Study about the characteristics of squeeze film between rough porous curved annular plates in the presence of micropolar fluids

In the present study, an effort was made to determine the effects of a porous matrix with different viscosities on the dynamic and static behaviors of rough short journal bearings taking into account the action of a squeezing film under varying loads without journal rotation. The micropolar fluid was regarded as a lubricant that contained microstructure additives in both the porous region and the film region. By applying Darcy’s law for micropolar fluids through a porous matrix and stochastic theory related to uneven surfaces, a standardized Reynolds-type equation was extrapolated. Two scenarios with a stable and an alternating applied load were analyzed. The impacts of variations in viscosity, the porous medium, and roughness on a short journal bearing were examined. We inspected the dynamic and static behaviors of the journal bearing. We found that the velocity of the journal center with a micropolar fluid decreased when there was a cyclic load, and the impact of variations in the viscosity and porous matrix diminished the load capacity and pressure in the squeeze film and increased the velocity of the journal center.

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Study about the characteristics of squeeze film between rough porous curved annular plates in the presence of micropolar fluids

Cited by 2 publications

References 13 publications

Numerical analysis of thermal characteristics for micropolar fluid flux close to an isothermal vertical plate inward porous region

Numerical analysis of thermal characteristics for micropolar fluid flux close to an isothermal vertical plate inward porous region

Effect of Variation in Viscosity on Static and Dynamic Characteristics of Rough Porous Journal Bearings with Micropolar Fluid Squeeze Film Lubrication

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