Publication de 8 numéros par an
ISSN Imprimer: 2150-3621
ISSN En ligne: 2150-363X
Indexed in
SIMULATION OF THE HYDRODYNAMIC PERFORMANCE OF A HORIZONTAL AXIS TIDAL TURBINE BLADE DESIGNED BY PROFILE MODELING BASED ON THE SHARK FIN
RÉSUMÉ
Blades are the core components of horizontal axis tidal turbines, and their efficiency has an important impact on the utilization of tidal current energy. In this paper, the excellent hydrodynamic performance of shark fins is applied to the blades design of a horizontal axis tidal turbine. Firstly, the three-dimensional digital models of shark fins are established through 3D scanning technology, and the blades of horizontal axis tidal turbine are obtained by profile modeling of the shark fin. Secondly, the software of computational fluid dynamics (CFD) is applied to analyze the hydro-dynamic performance of the bionic blades. The parameters of power efficiency coefficient CP, axial force coefficient CF, and torque coefficient CT of bionic blades are investigated and compared with conventional blades. The simulation result shows that the hydrodynamic performance of the bionic blades is better than that of conventional blades under the condition of the minor speed ratio at the blade tip. An innovative idea for the research on the tidal current turbine blades is provided.
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Zhang, K., Zou, Q., Wang, Y., and Zhang, B., (2017) , Bionic Shark Fin Combined Airfoil Blade Optimal Design and Numerical Simulation of Horizontal Axis Tidal Current Turbine, Int. J. Energy Clean Environ., 18(4), pp. 365–385.
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Zhu, W.Q., Wu, B.G., Li, S.X., Dong, Y.J., and Guo, J.F., (2014) , Design and Study on Ocean Energy with the Horizontal Axis Tidal Current Turbine's Blade Especially for China's Low Tidal Current Velocity, Adv. Mater. Res., 908, pp. 465–468.
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Zhang Kaisheng, Yang Shihao, Gao Zhen, Zhang Baocheng, The Blade Design of a Bionic Shark Fin Airfoil for a Horizontal Axis Tidal Current Turbine, Journal of Energy Engineering, 147, 6, 2021. Crossref
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Zhang Kaisheng, Li Jing, Gao Zhen, Zhang Baocheng, Design and performance evaluation of bionics-based combined blade for horizontal axis tidal current hydroturbine, Journal of Renewable and Sustainable Energy, 14, 5, 2022. Crossref