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23 June 2020 Coupled Motion Prediction of a Floating Tidal Current Power Station with Vertical Axis Twin-rotor Turbine
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Abstract

Hu, C.; Ma, Y.; Li, L., and Li, T., 2020. Coupled motion prediction of a floating tidal current power station with vertical axis twin-rotor turbine. In: Yang, Y.; Mi, C.; Zhao, L., and Lam, S. (eds.), Global Topics and New Trends in Coastal Research: Port, Coastal and Ocean Engineering. Journal of Coastal Research, Special Issue No. 103, pp. 784–788. Coconut Creek (Florida), ISSN 0749-0208.

Floating offshore tidal current turbines are usually moored in the sea, which will endure the wind-wave-current load in a long term. Power production of the tidal current turbine will result in extra excitation force acting on the platform, which will make the motion prediction and positioning system design of the floating platform more complicated. In order to predict the motion response of a floating tidal current power station, a coupled motion prediction method is established to explore the coupled interaction among the platform, the turbine and the mooring system. The turbine influence is considered as added mass and damping acting on the platform. Results shows that the fitted hydrodynamics agree well with numerical simulation results. The operation of the tidal turbine can increase the surge amplitude and pitch angle of catamaran, and the mooring line tension will increase as well. The research can provide some reference for motion response prediction and mooring positioning of a floating tidal current power station.

©Coastal Education and Research Foundation, Inc. 2020
Chao Hu, Yong Ma, Lei Li, and Tengfei Li "Coupled Motion Prediction of a Floating Tidal Current Power Station with Vertical Axis Twin-rotor Turbine," Journal of Coastal Research 103(sp1), 784-788, (23 June 2020). https://doi.org/10.2112/SI103-162.1
Received: 28 December 2019; Accepted: 6 March 2020; Published: 23 June 2020
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