Numerical Investigation of the Effect of Ball Bearing Geometry on Oil Film Damping Due to Lubricated Contact at Different Loads
Sign Up to like & getrecommendations! Published in 2021 at "Advances in Mechanical Engineering"
DOI: 10.1007/978-981-16-0942-8_2
Abstract: The vibration response of any system, especially at resonance, is strongly influenced by its damping characteristics. It is thus often strived to improve the damping properties of machineries to suppress the vibration level and its… read more here.
Keywords: ball bearing; oil film; film damping; geometry ... See more keywords
Inclination angle effect of tribological performance for hydrostatic bearing having tilting oil pad under variable viscosity conditions
Sign Up to like & getrecommendations! Published in 2021 at "Journal of The Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-021-02946-1
Abstract: In order to improve tribological performance of hydrostatic bearing, an innovative hydrostatic bearing structure having tilting oil pad is designed. During the operation, the semicircular boss at the bottom of the oil pad can realize… read more here.
Keywords: oil pad; oil; oil film; hydrostatic bearing ... See more keywords
Stiffness and damping models for the oil film in line contact elastohydrodynamic lubrication and applications in the gear drive
Sign Up to like & getrecommendations! Published in 2018 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2018.05.012
Abstract: Abstract Innovative stiffness and damping models for oil films are developed to account for the impacts in both normal and tangential directions. Given that these models are applied to a gear drive in line contact… read more here.
Keywords: stiffness; line contact; gear drive; stiffness damping ... See more keywords
Characteristics of the deposited fuel liquid film when GDI spray impacts viscous oil film
Sign Up to like & getrecommendations! Published in 2019 at "Energy"
DOI: 10.1016/j.energy.2019.116011
Abstract: Abstract Quantitative two-dimensional characteristics of the deposited fuel film on a surface with pre-existing thin oil film after the impingement of a GDI (gasoline direct injection) spray were investigated with laser induced fluorescence (LIF) technique.… read more here.
Keywords: deposited fuel; oil; oil film; film ... See more keywords
Lubrication performance analysis of crankshaft bush in compressor
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2018.03.014
Abstract: Abstract The instability of lubricating oil film has a great effect on the wear of friction pairs and carrying capacity of the parts as well as smooth running of the machine. The lubrication system of… read more here.
Keywords: crankshaft; oil film; oil; bush ... See more keywords
The oil film around a cylindrical micropore in a sliding contact visualized by fluorescence microscopy on a tribometer
Sign Up to like & getrecommendations! Published in 2021 at "Tribology International"
DOI: 10.1016/j.triboint.2021.107309
Abstract: Abstract This work presents the oil film near a single surface texture in an optically accessible sliding contact reproducing the piston-ring/cylinder-liner contact in an engine. A micropore – a cylindrical depression with vertical walls –… read more here.
Keywords: oil film; sliding contact; oil; microscopy ... See more keywords
Oil film thickness analysis of the sealing surface for hydraulic rotary rectangular vane actuator
Sign Up to like & getrecommendations! Published in 2018 at "Industrial Lubrication and Tribology"
DOI: 10.1108/ilt-01-2017-0015
Abstract: This paper aims to establish a numerical model to calculate contact pressure for rectangular vane sealing surface of hydraulic rotary actuator. Numerical model can be applied to solve the steady-state Reynolds equation after the oil… read more here.
Keywords: vane; hydraulic rotary; oil film; sealing surface ... See more keywords
Alternative calculation on transient elasto-hydrodynamic lubrication
Sign Up to like & getrecommendations! Published in 2018 at "Industrial Lubrication and Tribology"
DOI: 10.1108/ilt-10-2017-0280
Abstract: Purpose A new method is proposed to solve transient EHL problem. Design/methodology/approach First, the steady-state EHL solution is modified so as the elastic deformation theory is combined with oil film stiffness distribution instead of steady-state… read more here.
Keywords: lubrication; calculation transient; calculation; transient ... See more keywords
Measurement and calculation of oil film thickness in a ball bearing
Sign Up to like & getrecommendations! Published in 2018 at "Industrial Lubrication and Tribology"
DOI: 10.1108/ilt-11-2016-0265
Abstract: Purpose The oil film thickness provides a key performance indicator of a ball bearing lubrication condition. This paper aims to propose an approach to calculate and measure the oil film thickness of the bearing. Design/methodology/approach… read more here.
Keywords: oil film; ball bearing; film; film thickness ... See more keywords
An Evaluation Algorithm for Thick Oil Film on Sea Surface Based on Fluorescence Signal
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DOI: 10.1109/jsen.2023.3262708
Abstract: Oil film thickness is a significant index to evaluate oil spill pollution at sea surface. Laser-induced fluorescence (LIF) is one of the most effective oil spill detection technologies at present. Nowadays, based on the LIF… read more here.
Keywords: oil; sea surface; oil film; thick oil ... See more keywords
Analysis of circumferential oil film thickness for piston ring in twin-rotor piston engine under differential velocity motion of combined annular cylinder
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/09544062211042921
Abstract: In this paper, a novel type of twin-rotor piston engine (TRPE) is proposed, and the circumferential oil film thickness for the piston ring in TRPE is analysed. Different from the integrated cylinder of a typical… read more here.
Keywords: circumferential oil; piston ring; film thickness; piston ... See more keywords