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2002•The proceedings of the JSME annual meetingOpen access

Study on Spirally-wound Gas Foil Journal Bearings

Atsusi SHIMOYAMA, Shigeka YOSHIMOTO, Shinsuke Dambara

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Abstract

Aerodynamic foil bearings have successfully applied to micro-gas turbines for distributed electric power supply. Aerodynamic foil bearings have such advantages that they can operate at high temperature and high speeds. In this paper, the stability of aerodynamic gas foil journal bearings at high speeds is experimentally investigated using a spirally-wound foil bearing with half-spherical bumps and the usefulness of this type of foil bearing is clarified.

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What this paper is about

Aerodynamic foil bearings have successfully applied to micro-gas turbines for distributed electric power supply. Aerodynamic foil bearings have such advantages that they can operate at high temperature and high speeds. In this paper, the stability of aerodynamic gas foil journal bearings at high speeds is experimentally investigated using a spirally-wound foil bearing with half-spherical bumps and the usefulness of this type of foil bearing is clarified.

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Available abstract

Aerodynamic foil bearings have successfully applied to micro-gas turbines for distributed electric power supply. Aerodynamic foil bearings have such advantages that they can operate at high temperature and high speeds. In this paper, the stability of aerodynamic gas foil journal bearings at high speeds is experimentally investigated using a spirally-wound foil bearing with half-spherical bumps and the usefulness of this type of foil bearing is clarified.

Key concepts: Foil bearing, FOIL method, Aerodynamics, Bearing (navigation), Materials science, Gas turbines, Mechanical engineering, Power (physics)

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