[HTML][HTML] MHD Couple stress fluid between two concentric spheres with slip regime

MA Alotaibi, S El-Sapa - Results in Engineering, 2024 - Elsevier
The problem of the axisymmetric steady flow of an incompressible couple stress fluid within
two concentric spheres is analyzed analytically in this study. In the interior of the solid …

[HTML][HTML] Impact of slippage on the wall correction rotation factor of MHD couple stress fluid between two concentric spheres

A Al-Hanaya, S El-Sapa - Results in Engineering, 2023 - Elsevier
The cree** rotational motion of a magnetohydrodynamic couple stress fluid between two
concentric spheres under the impact of slippages. The slippage conditions are applied on …

Mobilities of two spherical particles immersed in a magneto-micropolar fluid

S El-Sapa, MS Faltas - Physics of Fluids, 2022 - pubs.aip.org
In this article, we consider the slow quasi-steady translational motion of two spherical
particles immersed in an unbounded magneto-micropolar fluid. The micropolar fluid is …

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 …

Cell models for micropolar fluid past a porous micropolar fluid sphere with stress jump condition

S El-Sapa - Physics of Fluids, 2022 - pubs.aip.org
The axisymmetric cree** flow of micropolar fluid past a porous surface saturated with
micropolar fluid is investigated analytically. A sphere's surface is assumed to have adequate …

Analytical solution of a couple stress fluid saturated in a porous medium through a Reiner–Rivlin liquid sphere

R Selvi, DK Maurya, P Shukla - Physics of Fluids, 2023 - pubs.aip.org
The objective of the present investigation is to provide a theoretical analysis of the flow of an
incompressible couple stress fluid through a Reiner–Rivlin liquid which is covered by a …

Interaction between a non-concentric rigid sphere immersed in a micropolar fluid and a spherical envelope with slip regime

S El-Sapa - Journal of Molecular Liquids, 2022 - Elsevier
A semi-analytical investigation of a quiescent micropolar fluid between a rigid sphere and a
non-concentric spherical envelope with a slip regime is obtained. Two different cases have …

Migration of two rigid spheres translating within an infinite couple stress fluid under the impact of magnetic field

S El-Sapa, MA Alotaibi - Open Physics, 2024 - degruyter.com
In this study, we examine the movement of two hard spheres aligned in a straight line within
an incompressible couple stress fluid under the impact of the magnetic field. Both objects …

The force on a magneto-spherical particle oscillating in a viscous fluid perpendicular to an impermeable planar wall with slippage

S El-Sapa - European Journal of Pure and Applied Mathematics, 2022 - ejpam.com
The effect of a magnetic field and slip on the motion of a solid sphere moving perpendicular
to an unbounded rigid wall in an unlimited viscous fluid is investigated. As the sphere …

[PDF][PDF] Couple stress fluid past a sphere embedded in a porous medium

KP Madasu, P Sarkar - Archive of Mechanical Engineering, 2022 - journals.pan.pl
This paper concerns the analytical investigation of the axisymmetric and steady flow of
incompressible couple stress fluid through a rigid sphere embedded in a porous medium. In …