The origin of lift – understanding lift
by Jean-Jacques Chattot
International Journal of Aerodynamics (IJAD), Vol. 7, No. 1, 2020

Abstract: In this note, an attempt at giving as simple as possible an explanation for the lift of an airfoil is proposed based on an intuitive use of Newton's law on one hand and the application of the well-established inviscid flow theory of thin airfoils on the other. A thin parabolic cambered plate is chosen as profile at zero incidence because the flow it produces minimises viscous effects and the particle paths along the plate, above and below it, have the same length, thus proving the 'equal transit' explanation to be wrong.

Online publication date: Wed, 06-May-2020

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