ARSPNS: a method to calculate steady and unsteady potential flow about fixed and rotating lifting and nonlifting bodies

Report (1985)

Authors

M.H.L. Hounjet

Algorithms Wind turbines Finite volume method Integral equations Potential flow Aerodynamic drag Wakes Unsteady flow Incompressible flow Panel methods (fluid mechanics) Wing oscillations Rotor blades (turbo machinery)

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Published Date

31-12-1985

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NLR-TR 85114 U

Abstract

A new method ARNSPNS is described for the calculation of steady and time-linearized unsteady incompressible potential flow about arbitrary lifting and nonlifting bodies in an arbitrary mean steady flow field, including rotation. The method belongs to the category of the so-called panel methods. Applications have been made to wind turbines including the effects of tipvanes. A new integration scheme for obtaining the loads is applied which contains implicitly the suction force in case of a lifting surface approximation and which should improve the drag prediction in case of a full body approximation.

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