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Article type: Research Article
Authors: Akbarzadeh, Pooria
Affiliations: School of Mechanical Engineering, Shahrood University of Technology, Shahrood, P.O. Box: 3619995161, Iran. Tel.: +98 9122022776; E-mails: Akbarzad@ut.ac.ir, p.akbarzaeh@shahroodut.ac.ir
Abstract: In this paper, magneto-hydrodynamic blood flows through porous arteries are numerically simulated using a locally modified homogenous nanofluids model. Blood is taken into account as the third-grade non-Newtonian fluid containing nanoparticles. In the modified nanofluids model, the viscosity, density, and thermal conductivity of the solid-liquid mixture (nanofluids) which are commonly utilized as an effective value, are locally combined with the prevalent single-phase model. The modified governing equations are solved numerically using Newton’s method and a block tridiagonal matrix solver. The results are compared to the prevalent nanofluids single-phase model. In addition, the efficacies of important physical parameters such as pressure gradient, Brownian motion parameter, thermophoresis parameter, magnetic-field parameter, porosity parameter, and etc. on temperature, velocity and nanoparticles concentration profiles are examined.
Keywords: Nanofluids, third-grade non-Newtonian fluid, magnetohydrodynamic, locally modified homogenous model, porous arteries
DOI: 10.3233/BME-161564
Journal: Bio-Medical Materials and Engineering, vol. 27, no. 1, pp. 15-28, 2016
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