2017
DOI: 10.1016/j.jsv.2017.04.008
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A fully coupled air foil bearing model considering friction – Theory & experiment

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Cited by 52 publications
(14 citation statements)
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“…Although they DOI 10.2478/ama-2019-0001 Investigation of Gas Foil Bearings with an Adaptive and Non-Linear Structure 6 have a fairly simple construction ( Fig. 1), their operation is associated with physical phenomena whose experimental research requires advanced measurement techniques and computer-aided simulations should be conducted using sophisticated numerical models (von Osmanski et al, 2017). To improve the vibrationdamping capability of such bearings, additional elements in the form of thin foils are placed between the journal and the sleeve.…”
Section: Fig 1 the Exemplary Geometry Of The First-generation Foil mentioning
confidence: 99%
“…Although they DOI 10.2478/ama-2019-0001 Investigation of Gas Foil Bearings with an Adaptive and Non-Linear Structure 6 have a fairly simple construction ( Fig. 1), their operation is associated with physical phenomena whose experimental research requires advanced measurement techniques and computer-aided simulations should be conducted using sophisticated numerical models (von Osmanski et al, 2017). To improve the vibrationdamping capability of such bearings, additional elements in the form of thin foils are placed between the journal and the sleeve.…”
Section: Fig 1 the Exemplary Geometry Of The First-generation Foil mentioning
confidence: 99%
“…When evaluating the displacement of the j-th foil DOF from its equilibrium w j0 , the stiffness and damping of the foil itself should furthermore be considered. Various elaborate foil structure models are available in the literature [4,15,18,22], but the added complexity of these would not benefit the present comparison. Instead, the Simple Elastic Foundation Model (SEFM), as introduced by Heshmat et al [5], is employed with a uniform baseline stiffness derived from the widely applied expression by Walowit and Anno [25]…”
Section: Including the Foil Stiffness And Dampingmentioning
confidence: 99%
“…The calculation of the film thickness follows an iterative procedure with under-relaxation h nþ1 ðÞ ¼ h n ðÞ þ r hfilm h à ðÞ À h n ðÞ ðÞ (29) where h à ðÞ is the film thickness given by Eq. (28).…”
Section: The Foil Bearing Modelmentioning
confidence: 99%
“…However, the stiffness of the top foil was discarded. Similar structural models were next developed and some of them included the stiffness of the top foil [26][27][28][29][30].…”
Section: Introductionmentioning
confidence: 99%