In this paper, the effect of vibrations on the elastohydrodynamical lubrication in spur gear pairs will be described. The relevance of inertial effects on film fluid lubrication is clarified by means of comparisons with static formulations. The multilevel technique is used to solve the transient EHL problem for elliptical contacts. Coupling with load balance equation and with different equations of motion is studied. A new model describing the dynamic behavior of two coupled transient EHL elliptical contacts is developed and applied to characterize the dynamics of a spur gear pair.
Coupling of two EHL-lubricated contacts in gear dynamics / Barbieri, Marco; Pellicano, Francesco. - ELETTRONICO. - 1:(2010), pp. 247-249. (Intervento presentato al convegno STLE/ASME 2010 International Joint Tribology Conference, IJTC2010;San Francisco tenutosi a San Francisco nel 17-20/10/2010) [10.1115/IJTC2010-41237].
Coupling of two EHL-lubricated contacts in gear dynamics
BARBIERI, MARCO;PELLICANO, Francesco
2010
Abstract
In this paper, the effect of vibrations on the elastohydrodynamical lubrication in spur gear pairs will be described. The relevance of inertial effects on film fluid lubrication is clarified by means of comparisons with static formulations. The multilevel technique is used to solve the transient EHL problem for elliptical contacts. Coupling with load balance equation and with different equations of motion is studied. A new model describing the dynamic behavior of two coupled transient EHL elliptical contacts is developed and applied to characterize the dynamics of a spur gear pair.
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