Set-up of a novel test plant for high power turbomachinery tilting pad journal bearings
Sign Up to like & getrecommendations! Published in 2018 at "Tribology International"
DOI: 10.1016/j.triboint.2018.06.014
Abstract: Abstract Due to the increasing demands of efficiency, especially in the next-generation high power density turbomachinery, lubricated bearings are facing extreme operating conditions, particularly high peripheral speeds. The design effort for new bearings must be… read more here.
Keywords: high power; tilting pad; novel test; journal bearings ... See more keywords
Starting and stopping behavior of worn journal bearings
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DOI: 10.1016/j.triboint.2018.06.031
Abstract: Abstract Metal-metal contact occurs during the starting and stopping of a shaft in a lubricated journal bearing which causes continuous wear and limits the bearing lifetime. To study the starting and stopping behavior of worn… read more here.
Keywords: behavior worn; starting stopping; worn journal; journal bearings ... See more keywords
Experimental investigation into surface texture effect on journal bearings performance
Sign Up to like & getrecommendations! Published in 2019 at "Tribology International"
DOI: 10.1016/j.triboint.2019.03.073
Abstract: Abstract Hydrodynamic sliding bearings are designed to operate under fully flooded conditions to enable adequate film formation. In actual operating conditions, journal bearings could operate in a mixed or even boundary lubrication regime, for example,… read more here.
Keywords: surface texture; surface; journal bearings; lubrication ... See more keywords
Hydrodynamic self-lubricating journal bearings analysis using Rabinowitsch fluid lubricant
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DOI: 10.1016/j.triboint.2019.105856
Abstract: Abstract In this study, the effects of non-Newtonian pseudo-plastic lubricants behavior, using Rabinowitsch fluid model, on static characteristics of circular self-lubricating porous journal bearings of finite length with sealed ends are highlighted. The nonlinear Reynolds… read more here.
Keywords: using rabinowitsch; pseudo plastic; journal bearings; self lubricating ... See more keywords
Effect of single- and multi-scale surface patterns on the frictional performance of journal bearings – A numerical study
Sign Up to like & getrecommendations! Published in 2020 at "Tribology International"
DOI: 10.1016/j.triboint.2019.106041
Abstract: Abstract The present study aims at numerically predicting the frictional performance of journal bearings with single- and multi-scale surface patterns considering the real 3D surface topographies after wearing-in in mixed-elastohydrodynamic (mixed-EHL) simulations using a multi-body… read more here.
Keywords: surface patterns; surface; journal bearings; scale surface ... See more keywords
Optimization performance of plain journal bearings with partial wall slip
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DOI: 10.1016/j.triboint.2019.106137
Abstract: Abstract In present work, in order to optimize partial slip zone for heavily loaded journal bearings, an isothermal hydrodynamic model considering wall slip occurring at oil-bush interface is built. Two-component slip model is utilized to… read more here.
Keywords: slip; journal bearings; wall slip; performance ... See more keywords
Fluid-asperity interaction induced random vibration of hydrodynamic journal bearings towards early fault diagnosis of abrasive wear
Sign Up to like & getrecommendations! Published in 2021 at "Tribology International"
DOI: 10.1016/j.triboint.2021.107028
Abstract: Abstract One of difficulties to detect abrasive wear in journal bearings through vibration analysis is the lack of obvious fault characteristics in an early stage. To carry out an in-depth investigation on the relationship between… read more here.
Keywords: induced random; abrasive wear; journal bearings; vibration ... See more keywords
A solution for finite journal bearings by using physics-informed neural networks with both soft and hard constrains
Sign Up to like & getrecommendations! Published in 2023 at "Industrial Lubrication and Tribology"
DOI: 10.1108/ilt-02-2023-0045
Abstract: Purpose The purpose of this study is to solve the Reynolds equation for finite journal bearings by using the physics-informed neural networks (PINNs) method. As a meshless method, it is unnecessary to use big data… read more here.
Keywords: neural networks; physics; journal bearings; using physics ... See more keywords
Tilt angle effects on the performance of micropolar lubricated noncircular journal bearings
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DOI: 10.1108/ilt-03-2016-0041
Abstract: Purpose The purpose of this paper is to study tilt angle effects as design parameters of noncircular bearings, on the linear dynamic analyses of micropolar lubricated circular, two, three and four lobe journal bearings. Design/methodology/approach… read more here.
Keywords: noncircular journal; micropolar lubricated; tilt angle; journal bearings ... See more keywords
Error Averaging Effect of Hydrostatic Journal Bearings Considering the Influences of Shaft Rotating Speed and External Load
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DOI: 10.1109/access.2019.2931948
Abstract: Hydrostatic journal bearings possess superior motion accuracy owing to their error averaging effect and often work under different speeds and external loads in precision applications. This paper researches the error averaging effect of hydrostatic journal… read more here.
Keywords: journal bearings; hydrostatic journal; averaging effect; error averaging ... See more keywords
An Experimental Research on the Vibration of Surface-Textured Journal Bearings
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DOI: 10.1155/2017/1261826
Abstract: Growing attention has been paid to surface texture owing to its significance in bearing lubrication, load capacity, and wear resistance. In this paper, research emphasis is placed on the influence of texture distributions on bearing… read more here.
Keywords: vibration; surface; research vibration; journal bearings ... See more keywords