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Simulation of the Filling Capability in Vane Pumps

Author

Listed:
  • Massimo Rundo

    (Department of Energy, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Turin, Italy)

  • Giorgio Altare

    (Department of Energy, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Turin, Italy)

  • Paolo Casoli

    (Industrial Engineering Department, University of Parma, Parco Area delle Scienze 181/A, 43124 Parma, Italy)

Abstract

In positive displacement pumps, the main volumetric loss at high speed is due to the incomplete filling of the variable volume chambers. The prediction of the limit speed and of the maximum flow rate delivered by a pump can be obtained only through Computational Fluid Dynamics (CFD) simulations, since the shape, the orientation, and the movement of the chambers with respect to the inlet volume must be considered, along with the non-uniform distribution of the gaseous phase, due to the dissolved air release. In this paper, the influence of different geometric parameters on the filling of a vane pump has been investigated through the commercial software PumpLinx ® . At first, a model of a reference pump has been created and validated with different configurations of the suction flow area, then a simplified model has been used for assessing the influence of the geometry of the rotating assembly. It was found that a pump with a low ratio between the axial thickness and the diameter has a higher volumetric efficiency if the chambers are fed from one side only. Opposite behaviors were found in the case of pumps with small diameters and high thicknesses. Moreover, the filling could be improved by increasing the number of chambers, and by reducing the diameter of the rotor, even only locally.

Suggested Citation

  • Massimo Rundo & Giorgio Altare & Paolo Casoli, 2019. "Simulation of the Filling Capability in Vane Pumps," Energies, MDPI, vol. 12(2), pages 1-18, January.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:2:p:283-:d:198554
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    References listed on IDEAS

    as
    1. Massimo Rundo, 2017. "Models for Flow Rate Simulation in Gear Pumps: A Review," Energies, MDPI, vol. 10(9), pages 1-32, August.
    2. Paolo Casoli & Andrea Bedotti & Federico Campanini & Mirko Pastori, 2018. "A Methodology Based on Cyclostationary Analysis for Fault Detection of Hydraulic Axial Piston Pumps," Energies, MDPI, vol. 11(7), pages 1-19, July.
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    Cited by:

    1. Thomas Lobsinger & Timm Hieronymus & Hubert Schwarze & Gunther Brenner, 2021. "A CFD-Based Comparison of Different Positive Displacement Pumps for Application in Future Automatic Transmission Systems," Energies, MDPI, vol. 14(9), pages 1-24, April.
    2. Paolo Casoli & Mirko Pastori & Fabio Scolari & Massimo Rundo, 2019. "A Vibration Signal-Based Method for Fault Identification and Classification in Hydraulic Axial Piston Pumps," Energies, MDPI, vol. 12(5), pages 1-18, March.
    3. Thomas Lobsinger & Timm Hieronymus & Gunther Brenner, 2020. "A CFD Investigation of a 2D Balanced Vane Pump Focusing on Leakage Flows and Multiphase Flow Characteristics," Energies, MDPI, vol. 13(13), pages 1-24, June.
    4. Paolo Casoli & Carlo Maria Vescovini & Fabio Scolari & Massimo Rundo, 2022. "Theoretical Analysis of Active Flow Ripple Control in Positive Displacement Pumps," Energies, MDPI, vol. 15(13), pages 1-22, June.
    5. Paolo Casoli & Fabio Scolari & Massimo Rundo & Antonio Lettini & Manuel Rigosi, 2020. "CFD Analyses of Textured Surfaces for Tribological Improvements in Hydraulic Pumps," Energies, MDPI, vol. 13(21), pages 1-22, November.
    6. Fatigati, Fabio & Di Bartolomeo, Marco & Cipollone, Roberto, 2022. "Development and experimental assessment of a Low Speed Sliding Rotary Vane Pump for heavy duty engine cooling systems," Applied Energy, Elsevier, vol. 327(C).
    7. Alessandro Corvaglia & Massimo Rundo & Paolo Casoli & Antonio Lettini, 2021. "Evaluation of Tooth Space Pressure and Incomplete Filling in External Gear Pumps by Means of Three-Dimensional CFD Simulations," Energies, MDPI, vol. 14(2), pages 1-16, January.

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    Keywords

    CFD; pump filling; vane pump;
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