Numerical simulation of Vortex-shedding from NACA4418 hydrofoil
作者: Srijna SinghMohammad DanishKaushik SahaVinayak Ranjan
作者单位: 1Bennett University , Greater Noida , India
2Indian Institute of Technology , New Delhi , India
刊名: Vibroengineering PROCEDIA, 2018, Vol.21 , pp.125-130
来源数据库: JVE International Ltd
DOI: 10.21595/vp.2018.20396
关键词: NACA 4418HydrofoilVortex sheddingTransition SST
原始语种摘要: To get better understanding of vortex shedding mechanism, we conducted numerical simulation on NACA 4418 hydrofoil at an angle of attack of 12° for 2D incompressible flow. The numerical method consists of transient, finite volume method using Transient SST turbulent model to capture the turbulent wake flows. At high Reynolds number the occurrence of 2D structures of shed vortices and the modulation of vortex-induced frequency are investigated. The lift, pressure and skin friction coefficients of hydrofoil were studied.
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关键词翻译
关键词翻译
  • hydrofoil 水翼
  • shedding 脱落
  • simulation 模拟
  • modulation 
  • incompressible 不可压缩的
  • understanding 理解
  • Reynolds 雷诺
  • vortex 涡旋
  • angle 
  • numerical 数字的