as the spring combination parameter,the stiffness of auxiliary springs and main springs,the original length value of the main spring,damping coefficient of the PTO systems and the significant wave height.The results show that in an irregular wave,each parameter will have a certain impact on the performance of the device.Appropriate device parameters need to be selected according to actual environmental parameters to ensure that the adaptive bistable WEC has better power capture performance than its linear and conventional bistable counterparts.
出处 《Journal of Ocean Engineering and Science》 SCIE 2022年第4期383-398,共16页 海洋工程与科学(英文)
基金 This work is supported by Shanghai Pujiang Program(Grant No.19PJ1405400) the 2020 Research Program of Sanya Yazhou Bay Science and Technology City(Grant No.SKJC-2020-01-006) and Hainan Provincial Natural Science Foundation of China(Grant no.520QN290).
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