Effect of angular misalignment on the static characteristics of rotating externally pressurized air journal bearing
Sign Up to like & getrecommendations! Published in 2019 at "Science China Technological Sciences"
DOI: 10.1007/s11431-018-9429-4
Abstract: This paper studies the effect of angular misalignment on the static characteristics of rotating externally pressurized air journal bearing with four degrees of freedom (4-DOF). A clearance function is used to describe the film thickness… read more here.
Keywords: angular misalignment; air; journal bearing; air journal ... See more keywords
Thermo-elasto-hydrodynamic (TEHD) study of journal bearing lubricated with biodegradable nanolubricant
Sign Up to like & getrecommendations! Published in 2021 at "Journal of The Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-021-02801-3
Abstract: The current study addresses the influence of thermo-elasto effects on performance parameters of the journal bearing lubricated with biodegradable nanolubricants. It is assumed that the non-Newtonian nature of the biodegradable nanolubricants follows the power law… read more here.
Keywords: thermo elasto; bearing lubricated; study; journal bearing ... See more keywords
A semianalytical approach to nonlinear fluid film forces of a hydrodynamic journal bearing with two axial grooves
Sign Up to like & getrecommendations! Published in 2019 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2018.07.048
Abstract: Abstract A semianalytical approach to nonlinear fluid film forces of a hydrodynamic journal bearing with two axial grooves under the cavitation boundary condition is proposed. The pressure distribution of the Reynolds equation of a finitely… read more here.
Keywords: film forces; journal bearing; fluid film; film ... See more keywords
Numerical and experimental investigation on dynamic performance of bump foil journal bearing based on journal orbit
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Aeronautics"
DOI: 10.1016/j.cja.2019.12.001
Abstract: Abstract Widespread usage of bump-type foil journal bearing (BFJB) in oil-free micro-turbomachinery requires accurate predictions of dynamic performance characteristics, although it remains a challenging issue because BFJB reflects nonlinear both structurally and aerodynamically. This paper… read more here.
Keywords: foil journal; dynamic performance; journal orbit; journal bearing ... See more keywords
A novel method for journal bearing degradation evaluation and remaining useful life prediction under different working conditions
Sign Up to like & getrecommendations! Published in 2021 at "Measurement"
DOI: 10.1016/j.measurement.2021.109273
Abstract: Abstract Accurate bearing degradation performance analysis and remaining useful life (RUL) prediction are significant to prevent major accidents and economic losses in industry. Data-driven methods have emerged as reliable algorithms for RUL prediction. These existing… read more here.
Keywords: prediction different; rul prediction; journal bearing; prediction ... See more keywords
Effect of geometrical irregularities on the performance of a misaligned hybrid journal bearing compensated with membrane restrictor
Sign Up to like & getrecommendations! Published in 2017 at "Tribology International"
DOI: 10.1016/j.triboint.2017.06.012
Abstract: Abstract The present study examines the influence of geometric irregularities on the performance of membrane compensated four pocket journal bearing under misaligned conditions. Geometrically irregular journal in form of barrel shape, bellmouth shape and circumferential… read more here.
Keywords: misaligned conditions; bearing; membrane; journal bearing ... See more keywords
An investigation into the transient behavior of journal bearing with surface texture based on fluid-structure interaction approach
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DOI: 10.1016/j.triboint.2017.09.026
Abstract: Abstract The influence of surface texture on the performance of the journal bearing operating under the transient condition is investigated by a fluid-structure interaction (FSI) approach. The key parameter of the current work is the… read more here.
Keywords: journal; journal bearing; surface texture;
Textured conical hybrid journal bearing with ER lubricant behavior
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DOI: 10.1016/j.triboint.2018.08.040
Abstract: Abstract This work examines the ER lubricant behavior on the performance of conical hybrid journal bearing. The influence of micro-texture with different shapes used on the bearing surface is studied. FEM is used to solve… read more here.
Keywords: conical hybrid; lubricant behavior; journal; hybrid journal ... See more keywords
Vibration suppression mechanism research of adjustable elliptical journal bearing under synchronous unbalance load
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DOI: 10.1016/j.triboint.2018.10.043
Abstract: Abstract A concept of an adjustable elliptical journal bearing with variable elliptical ratio was proposed in order to suppress the vibration amplitude of a rotor under synchronous unbalance load at normal speed operating condition. In… read more here.
Keywords: vibration; elliptical journal; journal bearing; adjustable elliptical ... See more keywords
The effects of laser surface texture applied to internal combustion engine journal bearing shells – An experimental study
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DOI: 10.1016/j.triboint.2019.02.009
Abstract: Abstract We present an experimental study into the impact of surface texturing on crank shaft bearing friction. This was achieved by applying a series of laser-etched patterns to the surface of shell components and comparing… read more here.
Keywords: texture; bearing shells; experimental study; surface ... See more keywords
Global sensitivity analysis of static characteristics of tilting-pad journal bearing to manufacturing tolerances
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DOI: 10.1016/j.triboint.2019.04.018
Abstract: Abstract A tiny difference between nominal dimension and actual processing dimension in the range of manufacturing tolerance can vary the performance of journal bearing. For minimizing this variation, sensitivity analysis is usually conducted. In present… read more here.
Keywords: journal bearing; sensitivity; bearing; global sensitivity ... See more keywords