Fujian Province Key Laboratory of Cleaning Energy Utilization and Development

Xiamen, China

Fujian Province Key Laboratory of Cleaning Energy Utilization and Development

Xiamen, China
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Li H.,Jimei University | Li H.,Fujian Province Key Laboratory of Cleaning Energy Utilization and Development | He H.-Z.,Jimei University | He H.-Z.,Fujian Province Key Laboratory of Cleaning Energy Utilization and Development | And 6 more authors.
Progress in Renewable Energies Offshore - Proceedings of 2nd International Conference on Renewable Energies Offshore, RENEW 2016 | Year: 2016

Conical point absorber buoys have been widely used in Wave Energy Converters (WECs). During their service period, it is normal for them to be subjected to water entry impact typically associated with large impact pressures and forces which may lead to serious damage to the buoys. Since the degree of water impact is characterized by the magnitude of the impact pressures and loads occurring at the object’s surface during water entry, it is important to have detailed information to determine if these impacts pose a possible hazard to the buoy and to the device. In this work, numerical simulations and experiments were performed to estimate the impact pressures, impact speeds and the corresponding impact loads for the conical buoys with various deadrise angles. In the numerical study, the FLUENT’s Volume of Fluid (VOF) has been employed in solving the two-phase problems in 2D simulation for the particular axis-symmetrical conical buoy. By comparison to the experimental data, it is found that the numerical results agree well with the experimental data. © 2016 Taylor & Francis Group, London.

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