Study of Squeeze Film in a Ferrofluid Lubricated Longitudinally Rough Rotating Plates

This chapter discusses the performance of a squeeze film in longitudinally rough rotating circular plates in the presence of ferrofluid lubrication. The ferrofluid model of Neuringer-Rosensweig has been used. The roughness characterization has been adopted, taking the stochastic averaging model of Christensen-Tonder. The distribution of pressure is obtained solving the concerned Reynolds' type equation. This provides load taking capacity. The computed results are presented in graphical form, which establishes that the roughness (longitudinal) remains more favorable as compared to the transverse surface roughness. Undoubtedly, ferrofluid lubrication enhances the bearing performance, but it alone may not be sufficient to overcome the adverse effect of roughness and rotation.