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The Influence of the Geometrical Features of a Stator with the Crossover Shaped as a Spherical Surface on Pump Performance

Author

Listed:
  • Janusz Skrzypacz

    (Faculty of Mechanical and Power Engineering, Department of Energy Conversion Engineering, Wroclaw University of Science and Technology, 50-370 Wrocław, Poland)

  • Przemysław Szulc

    (Faculty of Mechanical and Power Engineering, Department of Energy Conversion Engineering, Wroclaw University of Science and Technology, 50-370 Wrocław, Poland)

  • Witold Lorenz

    (Department of Research and Development, Hydro-Vacuum S.A., 86-303 Grudziądz, Poland)

Abstract

The paper presents a new approach to designing the stator of a multistage centrifugal pump, which has a simple structure, satisfactory operating parameters, and is easy to manufacture. The stator is distinguished by its lack of a classic diffuser part, with the shape of its crossover being similar to a segment of a spherical surface. This solution was patented in 1989, but to date it is not well known and practically not used. The paper attempts to identify the flow phenomena in such a stator and also to examine the impact of the design features of the stator on the pump’s operating parameters. Both experimental methods and numerical modelling were used in the research.

Suggested Citation

  • Janusz Skrzypacz & Przemysław Szulc & Witold Lorenz, 2022. "The Influence of the Geometrical Features of a Stator with the Crossover Shaped as a Spherical Surface on Pump Performance," Energies, MDPI, vol. 15(24), pages 1-23, December.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:24:p:9284-:d:996429
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