Investigation of a Centrifugal Pump Impeller Vane Profile Using CFD

R. Ragoth Singh(1*), M. Nataraj(2), S. Surendar(3), M. Siva(4)

(1) Department of Mechanical Engineering, Karpagam College of Engineering, Coimbatore, India
(2) Department of Mechanical Engineering, Government College of Technology, Coimbatore, India
(3) Department of Mechanical Engineering, Kathir college of Engineering, Coimbatore, India
(4) Department of Aeronautical Engineering, Excel Engineering College, Anna University, India
(*) Corresponding author

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In this study, Computational Fluid Dynamics (CFD) approach was proposed to analyze the flow in the centrifugal pump impeller using the SolidWorks Flow Simulation (SWFS). Impeller is designed for the head (H) 24 m; discharge (Q) 1.583 L/s; and speed (N) 2880 rpm. Impeller vane profile was generated by circular arc method and point by point method and CFD analysis was performed for the impeller vane profile. Further the impeller is analyzed for both forward and backward curved vane. The internal flow simulation was solved by Navier-Stokes equations with modified K- ε turbulence model in the impeller. Velocity and pressure distribution were analyzed for the modified impellers. As the result, impeller with backward curved circular arc vane showed good agreement.
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CFD; Impeller; Turbulence Model; Vane Profile

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