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Title: Effect of branchings on blood flow in the system of human coronary arteries
Authors: Benchawan Wiwatanapataphee
Yong Hong Wu
Thanongchai Siriapisith
Buraskorn Nuntadilok
Mahidol University
Curtin University
Keywords: Agricultural and Biological Sciences;Mathematics;Medicine
Issue Date: 1-Jan-2012
Citation: Mathematical Biosciences and Engineering. Vol.9, No.1 (2012), 199-214
Abstract: In this work, we investigate the behavior of the pulsatile blood flow in the system of human coronary arteries. Blood is modeled as an incompressible non-Newtonian fluid. The transient phenomena of blood flow through the coronary system are simulated by solving the three dimensional unsteady state Navier-Stokes equations and continuity equation. Distributions of velocity, pressure and wall shear stresses are determined in the system under pulsatile conditions on the boundaries. Effect of branching vessel on the flow problem is investigated. The numerical results show that blood pressure in the system with branching vessels of coronary arteries is lower than the one in the system with no branch. The magnitude of wall shear stresses rises at the bifurcation.
ISSN: 15510018
Appears in Collections:Scopus 2011-2015

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