Abstract
We present a numerical investigation of tapered arteries that addresses the transient simulation of non-Newtonian bio-magnetic fluid dynamics (BFD) of blood through a stenosis artery in the presence of a transverse magnetic field. The current model is consistent with ferro-hydrodynamic (FHD) and magneto-hydrodynamic (MHD) principles. In the present work, blood in small arteries is analyzed using the Carreau-Yasuda model. The arterial wall is assumed to be fixed with cosine geometry for the stenosis. A parametric study was conducted to reveal the effects of the stenosis intensity and the Hartman number on a wide range of flow parameters, such as the flow velocity, temperature, and wall shear stress. Current findings are in a good agreement with recent findings in previous research studies. The results show that wall temperature control can keep the blood in its ideal blood temperature range (below 40°C) and that a severe pressure drop occurs for blockages of more than 60 percent. Additionally, with an increase in the Ha number, a velocity drop in the blood vessel is experienced.
Highlights
Fluid flow that contains bio-magnetic materials is an interesting field of study for bio-engineers [1,2,3,4]
Because of the properties of bio-magnetic materials, it is possible to probe the dynamic characteristics of biological fluids that are exposed to an external magnetic field [5,6,7,8]
The literature survey suggests that there is a gap for a study of an essential case of stenosis in which blood is assumed to be non-Newtonian and the vessel is subjected to magnetization, especially with considering the induced heat, the heat transfer phenomena, and the paramountcy of the blood vessel temperature control and cooling
Summary
Fluid flow that contains bio-magnetic materials is an interesting field of study for bio-engineers [1,2,3,4]. The literature survey suggests that there is a gap for a study of an essential case of stenosis in which blood is assumed to be non-Newtonian and the vessel is subjected to magnetization, especially with considering the induced heat, the heat transfer phenomena, and the paramountcy of the blood vessel temperature control and cooling.
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