Cavitating turbulent flow investigation for the twisted NACA66 hydrofoil using a PANS model with helicity modification
Chen Geng,
Zhaohui Qian,
Kexin Zheng
et al.
Abstract:In the present paper, the unsteady cavitating turbulent flow over the twisted NACA66 hydrofoil has been investigated based on an SST k-ω partially averaged Navier-Stokes (MSST PANS) model i.e., NMSST PANS model, where the production term of kinetic energy in turbulence model is modified with helicity. Compared with the experimental data, cavitation evolution, and its characteristic frequency are satisfactorily predicted by the proposed NMSST PANS model. It is revealed that the interaction among the main flow, … Show more
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