Radiation effect on MHD copper suspended nanofluid flow through a stenosed artery with temperature-dependent viscosity

Document Type : Research Paper


1 Department of Bioscience, CASH, Mody University of Science \& Technology, Lakshmangarh, Rajasthan, India

2 Birla Institute of Technology and Science, Pilani (BITS Pilani), Rajasthan, India


In the present paper, the effects of radiation, variable viscosity, and the inclination of the artery on copper nanofluid through composite stenosis with chemical reaction are discussed. The viscosity of blood is varied with temperature as represented in the Reynolds viscosity model. The coupled nonlinear equations of the nanofluid model are simplified by considering the mild stenosis case. The governing equations are solved numerically by applying the Finite Difference Method. The effects of the physical parameters on the velocity, temperature, and concentration along the radial axis have been studied and are physically interpreted for medical applications. The effect of shear stress along the increasing height of stenosis has been explained with the help of graphs. The proposed work will be beneficial to clinicians, hematologists, and biomedical engineers because they serve as useful approximations, which are capable of throwing some light toward the understanding of the genesis of pathological states, like arteriosclerosis as well as the mechanism of gaseous exchanges that take place within arteries and capillaries.


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Volume 13, Issue 2
July 2022
Pages 2573-2584
  • Receive Date: 23 January 2021
  • Revise Date: 19 February 2021
  • Accept Date: 20 March 2021