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
Numerical analyzes and experimental investigations on the fully-coupled thermo-elasto-gasdynamic behavior of air foil journal bearings
Sign Up to like & getrecommendations! Published in 2021 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2020.107221
Abstract: Abstract Air foil journal bearings are an important component in high-speed, oil-free turbomachinery applications. In order to optimize the performance of rotor systems supported by air foil journal bearings, detailed numerical models are needed. In… read more here.
Keywords: elasto gasdynamic; foil journal; air; air foil ... See more keywords
An Experimental Investigation into the Thermal Characteristics of Bump Foil Journal Bearings
Sign Up to like & getrecommendations! Published in 2022 at "Symmetry"
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