A method for defining the shape of an edge of an aerofoil comprises the following steps: obtaining a starting value for the thickness of the edge; defining a distance from the edge of the aerofoil in terms of the thickness; over the defined distance, defining a space S in terms of normalised camberline and normalised thickness; transforming the space S to a new space S′; parameterising the new space S′ to obtain new values for normalised camberline and normalised thickness; defining a new shape for the edge using the new parameter values. In a preferred embodiment, the transforming step comprises applying a parabolic function to the space S.
Method for optimising the shape of an aerofoil and corresponding aerofoil
Verfahren zur Optimierung der Form eines Schaufelprofils und zugehöriges Schaufelprofil
Procédé pour l'optimisation de la forme d'un profil d' aube et profil d' aube associé
2015-08-26
Patent
Electronic Resource
English
IPC: | F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS / B64C AEROPLANES , Flugzeuge / F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES / F03D Windkraftmaschinen , WIND MOTORS |
Wiley | 2014
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