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Micropolar Fluids with Vanishing Viscosity [PDF]

open access: yesAbstract and Applied Analysis, 2010
A study of the convergence of weak solutions of the nonstationary micropolar fluids, in bounded domains of ā„š‘›, when the viscosities tend to zero, is established. In the limit, a fluid governed by an Euler-like system is found.
E. Ortega-Torres   +2 more
doaj   +6 more sources

Homogenization of Trajectory Statistical Solutions for the 3D Incompressible Micropolar Fluids with Rapidly Oscillating Terms

open access: yesMathematics, 2022
This article studies the 3D incompressible micropolar fluids with rapidly oscillating terms. The authors prove that the trajectory statistical solutions of the oscillating fluids converge to that of the homogenized fluids provided that the oscillating ...
Hujun Yang, Xiaoling Han, Caidi Zhao
doaj   +4 more sources

Unsteady flows of micropolar fluids parallel to the axis of an annular domain with a porous layer

open access: yesAlexandria Engineering Journal, 2023
Transient flows of micropolar fluids through circular domains are investigated. The flow domain has two annular regions. The outer region is clean, while the inner region contains a porous medium.
Nehad Ali Shah   +3 more
doaj   +4 more sources

Turbulence Intensity Modulation by Micropolar Fluids

open access: yesFluids, 2021
Fluid microstructure nature has a direct effect on turbulence enhancement or attenuation. Certain classes of fluids, such as polymers, tend to reduce turbulence intensity, while others, like dense suspensions, present the opposite results.
George Sofiadis, Ioannis Sarris
doaj   +2 more sources

Control of MHD Flow and Heat Transfer of a Micropolar Fluid through Porous Media in a Horizontal Channel

open access: yesFluids, 2023
The problem considered in this paper is a steady micropolar fluid flow in porous media between two plates. This model can be used to describe the flow of some types of fluids with microstructures, such as human and animal blood, muddy water, colloidal ...
MiloÅ” Kocić   +3 more
doaj   +2 more sources

Implementation of micropolar fluids model and hydrodynamic behavior analysis using user-defined function in FLUENT

open access: yesAdvances in Mechanical Engineering, 2020
Micropolar fluids commonly represent the complex fluids with microstructure, for example, animal blood and liquid crystals. To understand the behavior of micropolar fluids and the role of micropolar parameters, different micropolar fluids models were ...
Lian Wang, Xihua Chu, Ji Wan, Chenxi Xiu
doaj   +2 more sources

MHD micropolar fluid flow in porous media

open access: yesAdvances in Mechanical Engineering, 2023
The analysis of mass and heat transfer in magnetohydrodynamic (MHD) flows has significant applications in heat exchangers, cooling nuclear reactors, designing energy systems and casting and injection processes of different types of fluids.
MiloÅ” Kocić   +3 more
doaj   +2 more sources

RETRACTED ARTICLE: Mathematical analysis of isothermal study of reverse roll coating using Micropolar fluid

open access: yesScientific Reports
This article demonstrates a mathematical model and theoretical analysis of the Micropolar fluid in the reverse roll coating process. It is important because micropolar fluids account for the microstructure and microrotation of particles within the fluid.
Saquib Ul Zaman   +7 more
doaj   +2 more sources

Blowup criterion for viscous, compressible micropolar fluids with vacuum

open access: yesNonlinear Analysis: Real World Applications, 2012
We prove that the maximum norm of velocity gradients controls the possible breakdown of smooth (strong) solutions for the 3-dimensional viscous, compressible micropolar fluids.
Mingtao Chen
exaly   +1 more source

Pullback attractors for a class of non-Newtonian micropolar fluids

open access: yesElectronic Journal of Differential Equations, 2018
In this article we study the long time behavior of the two-dimensional flow for non-Newtonian micropolar fluids in bounded smooth domains, in the sense of pullback attractors.
Geraldo M. de Araujo   +3 more
doaj   +2 more sources

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