Experimental investigation of spur gear tooth mesh stiffness in the presence of crack using photoelasticity technique

Y Pandya, A Parey - Engineering Failure Analysis, 2013 - Elsevier
Gear mesh stiffness plays a very important role in gear dynamics and it varies in the
presence of gear fault such as crack. The measurement of stress intensity factor can lead to …

Analysis of vibration signals and detection for multiple tooth cracks in spur gearboxes

X Yang, D Wei, MJ Zuo, Z Tian - Mechanical Systems and Signal …, 2023 - Elsevier
Tooth crack diagnosis is important to ensure the reliability of gearboxes. However, most
reported studies on tooth crack diagnosis only involved the scenario of one tooth crack in a …

Analysis of spur gearbox dynamics considering tooth lubrication and tooth crack severity progression

X Yang, E Tofighi-Niaki, MJ Zuo, Z Tian… - Tribology …, 2023 - Elsevier
A novel tribo-dynamic model of a spur gearbox considering both tooth lubrication and tooth
crack is proposed, which integrates an elastohydrodynamic lubrication (EHL) model of a …

Modelling of acoustic emission generated in involute spur gear pair

RB Sharma, A Parey, N Tandon - Journal of sound and vibration, 2017 - Elsevier
Acoustic emission (AE) is an important technique for the condition monitoring and
diagnostics of various mechanical system components like gear, bearing, macahine tool etc …

Measurement of deformation close to contact interface using digital image correlation and image segmentation

C Sun, Y Zhou, J Chen, H Miao - Experimental Mechanics, 2015 - Springer
In this paper, we propose segmentation-aided digital image correlation (SA-DIC) for
measuring the deformation near the interface between two contact bodies. Conventional …

Modelling of acoustic emission generated due to pitting on spur gear

RB Sharma, A Parey - Engineering Failure Analysis, 2018 - Elsevier
Acoustic emission (AE) is a non-destructive technique which is used for condition monitoring
and health diagnosis of rotating machine elements such as gearboxes. Several …

Dynamics-guided vibration signal analysis for fixed-axis gearbox fault diagnosis

X Yang - 2022 - era.library.ualberta.ca
Gearboxes are key components commonly employed to transfer torque and power and
adjust speed in mechatronic systems, such as wind turbines, automobiles, and mining …

Modelling of acoustic emission generated by crack propagation in spur gear

RB Sharma, A Parey - Engineering Fracture Mechanics, 2017 - Elsevier
Acoustic emission (AE) is used for gear fault diagnosis. A lot of experimental studies are
available in the literature for fault diagnosis. In this study, a theoretical model to correlate the …

Study on the Load‐Sharing Characteristics of an Aeronautical II‐Stage Five‐Branching Planets Gear Train Based on the Loaded Tooth Contact Analysis

D Hao, Z Fang, Y Hu - Mathematical Problems in Engineering, 2018 - Wiley Online Library
The aeronautical two‐stage five‐branching planets gear train is widely used in the internal
decelerator of aeroengines and the main decelerator of helicopters. In order to study the …

Influence of manufacturing error tolerances on contact pressure in gears

R Hjelm, H Hansson, A Ahadi… - Proceedings of the …, 2021 - journals.sagepub.com
Gear manufacturing always results in some degree of manufacturing errors, ie deviations
from the desired gear geometry. These errors alter how the gears mesh, typically causing …