Ferrofluid based squeeze film for a rough conical bearing with deformation effect
This paper aims to discuss the combined effect of longitudinal surface roughness and deformation on the behavior of a ferrofluid based squeeze film in conical plates. The Neuringer and Rosenweig model for ferrofluid flow has been considered resorting to an unusual form of the magnitude of the magnetic field. For the evaluation of surface roughness the stochastic model of Christensen and Tonder has been adopted. The concerned stochastically averaged Reynolds type equation is solved to obtain the pressure distribution which results in the calculation of load carrying capacity. The results establish that the positive effect of magnetization adds to the positive effect of longitudinal surface roughness under restricted circumstances. However, for an overall improved performance the bearing deformation must be addressed carefully as it has a significant effect on the squeeze film behavior. Besides, this article offers an additional degree of freedom through the magnitude of the magnetic field for designing the bearing system.