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Effects of thermal and mechanical deformations on textured thrust bearings optimally designed by a THD calculation method
Tribology International ( IF 3.517 ) Pub Date : 2020-03-15 , DOI: 10.1016/j.triboint.2020.106303
Michail Chalkiopoulos; Anstassios Charitopoulos; Michel Fillon; Christos I. Papadopoulos

A performance optimisation study of a thrust bearing with surface texturing has been addressed. Bearing response calculations have been performed with a thermohydrodynamic modelling approach. A THD-optimal bearing design has been calculated, and a sensitivity analysis has been performed. The optimal design has been evaluated utilising a thermoelastohydrodynamic model, in order to quantify the effects of thermal deformations on tribological characteristics, and a sensitivity analysis demonstrated a small difference on the parameter set of the optimal geometry. However, bearing performance is substantially affected by thermal deformations, leading to a reduction of thrust load by 13% and an increase of friction coefficient by 10%. The presented results highlight the importance of modelling thermal deformation on the design of textured thrust bearings.
更新日期:2020-03-16

 

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