Experimental and theoretical investigation of rotordynamic characteristics of a rigid rotor supported by an active bump-type foil bearing
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DOI: 10.1016/j.jsv.2019.115049
Abstract: Abstract This study aims to investigate the rotordynamic characteristics of a rigid rotor supported by an active bump-type foil bearing (ABFB) with real-time controllable mechanical preload. ABFB is composed of a traditional bump-type foil bearing… read more here.
Keywords: rotor; foil bearing; bump type; type foil ... See more keywords
Active bump-type foil bearing with controllable mechanical preloads
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DOI: 10.1016/j.triboint.2017.12.029
Abstract: Abstract This paper presents an active bump-type foil bearing (ABFB), in which mechanical preloads can be actively adjusted by controlling the driving voltages of piezoelectric actuators (PZTs) to create a variable multiple-lobe clearance and enhance… read more here.
Keywords: foil; bump type; active bump; mechanical preloads ... See more keywords
The evolution of foil bearing technology
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DOI: 10.1016/j.triboint.2019.03.021
Abstract: Abstract This paper presents a state-of-the-art survey on the development of the foil bearing technology. Foil bearings represent a proven technology with many promising features. Nevertheless, there are a number of inherent challenges in their… read more here.
Keywords: evolution foil; bearing technology; technology; foil ... See more keywords
On modeling the static shape control of an adaptive air foil bearing
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DOI: 10.1088/1361-665x/ab99d7
Abstract: Aerodynamic foil bearings are used in various industrial applications, e.g. in cooling turbines, small gas turbines or exhaust gas turbochargers, to support light, high-speed rotors under extreme operating conditions. Air (or another gas) is used… read more here.
Keywords: foil; shape; air foil; air ... See more keywords
Thermo-elastohydrodynamic analysis of the inhomogeneous foil bearing with misalignment
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DOI: 10.1108/ilt-05-2021-0162
Abstract: Purpose The misalignment is generally inevitable in the process of machining and assembly of rotor systems with gas foil bearings, but the exploration on this phenomenon is relatively less. Therefore, the purpose of this paper… read more here.
Keywords: misalignment; foil; analysis; inhomogeneous foil ... 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
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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