Note on the Lift acting On a Circular-arc Aerofoil in a Stream bounded by a Plane Wall

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概要

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• Being a continuation of the preceding paper, Green's new method, somewhat extended by the present writer, is applied to the evaluation of the lift acting on a circular-arc aerofoil in the presence of an infinite plane rigid wall. The expression for the lift is obtained in the form of a power series. By performing detailed numerical calculations, a discussion is made on the manner in which the ground-effect on the lift of an aerofoil is modified by its camber. It is thus found that in accordance with the prediction made by Tomotika et. al., as the arc-aerofoil of sufficiently small camber approaches the wall, the lift first decreases and then tends to increase to values which are greater than the corresponding values for the same arc-aerofoil in an unlimited stream, especially when the angle of attack takes small values as used in practice. It is also found that the rate of increase in the lift becomes smaller as the camber of the aerofoil increases.

• 一般社団法人日本物理学会の論文
• 1954-04-25

著者

• Fujikawa Hiroomi

  Junior College If Engineering University Of Osaka Prefecture

関連論文

• The Steady Flow of Viscous Fluid at Low Reynolds Numbers passing obliquely through a Plane Grid made of Equal Parallel Circular Cylinders
• The Lift On the Symmetrical Joukowski Aerofoil in a Stream bounded by a Plane Wall
• Expansion Formulae for the Forces acting on Two Equal Circular Cylinders placed in a Uniform Stream at Low Values of Reynolds Number
• Note on the Lift acting On a Circular-arc Aerofoil in a Stream bounded by a Plane Wall
• The Forces Acting on Two Equal Circular Cylinders placed in a Uniform Stream at Low Values of Reynolds Number

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