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ISSN Печать: 2152-5102
ISSN Онлайн: 2152-5110
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Laminar Blood Flow through a Model of Arterial Stenosis with Oscillating Wall
Краткое описание
In this research, a numerical investigation of the physics of laminar blood flow through a two-dimensional (2D) pipe with an idealized stenosis with oscillating wall has been studied using the finite volume method. The governing Navier − Stokes equations are modified using the time dependent Cartesian curvilinear coordinates to handle the complex geometry, such as, arterial stenosis. The arterial wall is considered as moving sinusoidally in a radial direction. The computations for this case were carried out for a range of Reynolds number and amplitude of the wall oscillation. The flow is characterized by the Reynolds number, ranging from 100 to 300. The numerical results are presented in terms of the velocity, pressure distribution, wall shear stress as well as the vorticity, streamlines and vector plot indicating the recirculation zones at the post stenotic region. Due to the higher Reynolds number pressure drop is higher after the throat location of stenosis and wall shear stress is maximal at the center of the stenosis.
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