aerodynamic lift

aerodynamic lift

A force produced by air moving over a specially shaped surface called an airfoil. Lift acts in a direction perpendicular to the direction the air is moving. Airplane wings and helicopter rotors produce vertical lift, and propellers produce aerodynamic lift (thrust) in a horizontal plane.

The amount of aerodynamic lift is determined by the density of the air, the speed of the air, and the direction the air is flowing as it approaches the airfoil.

L = (CL σ V2 S) / 295

L = Lift (pounds)

CL = Coefficient of lift (dimensionless)

σ = Air density ratio (dimensionless)

V2 = Square of airstream velocity (knots)

S = Airfoil planform area (square feet)

295 = A constant used when velocity is given in knots

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Part of Speech: noun
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Industry/Domain: Aviation
Category: Aeronautics
Company: Aviation Supplies & Academics
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