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Volume 12
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10.3390/lubricants12110390
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Article

Influence of Oil Injection Lubrication Parameters of High-Speed Internal Meshing Gear Based on the Computational Fluid Dynamics

by
Peixun Tang
1,2,
Zhengminqing Li
1,2,*,
Xiangying Hou
1,2,
Letian Li
1,2,
Rongsheng Xi
1,2 and
Yiyan Chen
1,2
1
College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
2
National Key Laboratory of Helicopter Aeromechanics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
*
Author to whom correspondence should be addressed.
Lubricants 2024, 12(11), 390; https://doi.org/10.3390/lubricants12110390
Submission received: 8 October 2024 / Revised: 31 October 2024 / Accepted: 11 November 2024 / Published: 13 November 2024
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Abstract

High-speed gears are crucial transmission components found in airplanes and other systems, and they are maintained primarily through oil injection. However, due to their high operating speeds and the influence of oil injection settings, gear surface lubrication efficacy is frequently insufficient, compromising the transmission system’s precision, durability, and safety. Currently, the parameter choices for oil injection in high-speed gears mostly rely on empirical judgment, which results in significant time and resource expenses. This study focuses on one pair of internal meshing gears within a specific aircraft gearbox, establishing an oil injection lubrication model for high-speed internal meshing gears using the computational fluid dynamics (CFD) approach. This research provides insights and references for optimizing oil injection parameters and improving lubrication efficiency in high-speed internal meshing gear systems by examining the dynamic characteristics of internal meshing wind resistance in addition to the effects of injection tube position, angle, and speed on lubrication performance.
Keywords: aero gearbox; oil spray lubrication; internal meshing gear; gear transmission aero gearbox; oil spray lubrication; internal meshing gear; gear transmission

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MDPI and ACS Style

Tang, P.; Li, Z.; Hou, X.; Li, L.; Xi, R.; Chen, Y. Influence of Oil Injection Lubrication Parameters of High-Speed Internal Meshing Gear Based on the Computational Fluid Dynamics. Lubricants 2024, 12, 390. https://doi.org/10.3390/lubricants12110390

AMA Style

Tang P, Li Z, Hou X, Li L, Xi R, Chen Y. Influence of Oil Injection Lubrication Parameters of High-Speed Internal Meshing Gear Based on the Computational Fluid Dynamics. Lubricants. 2024; 12(11):390. https://doi.org/10.3390/lubricants12110390

Chicago/Turabian Style

Tang, Peixun, Zhengminqing Li, Xiangying Hou, Letian Li, Rongsheng Xi, and Yiyan Chen. 2024. "Influence of Oil Injection Lubrication Parameters of High-Speed Internal Meshing Gear Based on the Computational Fluid Dynamics" Lubricants 12, no. 11: 390. https://doi.org/10.3390/lubricants12110390

APA Style

Tang, P., Li, Z., Hou, X., Li, L., Xi, R., & Chen, Y. (2024). Influence of Oil Injection Lubrication Parameters of High-Speed Internal Meshing Gear Based on the Computational Fluid Dynamics. Lubricants, 12(11), 390. https://doi.org/10.3390/lubricants12110390

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