Vibration analysis of shaft misalignment using machine learning approach under variable load conditions

AM Umbrajkaar, A Krishnamoorthy… - Shock and …, 2020 - Wiley Online Library
The Industry 4.0 revolution is insisting strongly for use of machine learning‐based processes
and condition monitoring. In this paper, emphasis is given on machine learning‐based …

Influence of propulsion shafting longitudinal vibration on the excitation force and vortex dynamics characteristics of pump-jet propulsor

D Zou, L Xue, Q Lin, J Xu, X Dong, N Ta, Z Rao - Ocean Engineering, 2024 - Elsevier
Pump-jet propulsors are inevitably affected by shafting vibrations in actual operating
conditions, especially the longitudinal bearing force, which is the main inducing factor of hull …

Coupled transverse and torsional vibrations of the marine propeller shaft with multiple impact factors

Q Huang, X Yan, C Zhang, H Zhu - Ocean Engineering, 2019 - Elsevier
An appropriate assessment of the dynamic behavior of a ship's marine propeller shaft is
essential to enable the optional power delivery to the propeller and to minimize various …

Determining the influence of ship hull deformations caused by draught change on shaft alignment application using FE analysis

CO Seo, B Jeong, JR Kim, M Song, JH Noh, J Lee - Ocean Engineering, 2020 - Elsevier
This paper was to address the shortcomings of current design practice to evaluate the
stability of the shaft alignment for a 300,000 DWT Very Large Crude Oil Carrier. An …

Torsional vibration analysis of diesel driven propulsion systems: The case of a polar-class vessel

A Zambon, L Moro - Ocean Engineering, 2022 - Elsevier
The reliability of marine propulsion plants of ice-going vessels is essential in preserving ship
safety during ice navigation. Therefore, the development of reliable design tools of the …

Torsional vibration analysis and fuzzy adaptive PID control optimization of underwater vector propulsion shaft systems

Z Chen, Y Jia, M Wang, S Li, S Li - Ocean Engineering, 2024 - Elsevier
To examine the torsional vibration of vector propulsion shaft system (VPSS), a four-degree-
of-freedom vibration model of the VPSS is established by concentrated mass approach, and …

Tribological Performance of Shaft and Surface Pairs with PPS and its Composites in Seawater under Cyclic Loading

W Yuan, X Yao, Q Guo, C Li, B Chi, J Yu - Tribology Letters, 2024 - Springer
Shaft-surface friction pairs in marine equipment endure considerable wear and corrosion in
seawater, particularly under cyclic loading. A friction and wear test bench was employed to …

Analytical model for coupled torsional-longitudinal vibrations of marine propeller shafting system considering blade characteristics

J Firouzi, H Ghassemi, M Shadmani - Applied Mathematical Modelling, 2021 - Elsevier
As an attempt to investigate the torsional-longitudinal vibrations of marine propeller shafting
systems, this paper develops an integrated mathematical formulation to consider different …

Structural vibrations and acoustic radiation of blade–shafting–shell coupled system

Y Liu, J Han, Z Xue, Y Zhang, Q Yang - Journal of Sound and Vibration, 2019 - Elsevier
Structural vibrations and radiation noise are common problems in the blade–shafting–shell
coupled system. To research this problem, a coupled system consisting of a five-leaf blade …

Coupled torsional–transverse vibration reduction in marine propulsion dynamics with novel approach using magnetorheological damping and adaptive control system

SK Sharma, RC Sharma, RK Upadhyay… - Journal of Vibration …, 2024 - Springer
Purpose This study aims to advance the field of marine propulsion dynamics by investigating
coupled torsional and transverse vibrations in shaft systems and proposing a novel …