Numerical study on the optimization of hydrodynamic performance of oscillating buoy wave energy converter

• Autorzy: Lai Wenbin , Xie Yonghe , Li Detang

Identyfikatory

DOI

10.2478/pomr-2021-0005

• Języki publikacji: EN

Abstrakty

EN

The oscillating buoy wave energy converter (OBWEC) captures wave energy through the undulating movement of the buoy in the waves. In the process of capturing wave energy, the hydrodynamic performance of the buoy plays an important role. This paper designed the “Haida No. 1” OBWEC, in which the buoy adopts a form of swinging motion. In order to further improve the hydrodynamic performance of the buoy, a 2D numerical wave tank (NWT) model is established using ADINA software based on the working principle of the device. According to the motion equation of the buoy in the waves, the influence of the buoy shape, arm length, tilt angle, buoy draft, buoy width, wave height and Power Take-off (PTO) damping on the hydrodynamic performance of the buoy is studied. Finally, a series of physical experiments are performed on the device in a laboratory pool. The experimental results verify the consistency of the numerical results. The research results indicate that the energy conversion efficiency of the device can be improved by optimizing the hydrodynamic performance of the buoy. However, the absorption efficiency of a single buoy for wave energy is limited, so it is very difficult to achieve full absorption of wave energy.

Słowa kluczowe

EN

wave energy converter; hydrodynamic performance; numerical simulation; physical experiment

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2021
• Tom: nr 1
• Strony: 48--58
• Opis fizyczny: Bibliogr. 20 poz., rys.

Twórcy

autor

Lai Wenbin

• Zhejiang Ocean University Dinghai, 316022 Zhoushan China

autor

Xie Yonghe

• Zhejiang Ocean University Dinghai, 316022 Zhoushan China

autor

Li Detang

• Zhejiang Ocean University Dinghai, 316022 Zhoushan China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).