Abstract
The recent development of the Lattice Boltzmann Method has been widely applied in various industrial fields. In the application of rotor machinery simulation, the sliding mesh method with grid refinement becomes particularly important for the scenario of large-scale rotating flow computation. A new sliding mesh method based on the extrapolation boundary condition, with only first order interpolation across the interface, is proposed in the current study, which achieved a second order solving precision in two dimensional cases of Taylor-Couette flow and flow over a rotating elliptical cylinder. In the simulation of flow over a rotating propeller, both aerodynamic loads and far-field tonal noise were predicted and matched well with the experimental results.
Published Version
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