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Model of the Floating Bearing Bushing Movement in an External Gear Pump and the Relation to Its Parameterization

Author

Listed:
  • Miquel Torrent

    (Campus Terrassa, Department of Fluid Mechanics, CATMech, Universitat Politécnica de Catalunya, Colom 7, 08222 Terrassa, Spain)

  • Pedro Javier Gamez-Montero

    (Campus Terrassa, Department of Fluid Mechanics, CATMech, Universitat Politécnica de Catalunya, Colom 7, 08222 Terrassa, Spain)

  • Esteban Codina

    (Campus Terrassa, Department of Fluid Mechanics, CATMech, Universitat Politécnica de Catalunya, Colom 7, 08222 Terrassa, Spain)

Abstract

This article presents the modeling, simulation and experimental validation of the movement of the floating bearing bushing in an external gear pump. As a starting point, a complete pump parameterization was carried out through standard tests, and these parameters were used in a first bond graph model in order to simulate the gear pump behavior. This model was experimentally validated under working conditions in field tests. Then, a sophisticated bond graph model of the movement of the floating bushing was developed from the equations that define its lubrication. Finally, as a result, both models were merged by integrating the dynamics of the floating bushing bearing with the variation of the characteristic parameters (loss coefficients). Finally, the final model was experimentally validated both in laboratory and field tests by assembling the pump in a drilling machine to drive the auxiliary movements. The novelty of this article is the conception and construction of a simple and experimentally validated tool for the study of a gear pump, which relates its macroscopic behavior as a black box (defined by the loss coefficients) to the internal changes of the unit (defined by its internal lubrication).

Suggested Citation

  • Miquel Torrent & Pedro Javier Gamez-Montero & Esteban Codina, 2021. "Model of the Floating Bearing Bushing Movement in an External Gear Pump and the Relation to Its Parameterization," Energies, MDPI, vol. 14(24), pages 1-23, December.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:24:p:8553-:d:705775
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    References listed on IDEAS

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    1. Xinran Zhao & Andrea Vacca, 2019. "Theoretical Investigation into the Ripple Source of External Gear Pumps," Energies, MDPI, vol. 12(3), pages 1-26, February.
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    Cited by:

    1. Ionuţ Gabriel Ghionea, 2022. "Applied Methodology for Designing and Calculating a Family of Spur Gear Pumps," Energies, MDPI, vol. 15(12), pages 1-19, June.

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