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Pressure Losses in Multiple-Elbow Paths and in V-Bends of Hydraulic Manifolds

Author

Listed:
  • Barbara Zardin

    (Engineering Department Enzo Ferrari, via P. Vivarelli 10, 41125 Modena, Italy)

  • Giovanni Cillo

    (Engineering Department Enzo Ferrari, via P. Vivarelli 10, 41125 Modena, Italy)

  • Massimo Borghi

    (Engineering Department Enzo Ferrari, via P. Vivarelli 10, 41125 Modena, Italy)

  • Alessandro D’Adamo

    (Engineering Department Enzo Ferrari, via P. Vivarelli 10, 41125 Modena, Italy)

  • Stefano Fontanesi

    (Engineering Department Enzo Ferrari, via P. Vivarelli 10, 41125 Modena, Italy)

Abstract

Hydraulic manifolds are used to realize compact circuit layouts, but may introduce high pressure losses in the system because their design is usually oriented to achieving minimum size and weight more than reducing the pressure losses. The purpose of this work is to obtain the pressure losses when the internal connections within the manifold are creating complex paths for the fluid and the total loss cannot be calculated simply as the sum of the single losses. To perform the analysis both Computational Fluid Dynamic (CFD) analysis and experimental tests have been executed. After the comparison between numerical and experimental results, it was possible to assess that the numerical analysis developed in this work is able to depict the correct trends of the pressure losses also when complex fluid path are realized in the manifold. Successively, the numerical analysis was used to calculate the pressure loss for inclined connections of channels (or V-bends), a solution that is sometimes adopted in manifolds to meet the design requirements aimed towards the minimum room-minimum weight objective.

Suggested Citation

  • Barbara Zardin & Giovanni Cillo & Massimo Borghi & Alessandro D’Adamo & Stefano Fontanesi, 2017. "Pressure Losses in Multiple-Elbow Paths and in V-Bends of Hydraulic Manifolds," Energies, MDPI, vol. 10(6), pages 1-21, June.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:6:p:788-:d:100722
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    References listed on IDEAS

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    1. Barbara Zardin & Giovanni Cillo & Carlo Alberto Rinaldini & Enrico Mattarelli & Massimo Borghi, 2017. "Pressure Losses in Hydraulic Manifolds," Energies, MDPI, vol. 10(3), pages 1-21, March.
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    Cited by:

    1. Andrea Vacca, 2018. "Energy Efficiency and Controllability of Fluid Power Systems," Energies, MDPI, vol. 11(5), pages 1-6, May.
    2. Ryo Arai & Satoru Sakai & Akihiro Tatsuoka & Qin Zhang, 2021. "Analytical, Experimental, and Numerical Investigation of Energy in Hydraulic Cylinder Dynamics of Agriculture Scale Excavators," Energies, MDPI, vol. 14(19), pages 1-20, September.
    3. Ge Zhao & Wei Li & Jinsong Zhu, 2019. "A Numerical Investigation of the Influence of Geometric Parameters on the Performance of a Multi-Channel Confluent Water Supply," Energies, MDPI, vol. 12(22), pages 1-21, November.
    4. Jun-hui Zhang & Gan Liu & Ruqi Ding & Kun Zhang & Min Pan & Shihao Liu, 2019. "3D Printing for Energy-Saving: Evidence from Hydraulic Manifolds Design," Energies, MDPI, vol. 12(13), pages 1-21, June.
    5. Dongfei Li & Ning Dai & Hongtao Wang & Fujun Zhang, 2023. "Mathematical Modeling Study of Pressure Loss in the Flow Channels of Additive Manufacturing Aviation Hydraulic Valves," Energies, MDPI, vol. 16(4), pages 1-15, February.

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