Hydrodynamic Analysis of Compliant Foil Bearings With Compressible Air Flow

A model is developed to predict the hydrodynamic performance of a foil journal bearing. The model accounts for both the compressibility of air and the compliance of the bearing surface. A series of predictions of the load-carrying capacity based on the numerical solution for pressure is presented that cover a wide range of operating speeds. The results show good agreement with existing experimental data.@DOI: 10.1115/1.1739242#