An experimental test rig has been used to analyze the lift-off condition of a squeeze film thrust bearing. It is composed of a vibrating flat plate linked to a piezo-actuator, a cylindrical mass, and two displacement sensors. The frequency and magnitude of oscillation are varied as well as the mass of the solid, to identify the lift-off conditions. The experimental results are compared to numerical simulations. The model solves the transient compressible Reynolds equation coupled with Newton's law for the levitated mass. The model is then used to extend the experimental results to other operating conditions. A dimensionless analysis of the results is performed to study the lift-off conditions and the average film thickness during levitation.
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Conditions of Lift-Off and Film Thickness in Squeeze Film Levitation
Noël Brunetière,
Noël Brunetière
Institut Pprime,
CNRS, Université de Poitiers,
Ensma, Futuroscope,
Futuroscope F86962, France
e-mail: noel.brunetiere@univ-poitiers.fr
CNRS, Université de Poitiers,
Ensma, Futuroscope,
Futuroscope F86962, France
e-mail: noel.brunetiere@univ-poitiers.fr
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Antoinette Blouin,
Antoinette Blouin
Institut Pprime,
CNRS, Université de Poitiers,
Ensma, Futuroscope,
Futuroscope F86962, France
e-mail: antoinette.blouin@univ-poitiers.fr
CNRS, Université de Poitiers,
Ensma, Futuroscope,
Futuroscope F86962, France
e-mail: antoinette.blouin@univ-poitiers.fr
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Guytri Kastane
Guytri Kastane
Institut Pprime,
CNRS, Université de Poitiers,
Ensma, Futuroscope,
Futuroscope F86962, France
e-mail: liane.kastane.tchikaya@univ-poitiers.fr
CNRS, Université de Poitiers,
Ensma, Futuroscope,
Futuroscope F86962, France
e-mail: liane.kastane.tchikaya@univ-poitiers.fr
Search for other works by this author on:
Noël Brunetière
Institut Pprime,
CNRS, Université de Poitiers,
Ensma, Futuroscope,
Futuroscope F86962, France
e-mail: noel.brunetiere@univ-poitiers.fr
CNRS, Université de Poitiers,
Ensma, Futuroscope,
Futuroscope F86962, France
e-mail: noel.brunetiere@univ-poitiers.fr
Antoinette Blouin
Institut Pprime,
CNRS, Université de Poitiers,
Ensma, Futuroscope,
Futuroscope F86962, France
e-mail: antoinette.blouin@univ-poitiers.fr
CNRS, Université de Poitiers,
Ensma, Futuroscope,
Futuroscope F86962, France
e-mail: antoinette.blouin@univ-poitiers.fr
Guytri Kastane
Institut Pprime,
CNRS, Université de Poitiers,
Ensma, Futuroscope,
Futuroscope F86962, France
e-mail: liane.kastane.tchikaya@univ-poitiers.fr
CNRS, Université de Poitiers,
Ensma, Futuroscope,
Futuroscope F86962, France
e-mail: liane.kastane.tchikaya@univ-poitiers.fr
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received October 9, 2017; final manuscript received December 10, 2017; published online January 29, 2018. Assoc. Editor: Min Zou.
J. Tribol. May 2018, 140(3): 031705 (6 pages)
Published Online: January 29, 2018
Article history
Received:
October 9, 2017
Revised:
December 10, 2017
Citation
Brunetière, N., Blouin, A., and Kastane, G. (January 29, 2018). "Conditions of Lift-Off and Film Thickness in Squeeze Film Levitation." ASME. J. Tribol. May 2018; 140(3): 031705. https://doi.org/10.1115/1.4038805
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