2005•The Proceedings of Conference of Kanto BranchOpen access

21309 Aerodynamic Characteristics of Wing in Ground Effect

Naoki Arai, Toshio Iijima, Hisayuki Ennoji

Abstract

Aerodynamic characteristics of four wings in ground effect were investigated by using CFD. The wing profiles are NACA6409 which has a high cambered profile and three types S-shape (NACA6409 based). Numerical results show that for NACA6409 increase of lift and decrease of pitching moment as the distance to the ground is reduced. For S-shape wing, lift increases like NACA6409 and some S-shape wing has good stability of pitching moment.

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Key concepts: Wing, Ground effect (cars), Aerodynamics, Wing twist, Pitching moment, Lift (data mining), Wing loading, Longitudinal static stability