Design And Performance Study Of A Centrifugal Compressor Used In Helicopter Application

Ng, Shirley Hwee Sun (2008) Design And Performance Study Of A Centrifugal Compressor Used In Helicopter Application. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Centrifugal compressor is an essential part that consist in the helicopter engine, it is used to increase the pressure of the incoming air before enter the combustion burner. Single stage of centrifugal compressor is used in most helicopter application are due to their weight is light, the size is small and the pressure ratio is high. There are many ways that can increase the performance of centrifugal compressor, and one of the factors is the performance of the impeller. Impeller, consists in the centrifugal compressor, is used to increase the energy level of the fluid by whirling it outwards, thereby increasing the angular momentum of the fluid. Both the static pressure and the velocity are increase within the impeller. Thus, a study about the impeller performance will study in this project. Three different angle of impeller blade are design using Solid Work drawing. Computational Fluid Dynamics (CFD) technique will used to simulate the three design impeller with different blade angle. The comparisons to verify the design were made between the CFD simulation results. In the end, the result should come out with the impeller blade angle that can produce higher pressure ratio.

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