Abstract
Under the action of the Kuroshio, the turbine anchored by a single cable on the relay platform shall experience complicated reaction to the strong current, among which the displacement of the turbine swift with the current, the deformation of the turbine body due to the forces applied by the current, and the vibration of the turbine due to the dynamic effects in various respects are all important problems to be solved to make a turbine of great power efficiency. On the other hand, the power efficiency of turbine correlates closely with its structure stiffness. To analyze the stiffness of the turbine, one shall investigate the reaction force applied on each component of the turbine, the dynamical effects due to the vortex shedding generated from rotor, the high-frequency force variation due to the turbulence, the impact due to the phase difference between rotors, and the cavitation possibly occurring on the rotor blade so that the design of turbine can be carried out. In this chapter, we employ the computational fluid dynamic to explore the time-dependent dynamic forces applied on the turbine under the action of the Kuroshio, and the results are compared with those obtained by blade element momentum (BEM) theory to confirm the accuracy of the CFD results.
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Chen, F. (2013). Dynamic Analysis and Design of Turbine. In: The Kuroshio Power Plant. Lecture Notes in Energy, vol 15. Springer, Cham. https://doi.org/10.1007/978-3-319-00822-6_3
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DOI: https://doi.org/10.1007/978-3-319-00822-6_3
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