Development of A 3D Inverse Design Code for Application to Different Turbo and Hydraulic Machinery Components

This paper describes the current stage of development of a code for 3D inverse design of the blade and meridional geometry of different turbo and hydraulic machinery components.  The paper starts by describing the basic features of the method, in which the blades are represented by sheets of vorticity whose strength is related to a specified circulation distribution or rVθ.  The extension of the method to design of blades with splitters and the design of meridional geometry of turbomachines is then briefly described.  The application of the method to design of blade geometry of the impeller of a radial-inflow turbine, a centrifugal compressor and a mixed flow pump, indicate the considerable potential of the method in designing blades with superior performance as compared with the corresponding state-of-the-art conventional impellers.  Applications of the method to other turbomachinery components such as vaned diffusers and the design of the meridional geometry show the robustness and the generality of this code.

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