This paper describes the design of the blade geometry of a medium specific speed mixed flow pump impeller by using a three-dimensional inverse design method in which the blade circulation (or rVθ) is specified. Here taking the forward impeller blade as an existing impeller the impeller design was established based on the calculation discussed below in the methodology section. The Backward impeller has the high pressure ratio among the other two forward and radial impeller blades, but the idea of designing an impeller with changes in the root and tip of the forward impeller blade gives us higher in the pressure as well as in the velocity for the combustion without changing any other blades compressor design efficiency was 25% and its acceptable for performance in high flow rate conditions purpose to design a model of compressor to retain its efficiency standard, some information for designing industrial empirical centrifugal compressors with a focus on the impeller and also the main advantages of CFD analysis in varying and optimized shape deformation analysis. The stream moving toward the impeller might be with or without whirl the inducer segment can be viewed segment pivotal blowers rotor set upstream of the spiral impeller and some observation and determination of Velocity profile pattern and pressure distribution in CFD simulation program by change in design to improve the performance of the impeller. It very well may be made in one piece comprising of both the inducer area and bigger spiral segment.
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