Two-phase simulation of non-uniform magnetic field effects on biofluid (blood) with magnetic nanoparticles through a collapsible tube

被引：13
|
作者：
Aminfar, H. [1 ]
Mohammadpourfard, M. [2 ]
Ghaderi, F. [1 ]
机构：
[1] Univ Tabriz, Fac Mech Engn, Tabriz, Iran
[2] Azarbaijan Shahid Madani Univ, Dept Mech Engn, Tabriz 5375171379, Iran
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2013年 / 332卷
关键词：
Elastic tube; Ferrofluid; Non-uniform magnetic field; Blood flow; Mixture model; HEAT-TRANSFER; STEADY FLOW; FLUID; CHANNEL; MODEL;
D O I：
10.1016/j.jmmm.2012.12.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, the behavior of a two-dimensional tube with an elastic segment containing ferrofluid (blood and 3 vol% Fe3O4), in presence of non-uniform magnetic field is reported. Two cases of magnetic field including constant gradient (both positive and negative) and field of a wire, carrying electric current were examined. Surface tension of the membrane is considered to be fixed and constant along the elastic wall. Numerical solution of governing equations of the flow field has been obtained using the two-phase mixture model and control volume technique. Also, the membrane equation has been used to iterate and access the membrane position. Based on the obtained results, applying positive gradient magnetic field makes the tube narrower, but the negative one and magnetic field of electric wire opens the tube up. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：172 / 179
页数：8
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