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The Prediction of Transonic Flows on an Advancing Rotor (1984)

Johnson, Wayne R. ; Tung, Chee ; Cardona, Francis X.

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Publication Date: 2019-07-13

Description: The object of this investigation was to find and demonstrate a means of performing efficient finite-difference computations of rotor loading for a trimmed rotor in high-speed, forward flight. The essence of the scheme that was developed is a loose-coupled iteration procedure between a finite difference and a comprehensive integral rotor code. The coupling involves a transfer of appropriate load and inflow data on the advancing side between the two codes such that consistency maintained. Sample computations, including a limited comparison with model rotor data, are presented. The scheme converges rapidly. However, even one iteration with this scheme can provide sufficient accuracy for many purposes.

Keywords: Aerodynamics

Type: May 01, 1984; Arlington, VA; United States

Format: text

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