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

Yu Dai, Feiyue Ma, Xiang Zhu, Qiao Su and Xiaozhou Hu
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Yu Dai: College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
Feiyue Ma: College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
Xiang Zhu: College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
Qiao Su: College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
Xiaozhou Hu: College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China

Energies, 2019, vol. 12, issue 10, 1-23

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.

Keywords: orthogonal face gear; oil jet lubrication; impingement depth mathematical model; numerical simulation; optimal nozzle layout; tooth surface temperature (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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