Numerical Investigation of a First Stage of a Multistage Centrifugal Pump: Impeller, Diffuser with Return Vanes, and Casing

<table>Efficiency versus volume flow rate (parameter: wall roughness height).</table>

International Scholarly Research Notices

Figure 26: Numerical Investigation of a First Stage of a Multistage Centrifugal Pump: Impeller, Diffuser with Return Vanes, and Casing 