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About the Influence of Eco-Friendly Fluids on the Performance of an External Gear Pump

Author

Listed:
  • Gabriele Muzzioli

    (Department of Sciences and Methods for Engineering, University of Modena and Reggio Emilia, 42122 Reggio Emilia RE, Italy)

  • Luca Montorsi

    (Department of Sciences and Methods for Engineering, University of Modena and Reggio Emilia, 42122 Reggio Emilia RE, Italy
    InterMech—MO.RE., 41125 Modena MO, Italy)

  • Andrea Polito

    (Department of Sciences and Methods for Engineering, University of Modena and Reggio Emilia, 42122 Reggio Emilia RE, Italy
    InterMech—MO.RE., 41125 Modena MO, Italy)

  • Andrea Lucchi

    (Dana Motion Systems Italia S.r.l., 42124 Reggio Emilia RE, Italy)

  • Alessandro Sassi

    (Dana Motion Systems Italia S.r.l., 42124 Reggio Emilia RE, Italy)

  • Massimo Milani

    (Department of Sciences and Methods for Engineering, University of Modena and Reggio Emilia, 42122 Reggio Emilia RE, Italy
    InterMech—MO.RE., 41125 Modena MO, Italy)

Abstract

This paper wants to investigate the effects of eco-friendly fluids on the thermo-fluid-dynamic performance of external gear pumps in order to provide a first response to the increasingly urgent demands of the green economy. A computational fluid dynamics (CFD) approach based on the overset mesh technique was developed for the simulation of the full 3D geometry of an industrial pump, including all the characteristic leakages between components. A sensibility analysis of the numerical model with respect to different fluid properties was performed on a commonly used mineral oil, showing the key role of the fluid compressibility on the prediction of the pump volumetric efficiency. Moreover, the influence of temperature internal variations on both fluid density and viscosity were included. The BIOHYDRAN TMP 46 eco-friendly industrial oil and olive oil were further considered in this work, and the results of the simulations were compared for the three fluid configurations. A slightly lower volumetric efficiency was derived for the olive oil application against the other two conditions, but suggestive improvements were produced in terms of pressure and temperature distributions. Therefore, based on the obtained results, this paper encourages research activity towards the use of eco-friendly fluids in the hydraulic field.

Suggested Citation

  • Gabriele Muzzioli & Luca Montorsi & Andrea Polito & Andrea Lucchi & Alessandro Sassi & Massimo Milani, 2021. "About the Influence of Eco-Friendly Fluids on the Performance of an External Gear Pump," Energies, MDPI, vol. 14(4), pages 1-26, February.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:4:p:799-:d:492377
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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. Rituraj Rituraj & Andrea Vacca & Mario Antonio Morselli, 2020. "Thermal Modelling of External Gear Machines and Experimental Validation," Energies, MDPI, vol. 13(11), pages 1-24, June.
    3. Emma Frosina & Adolfo Senatore & Manuel Rigosi, 2017. "Study of a High-Pressure External Gear Pump with a Computational Fluid Dynamic Modeling Approach," Energies, MDPI, vol. 10(8), pages 1-20, July.
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    Cited by:

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