This paper presents a novel method of scaling a baseline propeller map ηprop=f(J,CP,M) in order to obtain the performance of a propeller with different design characteristics. The developed method employs a Goldstein/Theodorsen model to calculate the ideal efficiency and a simple approach to estimate the propeller activity factor. The proposed scaling technique enables the use of a single propeller map for propellers with different design flight conditions, diameters, number of blades, activity factors, tip speeds, or power, provided that the blade sweep and airfoil distributions remain constant.
Novel Propeller Map Scaling Method
Journal of propulsion and power ; 32 , 6
2016
Aufsatz (Zeitschrift)
Englisch
Novel Propeller Map Scaling Method
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