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Journal of Mechanical Science and Technology

, Volume 31, Issue 4, pp 1657–1663 | Cite as

Numerical investigation of non-uniform magnetic field effects on the blood velocity and magnetic nanoparticles concentration inside the vessel

  • S. M. A. Ne’mati
  • M. Ghassemi
  • A. Shahidian
Article
  • 81 Downloads

Abstract

Among other applications, Magnetic nanoparticles (MNPs) are used as drug carriers for guided drug delivery purposes. The aim of the current study is to numerically investigate the effect of non-uniform magnetic field on the blood flow and MNPs concentration inside a vessel. The coupled governing equations under the influence of non-uniform magnetic field are utilized and non-dimensionalized. Two dimensionless parameters, Magnetic force number (MFN) and Magnetic drift number (MDN), are introduced and their effects on the blood flow velocity and the MNPs concentration are studied. The results show for the same magnetic force number, the MNPs concentration on the vessel wall increases as the magnetic drift number increases. While under the same magnetic drift number, magnetic nanoparticles decreases as magnetic force number increases. This implies that the MNPs concentration at the entrance is low while MNPs radius is large. In addition, the greater the magnetic force and the magnetic drift numbers is the higher the deformation of streamlines becomes.

Keywords

Blood Drug delivery Magnet Nanoparticle Vessel 

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Copyright information

© The Korean Society of Mechanical Engineers and Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • S. M. A. Ne’mati
    • 1
  • M. Ghassemi
    • 1
  • A. Shahidian
    • 1
  1. 1.Faculty of Mechanical EngineeringK.N. Toosi University of TechnologyTehranIran

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