DocumentCode :
3144769
Title :
Effect of magnetic field on blood flow and heat transfer through a stenosed artery
Author :
Li, Jiangye ; Huang, Hulin
Author_Institution :
Acad. of Frontier Sci., Nanjing Univ. of Aeronaut. & Astronaut., Nanjing, China
Volume :
5
fYear :
2010
fDate :
16-18 Oct. 2010
Firstpage :
2028
Lastpage :
2032
Abstract :
Blood flow and heat transfer through a stenosed artery under the influence of a steady spatially varying magnetic field is studied. Blood is considered as non-Newtonian fluid and the model concerns the varying viscosity and electrical conductivity. The numerical solution is obtained by solving the governing equations using a finite volume method on structured grid. The pressure-velocity coupling is solved using the SIMPLEC technique. Results indicate that the magnetic field modifies the flow and temperature fields considerably. The symmetry of the flow downstream of the stenosis is broken and the vortex close to the magnetic field source is enlarged by two times. The temperature downstream of the stenosis is cooler in the most region of application of the magnetic field than the corresponding temperature in the pure hydrodynamic case, and the maximum decrement is 0.36K. In contrast, the temperature in the area close to the opposite wall and downstream of the stenosis is increased, and the maximum increment is 0.9K.
Keywords :
bioelectric phenomena; biological effects of fields; biomagnetism; biothermics; blood vessels; finite volume methods; haemodynamics; heat transfer; magnetohydrodynamics; non-Newtonian fluids; stents; vortices; SIMPLEC technique; finite volume method; magnetic field effects; nonNewtonian fluid; pressure-velocity coupling; steady spatially varying magnetic field; stenosed artery blood flow; stenosed artery heat transfer; stenosis downstream flow symmetry; structured grid; varying electrical conductivity; varying viscosity; vortex; Blood; Conductivity; Heat transfer; Magnetic fields; Manganese; Viscosity; Biomagnetic Fluid Dynamics; blood; magnetic field; non-Newtonian fluid; stenosed artery;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Biomedical Engineering and Informatics (BMEI), 2010 3rd International Conference on
Conference_Location :
Yantai
Print_ISBN :
978-1-4244-6495-1
Type :
conf
DOI :
10.1109/BMEI.2010.5639654
Filename :
5639654
Link To Document :
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