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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Печать: 2152-5102
ISSN Онлайн: 2152-5110

Выпуски:
Том 47, 2020 Том 46, 2019 Том 45, 2018 Том 44, 2017 Том 43, 2016 Том 42, 2015 Том 41, 2014 Том 40, 2013 Том 39, 2012 Том 38, 2011 Том 37, 2010 Том 36, 2009 Том 35, 2008 Том 34, 2007 Том 33, 2006 Том 32, 2005 Том 31, 2004 Том 30, 2003 Том 29, 2002 Том 28, 2001 Том 27, 2000 Том 26, 1999 Том 25, 1998 Том 24, 1997 Том 23, 1996 Том 22, 1995

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v41.i5.30
pages 417-429

Laminar Blood Flow through a Model of Arterial Stenosis with Oscillating Wall

Mir Golam Rabby
School of Engineering & Applied Science, Dept. of Electrical & Computer Engineering, North South University Dhaka-1229, Bangladesh
Rumia Sultana
School of Engineering & Applied Science, Dept. of Electrical & Computer Engineering, North South University Dhaka-1229, Bangladesh
Sumaia Parveen Shupti
School of Engineering & Applied Science, Dept. of Electrical & Computer Engineering, North South University Dhaka-1229, Bangladesh
Md. Mamun Molla
School of Engineering & Applied Science, Dept. of Electrical & Computer Engineering, North South University Dhaka-1229, Bangladesh

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.