Investigation of the effects of two parallel wires' non-uniform magnetic field on heat and biomagnetic fluid flow in an aneurysm

被引:11
作者
Sharifi, Abbas [1 ]
Motlagh, Saber Yekani [1 ]
Badfar, Homayoun [1 ]
机构
[1] UUT, Dept Mech Engn, Orumiyeh, Iran
关键词
Aneurysm; ferrohydrodynamic; biomagnetic fluid; magnetic field model; WALL SHEAR-STRESS; ABDOMINAL AORTIC-ANEURYSM; BLOOD-FLOW; NUMERICAL-SIMULATION; SACCULAR ANEURYSMS; CEREBRAL ANEURYSM; HEMODYNAMICS; GROWTH; MODEL; DOXYCYCLINE;
D O I
10.1080/10618562.2018.1490413
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
In this paper, effects of two wires magnetic field on heat transfer and biomagnetic fluid flow in an aneurysm have been investigated using the ferrohydrodynamics model. Using the finite volume method and the SIMPLE algorithm, the governing equations have been discretised. Simulations have been carried out for both conditions of wires in the same and opposite directions and different magnetic numbers of 41 and 82. Results show that the magnetic field causes a decrease in heat transfer of blood flow towards the walls. Moreover, major energy loss or pressure drop, arising from mean wall shear stress, decreases but local or minor energy loss, arising from aneurysm vortexes, increases. Furthermore, risk factors of aneurysm rupture is decreased under the effect of the magnetic field. The effective contact surface between drug-coated magnetic nanoparticles and the aneurysm tissue may increase and residence time of drug on the cells of the region would decrease.
引用
收藏
页码:248 / 259
页数:12
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