Flow of Generalized Burgers' Fluid between Side Walls Induced by Sawtooth Pulses Stress
Publish place: Journal of Applied Fluid Mechanics، Vol: 9، Issue: 5
Publish Year: 1395
Type: Journal paper
Language: English
View: 206
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Document National Code:
JR_JAFM-9-5_011
Index date: 23 January 2022
Flow of Generalized Burgers' Fluid between Side Walls Induced by Sawtooth Pulses Stress abstract
This paper presents the unsteady magnetohydrodynamic (MHD) flow of a generalized Burgers' fluid between two parallel side walls perpendicular to a plate. The flow is generated from rest at time induced by sawtooth pulses stress applied to the bottom plate. The solutions obtained by means of the Laplace and the Fourier cosine and sine transforms in this order are presented as a sum between the corresponding Newtonian and non-Newtonian contributions. We investigate the effect of magnetic field and permeability on the fluid motion by a numerical procedure for the inverse Laplace transform, namely Stehfest's algorithm. Moreover, the influence of side walls on the fluid motion, the effect of pulse period, magnetic and porosity parameters and material parameters is presented by graphical illustrations.
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