Aerodynamic Design of High Pressure Ratio Centrifugal Compressors

This report describes the aerodynamic design of centrifugal compressors.The design approach is based on Jet and Wake Model with suitable loss correlation in it.The method incorporates a matching inducer and diffuser design for optimum compressor performance.For given input parameters like mass flow rate and pressure ratio the design programme generates a 3-d impeller with optimized aerodynamic parameters. A computer programme was developed based on the above method.Using this computer programme radial and back swept impellers to develop a pressure ratio of 6.0 at 0.96kg/sec were designed.This design method explained in this report is one step improvement on one dimensional design approach used widely