| Citation: | XU Kefan, ZHANG Guanghui, HAN Jiazhen, et al. Simulation and experimental study on static characteristics of multi-layer thrust foil bearing[J]. Journal of Aerospace Power, 2024, 39（9）：20220672 doi: 10.13224/j.cnki.jasp.20220672
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A simulation model was established based on the finite difference method and the thick plate element to clarify the fluid-solid coupling mechanism of multi-layer thrust foil bearing. The compressible Reynolds equation based on the first-order slip model was linearized by the Newton-Raphson method, and the evolution law of the static characteristics with the operating condition parameters was obtained by iterative solution. The lift-off speed test rig of thrust foil bearing was built, and the judgment basis of lift-off speed was clarified. The numerical results were in good agreement with the experimental results. The results showed that when the speed was not more than
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