A new modal-based approach for modelling the bump foil structure in the simultaneous solution of foil-air bearing rotor dynamic problems
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2017.02.028
Abstract: Abstract Recently-proposed techniques for the simultaneous solution of foil-air bearing (FAB) rotor dynamic problems have been limited to a simple bump foil model in which the individual bumps were modelled as independent spring-damper (ISD) subsystems.… read more here.
Keywords: foil; foil structure; bump foil; model ... See more keywords
Effect of bump structural friction on the performance of bump foil bearing and rotor dynamic behavior: Experimental study
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology"
DOI: 10.1177/1350650118794536
Abstract: Air foil bearings are a kind of self-acting lubricated bearing, which have potential applications in high-speed turbomachinery. Air foil journal bearings have simple structure that consists of top foil, bump foil, and bearing sleeve, and… read more here.
Keywords: foil; friction; bump foil; effect ... See more keywords
Frictional analysis on stiffness and damping characteristics of bump foil gas bearings
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology"
DOI: 10.1177/13506501221132110
Abstract: Gas foil bearing has been used in high-speed turbomachinery for its high speed, high adaptability, and eco-friendly. The stability of the rotor bearing system is greatly enhanced due to the flexible foil support structure. In… read more here.
Keywords: gas; frictional analysis; foil; foil bearing ... See more keywords
An Experimental Investigation into the Thermal Characteristics of Bump Foil Journal Bearings
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DOI: 10.3390/sym14050878
Abstract: Bump foil journal bearings (BFJBs) are widely used in the superchargers of aviation piston engines (APEs). This paper proposes a method to evaluate the operating state of superchargers by monitoring the bearing temperature. A numerical… read more here.
Keywords: speed; thermal characteristics; temperature; journal bearings ... See more keywords