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Effects of Micromodel Patterns on Ferrofluid-Based Rectangular Squeeze Films

Darshana Patel, Ramesh Kataria

Abstract


Under the presence of a ferrofluid lubricant, we analyzed the squeeze film characteristics be-tween rectangular plates, the upper one having a porous surface. Employing a transversely ap-plied, uniformly robust magnetic field serves the dual purpose of preventing wear and extending the operational life of the system. In the film region, the problem is described by the modified Reynolds equation, while in the porous area, it is defined by the Laplace equation. Porous re-gions are assumed to follow Darcy's law. Various control parameters calculate the non-dimensional film pressure, load carrying capacity, and squeeze time expressions. Impacts of micro-model patterns of two different porous structures are also discussed. Slightly better per-formances of the bearing are observed when the globular sphere permeability model is em-ployed.

Keywords


Ferrofluid, Porous plate, Squeeze velocity, Squeeze film, Magnetic field

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