Inscrição na biblioteca: Guest
Portal Digital Begell Biblioteca digital da Begell eBooks Diários Referências e Anais Coleções de pesquisa
International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Imprimir: 2152-5102
ISSN On-line: 2152-5110

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

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v36.i1.30
pages 43-63

Pulsatile Casson Fluid Flow Through a Stenosed Bifurcated Artery

Sachin Shaw
Botswana International University of Science and Technology
Rama Subba Reddy Gorla
Department of Mechanical Engineering, Cleveland State University, Cleveland, OH, 44115 USA; Department of Mechanical Engineering, University of Akron, Akron, Ohio 44325, USA; Department of Mechanical & Civil Engineering, Purdue University Northwest, Westville, IN 46391, USA
P. V. S. N. Murthy
Department of Mathematics, Indian Institute of Technology, Kharagpur, West Bengal, 721302, India
Chiu-On Ng
Department of Mechanical Engineering, The University of Hong Kong, Pokfulam, Hong Kong, People's Republic of China


Flow of a pulsatile Casson fluid through a stenosed bifurcated artery has been investigated in this study. The arteries forming bifurcation are assumed to be symmetric and straight cylinders of finite length and it is also assumed that the outer and inner walls of the bifurcated artery undergo wall motion. The governing momentum equation is written in terms of the shear stress, and the resulting equation along with the initial and boundary conditions are solved numerically. The crucial parameters that influence the flow in the bifurcated artery are the radius of the parent artery and the length of the stenosis in addition to the curvature at the different sections of the bifurcated tube. Flow variables are computed at various locations in the parent and daughter arteries. The velocity is derived from the shear stress using the Casson fluid model. The velocity and the volumetric flow in both the parent and daughter arteries are computed for various parameters. It is observed in both the femoral and coronary arteries that the variation of axial velocity and the flow rate with yield stress is uniform, and flow rate in the daughter artery shows more oscillations with the Casson fluid model than that with the Newtonian one. The effect of flow rheology on the velocity pattern in the daughter artery is greater than in the parent artery. The axial velocity and flow rate are greater in the coronary artery than in the femoral artery, and the wall shear stress in the parent artery increases due to the stenosis.

Articles with similar content:

Effect of Radial Magnetic Field on Flow of Blood in a Catheterized Tapered Artery with Mild Stenosis
International Journal of Fluid Mechanics Research, Vol.40, 2013, issue 4
Shailendra Pratap Singh, Stuti Gupta, Mukesh Gupta
Analysis of Steady and Physiological Pulsatile Flow Characteristics in an Artery with Various Percentages of Restrictions
International Journal of Fluid Mechanics Research, Vol.42, 2015, issue 3
Nirmal Kumar Manna, Somnath Chakrabarti, P. Goswami, Dipak Kumar Mandal
Analysis of Steady Laminar Blood Flow Through Arterial Stenosis
International Journal of Fluid Mechanics Research, Vol.36, 2009, issue 2
Moloy Kumar Banerjee
A FSI Model on the Casson Fluid Flow through an Elastic Stenosed Artery
International Journal of Fluid Mechanics Research, Vol.39, 2012, issue 6
Sachin Shaw, S. C. Pradhan , P. V. S. N. Murthy
Composites: Mechanics, Computations, Applications: An International Journal, Vol.3, 2012, issue 2
V. K. Gupta, B. S. Salaria, Manish Garg