Nonlinear tribo-dynamic model and experimental verification of a spur gear drive under loss-of-lubrication condition

B Hu, C Zhou, H Wang, S Chen - Mechanical Systems and Signal …, 2021 - Elsevier
Gearbox is required to serve for≥ 30 min in helicopter design to improve survivability, when
the gear drive loses lubrication due to battle damage. Under such loss-of-lubrication …

Analytical approach to mesh stiffness modeling of high-speed spur gears

X Zheng, W Luo, Y Hu, Z He, S Wang - International Journal of Mechanical …, 2022 - Elsevier
The centrifugal effect is a natural phenomenon in rotor dynamics, significantly changing the
deformation responses in high-speed conditions. However, this phenomenon is generally …

Traveling wave resonance analysis of flexible spur gear system with angular misalignment

Z Liu, Y Huangfu, H Ma, Z Peng, J Zhu, H Wang… - International Journal of …, 2022 - Elsevier
The aero-engine spur gear system is often designed as thin rim structure due to lightweight
consideration, which leads to traveling wave resonance phenomenon when spur gear …

Analytical investigation of profile shifts on the mesh stiffness and dynamic characteristics of spur gears

J Wang, J Yang, Y Lin, Y He - Mechanism and Machine Theory, 2022 - Elsevier
Nowadays, profile shift is one of the most powerful techniques to achieve high-performance
spur gear transmission system. Although this technique has been widely used in industry, its …

Simulation and experimental analysis of traveling wave resonance of flexible spiral bevel gear system

Z Liu, H Tian, H Ma, C Chang, H Song, W Huang… - … Systems and Signal …, 2025 - Elsevier
Considering the traveling wave resonance (TWR) phenomenon of the spiral bevel gear
system in the aero engine accessory casing, the flexible spiral bevel gear model is …

Modeling and analyzing of nonlinear dynamics for spur gear pair with pitch deviation under multi-state meshing

P Liu, L Zhu, X Gou, J Shi, G Jin - Mechanism and Machine Theory, 2021 - Elsevier
The pitch deviation of gears caused by machining leads to corner contact in actual meshing
process. In order to study the influence of the pitch deviation on motion characteristics of the …

Non-linear modeling of gear drive dynamics incorporating intermittent tooth contact analysis and tooth eigenvibrations

E Sakaridis, V Spitas, C Spitas - Mechanism and Machine Theory, 2019 - Elsevier
In this paper the effect of the of individual tooth inertia on spur gear dynamics is investigated.
A lumped element model is developed, in which tooth and gear inertial properties are …

Dynamic modeling and analysis of the planetary gear under pitching base motion

X Qiu, Q Han, F Chu - International Journal of Mechanical Sciences, 2018 - Elsevier
Planetary gear transmission is subjected to base motions in many industrial applications
such as wind turbines and automobiles, and its dynamic behavior will be affected by base …

Vibration Analysis of Two-Stage Helical Gear Transmission with Cracked Fault Based on an Improved Mesh Stiffness Model

Y Li, S Yuan, W Wu, K Liu, C Lian, X Song - Machines, 2022 - mdpi.com
The crack fault has an important influence on the vibration characteristics of the transmission
system. This paper is devoted to analyzing fault mechanism and dynamic characteristics of …

Effects of wear, backlash, and bearing clearance on dynamic characteristics of a spur gear system

YK Gu, WF Li, J Zhang, GQ Qiu - IEEE Access, 2019 - ieeexplore.ieee.org
A six-degree-of-freedom gear pair torsional vibration model considering time-varying
stiffness, damping, dynamic backlash, bearing radial clearance and comprehensive wear of …