科研之友
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摘要
The oscillation of the floating tidal current carrier will cause the vertical axis tidal turbine to oscillate together, thereby changing the load distribution of the turbine main shaft. At the same time, the working load of the vertical axis turbine will also affect the motion response of the floating carrier. Based on the theory of CFD computational fluid dynamics, this paper studies the coupling motion characteristics of vertical axis turbines and floating tidal current carriers. Firstly, through the viscous CFD simulation, under the consideration of the oscillation of floating tidal current carrier, the working load of the tidal turbine was accurately calculated, Then, the motion response under the coupled action of vertical axis tidal turbine, mooring system and floating carrier is studied. The results show that the fluctuation of the floating tidal current energy carrier will change the distribution law of the turbine main shaft load and increase the load peak; The working load of the turbine will have a great influence on the motion response of the floating carrier on the three degrees of freedom of the yawing, swaying and heaving. The research results of this paper will provide reference for the design of floating tidal current power station.
