Magnetohydrodynamic approach of non-Newtonian blood flow with magnetic particles in stenosed artery

doi:10.1007/s10483-017-2172-7

Abstract

Abstract:

The non-Newtonian blood flow, together with magnetic particles in a stenosed artery, is studied using a magneto-hydrodynamic approach. The wall slip condition is also considered. Approximate solutions are obtained in series forms under the assumption that the Womersley frequency parameter has small values. Using an integral transform method, analytical solutions for any values of the Womersley parameter are obtained. Numerical simulations are performed using MATHCAD to study the influence of stenosis and magnetic field on the flow parameters. When entering the stenosed area, blood velocity increases slightly, but increases considerably and reaches its maximum value in the stenosis throat. It is concluded that the magnitude of axial velocity varies considerably when the applied magnetic field is strong. The magnitude of maximum fluid velocity is high in the case of weak magnetic fields. This is due to the Lorentz's force that opposes motion of an electrically conducting fluid. The effect of externally transverse magnetic field is to decelerate the flow of blood. The shear stress consistently decreases in the presence of a magnetic field with increasing intensity.

Key words: blood flow, laminated rectangular plate, nonlinear bending, governing equation, magnetic particle, artery stenosis, Bingham plastic fluid, magnetohydrodynamics

2010 MSC Number:

R318

I. A. MIRZA, M. ABDULHAMEED, S. SHAFIE. Magnetohydrodynamic approach of non-Newtonian blood flow with magnetic particles in stenosed artery. Applied Mathematics and Mechanics (English Edition), 2017, 38(3): 379-392.

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