A numerical and experimental flow analysis in a centrifugal pump with impeller-volute interaction
Joaquín Fernández, Jorge Parrondo, Thomas Scanlon, Matthew Stickland
Abstract
Joaquín Fernández, Jorge Parrondo, Thomas Scanlon, Matthew Stickland
Abstract
This paper shows the capability of a numerical simulation in capturing the dynamic and unsteady flow effects inside a centrifugal pump due to the impeller-volute interaction. The object of the study is a commercial centrifugal water pump with backward curved blades, which is built within a vaneless single tongue volute. For the numerical simulation, the viscous Navier-Stokes equations are handled with an unsteady calculation and the sliding mesh technique is applied to take into account the impeller-volute interaction.
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This paper shows the capability of a numerical simulation in capturing the dynamic and unsteady flow effects inside a centrifugal pump due to the impeller-volute interaction. The object of the study is a commercial centrifugal water pump with backward curved blades, which is built within a vaneless single tongue volute. For the numerical simulation, the viscous Navier-Stokes equations are handled with an unsteady calculation and the sliding mesh technique is applied to take into account the impeller-volute interaction.
Key concepts: Volute, Impeller, Centrifugal pump, Mechanics, Flow (mathematics), Specific speed, Computer simulation, Mechanical engineering