期刊
JOURNAL OF MECHANICS IN MEDICINE AND BIOLOGY
卷 11, 期 3, 页码 643-661出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219519411003909
关键词
Stenosis; micropolar fluid; magnetic field; body acceleration
资金
- DST, New Delhi [SR/BY/M-01/09]
With an aim to investigate the effect of externally imposed body acceleration and magnetic field on pulsatile flow of blood through an arterial segment having stenosis is under consideration in this article. The flow of blood is presented by an unsteady micropolar fluid, and the heat-transfer characteristics have been taken into account. The nonlinear equations that govern the flow are solved numerically using finite difference technique by employing a suitable coordinate transformation. The numerical results have been observed for axial and microrotation component of velocity, fluid acceleration, wall shear stress (WSS), flow resistance, temperature, and the volumetric flow rate. It thus turns out that the rate of heat transfer increases with the increase of Hartmann number H, while the WSS has a reducing effect on the Hartmann number H and an enhancing effect on the ratio of viscosity K as well as on the constriction height delta.
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