alexa Semi-analytical Study of Blood Flow through a Prosthesis Inserted in an Affected Blood Vessel
ISSN: 2161-0398

Journal of Physical Chemistry & Biophysics
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Research Article

Semi-analytical Study of Blood Flow through a Prosthesis Inserted in an Affected Blood Vessel

Guy Richard Kol1,2* and Paul Woafo2
1School of Geology, Mining and Mineral Processing, University of Ngaound´er´e, P.O. Box 454, Ngaound´er´e, Cameroon
2Laboratory of Modelling and Simulation in Engineering, Biomimetics and Prototypes, Department of Physics, Faculty of Science, University of Yaounde I, P.O. Box 812, Yaound´e, Cameroon
Corresponding Author : Guy Richard Kol
School of Geology, Mining and Mineral Processing
University of Ngaound´er´e, P.O. Box 454, Ngaound´er´e, Cameroon
Tel: 237-9961-9187
E-mail: [email protected]
Received May 01, 2013; Accepted September 27, 2013; Published September 30, 2013
Citation: Kol GR, Woafo P (2013) Semi-analytical Study of Blood Flow through a Prosthesis Inserted in an Affected Blood Vessel. J Phys Chem Biophys 3:127. doi:10.4172/2161-0398.1000127
Copyright: © 2013 Kol GR, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

In this work, a two dimensional model of the flow is considered, with focus on effects of the nonlinearity coefficient of elasticity, variation of the radius and the Young modulus. The model described characterizes the blood flow consecutively in aneurysms, stenoses and prostheses. We obtain in the three cases that the increase in the coeffcient of nonlinearity decreases the axial fluid velocity, and weakly influence the radial velocity. The velocity of the flow remains parabolic, decrease in the aneurys-mal bag, and increase in the stenosis when the severity of blood vessels diseases varies. We found that aneurysms of small widths present high peaks of wall shear stress, and so predisposes to the formation of thrombus. Finally, we determine the maximum value of elasticity that helps to enhance the performance of prosthesis

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