Large eddy simulation and investigation on the laminar-turbulent transition and turbulence-cavitation interaction in the cavitating flow around hydrofoil

International Journal of Multiphase Flow(2019)

引用 66|浏览5
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摘要
•Subtle vortical wave, hairpin vortices and pressure disturbance are captured by LES.•Cavitation makes super large-scaled vortices in wake and abnormal pressure spectrum.•Shedding mechanism is not accurate by re-entrant jet but also by turbulence effect.•Counterintuitive force jump is caused by pressure rising induced by cavity collapse.•Vorticity mechanisms are analyzed to clarify cavitation effects on vortex structure.
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关键词
Large eddy simulation,Cavitation,Hydrofoil,Turbulence,Vortical structure
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