Abstract
Blade hydrofoil has a vital impact on efficiency of energy conversion of hydro turbine which is the core device in harnessing tidal current energy. In this paper, lattice Boltzmann method, combined with large eddy simulation (LBM-LES), where Smagorinsky model adopted, was proposed to simulate and analyze the performance of blade hydrofoil in tidal current flow with high Reynolds number in engineering application and solved the problem of instability when simulating flow with high Reynolds number using traditional lattice Boltzmann method. The results of simulation were verified by comparing with available experiment data and literatures.
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