Modular test rig for a rotor supported by gas foil bearings

2025/03/17 by Sorgec, Berk, Liebich, Robert
#600 Technik #Medizin #angewandte Wissenschaften::620 Ingenieurwissenschaften::620 Ingenieurwissenschaften und zugeordnete Tätigkeiten #design change evaluation #gas foil bearings #rigid body modes extraction #rotor-bearing test rig #turbomachinery

paper · doi:10.14279/depositonce-22569

Abstract

Foil bearings for high speed turbomachinery are and have been studied in terms of load capacity and lift‐off speed, stability, thermal behaviour and manufacturing. This paper focuses on a modular rotor‐bearing test rig, with which design changes can easily be experimentally investigated. An exemplary design change is undertaken and its effects are studied. Furthermore, a simple procedure is introduced, with which rigid body modes of the rotor can be extracted from phase information derived from experimentally obtained time series data.

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