Numerical analysis of the behavior of two-phase blood flow in locally magnetized vessel

Abstract

The main purpose of this study is to analyze the behavior of non-Newtonian blood flow under localized magnetic field. To that end, we consider a 2-dimensional and two-phase fully-developed biomagnetic fluid model in a rectangular artery. The blood flow model considers the ferrohydrodynamic (FHD) and magnetohydrodynamics (MHD) parameters, which differ from the traditional model based upon Navier-Stokes equations. An external user-defined (UDF) source code was used to define fully-developed flow, viscosity, FHD and MHD properties in magnetic and non-magnetic regions. The numerical outcomes are evaluated in consideration of their potential uses in the field of magneto-hemorheology. All the physical parameters used to interpret the findings are consistent with the pathological conditions. The solutions are displayed as velocity, stream function, temperature contours. The study reveals that blood flow can be regulated by modifying the magnetic field strength, artery diameter, and concentration of red blood cells within the artery. In particular, it could be useful for surgical treatments of cancer and dengue diseases in the extraction of affected red blood cells from the bloodstream.