An analysis of slippage effects on a solid sphere enclosed by a non-concentric cavity filled with a couple stress fluids

A Al-Hanaya, S El-Sapa - Scientific Reports, 2023 - nature.com
This investigation shows the effect of slippage on the slow spinning of a rigid sphere
covered by a non-concentric spherical hollow full of an incompressible couple stress fluid …

Effects of slippage and permeability of couple stress fluid squeezed between two concentric rotating spheres

S El-Sapa, A Al-Hanaya - Physics of Fluids, 2023 - pubs.aip.org
This study investigates the rotation of two concentric spheres saturated by cree** single-
phase couple stress fluid flow under the impacts of permeability and slippage. The slippage …

Impact of Couple Stresses on Slow Rotation of a Slip Sphere: Brinkman's Medium

P Sarkar, KP Madasu - International Journal of Applied and Computational …, 2024 - Springer
The impact of couple stresses on the rotation of solid sphere in Brinkman's model with slip
influence is analytically solved. The tangential slip and vanishing of couple stress conditions …

Impact of permeability and fluid parameters in couple stress media on rotating eccentric spheres

A Al-Hanaya, S El-Sapa - Open Physics, 2024 - degruyter.com
This study elucidates the axisymmetric rotation of two eccentric spheres immersed in an
incompressible couple stress fluid within a porous annular region. The investigation …