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Studies On The Interference Of Wings And Propeller Slipstreams, Ramadas K. Prabhu
Studies On The Interference Of Wings And Propeller Slipstreams, Ramadas K. Prabhu
Mechanical & Aerospace Engineering Theses & Dissertations
The small disturbance potential flow theory is applied to determine the lift of an airfoil in a nonuniform parallel stream. The given stream is replaced by an equivalent stream with a certain number of velocity discontinuities, and the influence of these discontinuities is obtained by the method of images. Next, this method is extended to the problem of an airfoil in a nonuniform stream of smooth velocity profile. This model allows perturbation velocity potential in a rotational undisturbed stream. A comparison of these results with numerical solutions of Euler equations indicates that, although approximate, the present method provides useful information …