Journal of computational fluids engineering (한국전산유체공학회지)

Korean Society of Computational Fluids Engineering (한국전산유체공학회)
권호 표지

TURBULENT FLOW SIMULATION ON THE GROUND EFFECT ABOUT A 2-DIMENSIONAL AIRFOIL

2차원 날개 주위의 지면효과에 대한 난류 유동장 해석

  • 김윤식 (한국해양연구원 해양시스템안전연구소) ;
  • 이재은 (한국과학기술원 항공우주공학과) ;
  • 신명수 (한국해양연구원 해양시스템안전연구소) ;
  • 강국진 (한국해양연구원 해양시스템안전연구소) ;
  • 권장혁 (한국과학기술원 항공우주공학과)
  • Published : 2006.12.31
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Abstract

Two dimensional turbulent flow simulations on the low Mach number - high Reynolds number flow about the NACA 4412 airfoil are carried out as the airfoil approaches a ground. It has turned out that angle of attack between 2 and 8 degrees is recommended for the airfoil to utilize the benefit of ground effect. For the large angle of attack, the increment of lift due to the ground effect is faded away and negative aerodynamic effect such as destabilizing aspect in static longitudinal stability occurs and the separation point moves to forward as the airfoil approaches a ground.

Keywords

References

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