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Helicopter rotor loads using a matched asymptotic expansion technique (1981)

Pierce, G. A. ; Vaidyanathan, A. R.

In: CASI

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Publication Date: 2019-06-28

Description: The theoretical basis and computational feasibility of the Van Holten method, and its performance and range of validity by comparison with experiment and other approximate methods was examined. It is found that within the restrictions of incompressible, potential flow and the assumption of small disturbances, the method does lead to a valid description of the flow. However, the method begins to break down under conditions favoring nonlinear effects such as wake distortion and blade/rotor interaction.

Keywords: AERODYNAMICS

Type: NASA-CR-165742 , NAS 1.26:165742

Format: application/pdf

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