ORIGINAL PAPER
Mathematical investigation on MHD blood flow through a stenosed artery under variable viscosity and body acceleration
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1
Department of mathematics, 1. Government College for Women, Gurawara, Rewari, Haryana, NDIA
2. University Institute of Engineering and Technology, Maharshi Dayanand University, Haryana, INDIA,, India
2
Department of Mathematics, University Institute of Engineering and Technology, Maharshi Dayanand University, Haryana, INDIA,
These authors had equal contribution to this work
Submission date: 2025-09-16
Final revision date: 2025-11-13
Acceptance date: 2026-06-12
Online publication date: 2026-09-02
Corresponding author
Sumit Kumar
Department of mathematics, 1. Government College for Women, Gurawara, Rewari, Haryana, NDIA
2. University Institute of Engineering and Technology, Maharshi Dayanand University, Haryana, INDIA,, India
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ABSTRACT
This study investigated the effect of cylindrical-shaped hybrid nanoparticles on the flow of magnetohydrodynamic blood through a narrowed artery, considering the impact of body acceleration and the variable viscosity of blood, which is temperature-dependent. The mathematical flow equations have been converted into a dimensionless form, and the solution is obtained using the finite difference scheme. Graphs are used to illustrate the influence of controlling flow parameters on various physical properties such as velocity, concentration, temperature, heat transfer coefficient, mass transfer coefficient, flow rate, and wall shear stress. It is observed that the velocity profiles exhibit a pronounced enhancement with increasing values of the parameters solutal Grashof number, Prandtl number, and body acceleration parameter, indicating their direct role in accelerating the flow dynamics. In contrast, the parameters magnetic field and Reynolds number exert a suppressing influence, leading to a noticeable reduction in velocity profile. Furthermore, the temperature profiles rise with increasing concentration of copper nanoparticles, alumina oxide nanoparticles, and hybrid nanoparticles, due to the significant enhancement in effective thermal conductivity. This improved heat transport capacity facilitates greater energy absorption and elevates the overall temperature profile of the blood. Finally, the WSS increases with a rise in the thermal Grashof number, as buoyancy-driven forces strengthen blood motion near the arterial wall. In contrast, an increase in the magnetic field parameter suppresses blood velocity through Lorentz force resistance, thereby reducing wall shear stress. The findings could be valuable insights into blood flow beahviour in the stenosed artery, applied therapeutically within the biomedical sciences.
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