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Evaluation and Optimization of the Oil Jet Lubrication Performance for Orthogonal Face Gear Drive: Modelling, Simulation and Experimental Validation

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  • Yu Dai

    (College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
    State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China)

  • Feiyue Ma

    (College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
    State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China)

  • Xiang Zhu

    (College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
    State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China)

  • Qiao Su

    (College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
    State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China)

  • Xiaozhou Hu

    (College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
    State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China)

Abstract

The oil jet lubrication performance of a high-speed and heavy-load gear drive is significantly influenced and determined by the oil jet nozzle layout, as there is extremely limited meshing clearance for the impinging oil stream and an inevitable blocking effect by the rotating gears. A novel mathematical model for calculating the impingement depth of lubrication oil jetting on an orthogonal face gear surface has been developed based on meshing face gear theory and the oil jet lubrication process, and this model contains comprehensive design parameters for the jet nozzle layout and face gear pair. Computational fluid dynamic (CFD) numerical simulations for the oil jet lubrication of an orthogonal face gear pair under different nozzle layout parameters show that a greater mathematically calculated jet impingement depth results in a greater oil volume fraction and oil pressure distribution. The influences of the jet nozzle layout parameters on the lubrication performance have been analyzed and optimized. The relationship between the measured tooth surface temperature from the experiments and the corresponding calculated impingement depth shows that a lower temperature appears in a situation with a greater impingement depth. Good agreement between the mathematical model with the numerical simulation and the experiment validates the effectiveness and accuracy of the method for evaluating the face gear oil jet lubrication performance when using the impingement depth mathematical model.

Suggested Citation

  • Yu Dai & Feiyue Ma & Xiang Zhu & Qiao Su & Xiaozhou Hu, 2019. "Evaluation and Optimization of the Oil Jet Lubrication Performance for Orthogonal Face Gear Drive: Modelling, Simulation and Experimental Validation," Energies, MDPI, vol. 12(10), pages 1-23, May.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:10:p:1935-:d:232836
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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.
    2. Divya Thiagarajan & Andrea Vacca, 2017. "Mixed Lubrication Effects in the Lateral Lubricating Interfaces of External Gear Machines: Modelling and Experimental Validation," Energies, MDPI, vol. 10(1), pages 1-20, January.
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    Cited by:

    1. Yu Dai & Feiyue Ma & Xiang Zhu & Jifu Jia, 2019. "Numerical Simulation Investigation on the Windage Power Loss of a High-Speed Face Gear Drive," Energies, MDPI, vol. 12(11), pages 1-19, May.

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