RESEARCH ON HYDRODYNAMIC CHARACTERISTICS OF NEW DOUBLE-BODY WAVE ENERGY CONVERSION DEVICE

Zhang Lei; Gu Xingyuan; Niu Yubo; Chen Feiyang; He Peijie; Chen Qijuan

doi:10.19912/j.0254-0096.tynxb.2023-2125

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (4) : 685-691. DOI: 10.19912/j.0254-0096.tynxb.2023-2125

RESEARCH ON HYDRODYNAMIC CHARACTERISTICS OF NEW DOUBLE-BODY WAVE ENERGY CONVERSION DEVICE

Zhang Lei, Gu Xingyuan, Niu Yubo, Chen Feiyang, He Peijie, Chen Qijuan

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Abstract

In order to supply stable and continuous power to ocean buoys,a new two-body wave energy conversion device is proposed. The main body of the device is composed of a buoy and a pendulum with adjustable center of mass position. The model is established according to the design parameters of the new two-body WEC. The device model is meshed using AQWA software. The grid independence test is carried out on the frequency domain model of AQWA. Finally, the frequency domain simulations of the single body and the double body are carried out, respectively. The frequency domain characteristics of the new double-body wave power generation device are compared and studied. The results show that the energy harvesting effect of the pendulum is the best when the wave frequency is 0.2 Hz, and the stability of the buoy is the strongest when the wave frequency is 0.33 Hz. The hydrodynamic parameters of the two-body are different from the corresponding parameters of the single body in some frequency ranges. The new wave energy generation device combined with the ocean buoy and the pendulum has a stronger energy harvesting effect when the wave frequency is less than 0.18 Hz.

Key words

wave energy conversion / hydrodynamics / pendulum / active resonance / AQWA

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Zhang Lei, Gu Xingyuan, Niu Yubo, Chen Feiyang, He Peijie, Chen Qijuan. RESEARCH ON HYDRODYNAMIC CHARACTERISTICS OF NEW DOUBLE-BODY WAVE ENERGY CONVERSION DEVICE[J]. Acta Energiae Solaris Sinica. 2025, 46(4): 685-691 https://doi.org/10.19912/j.0254-0096.tynxb.2023-2125

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