The Blood Flow of Prandtl Fluid Through a Tapered Stenosed Arteries in Permeable Walls with Magnetic Field

查看全文 作　　者：[1,2]R.Ellahi;[3]S.U.Rahman;[4]S.Nadeem;[1]K.Vafai 机构地区：[1]Department of Mechanical Engineering,University of California Riverside;[2]Department of Mathematics and Statistics Faculty of Basic Applied Sciences,International Islamic University;[3]Department of Mechatronics,University of Engineering and Technology Texila,Chakwal Campus;[4]Department of Mathematics,Quaid-i-Azam University 出　　处：《Communications in Theoretical Physics》索引2015年第63卷第3期,共6页 摘　　要：This Communication deals with the blood flow of Prandtl fluid through a tapered stenosed arteries having permeable walls.The governing equations of two-dimensional Prandtl fluid model are modelled in cylindrical coordinates.The highly nonlinear equations are simplified with the help of non-dimensional variables under the assumption of mild stenosis.The solution of reduced nonlinear equation subject to boundary condition of porous walls having the effects of Darcy's number and slip parameter are computed analytically with the help of perturbation method.Effects of emerging parameters such as impedance A,slip parameter a,stenosis height 6,magnetic parameter and stress component Srz on velocity are illustrated graphically.The streamlines have also been presented to discuss the trapping bolus discipline. 关 键 词：动脉狭窄 流体模型 锥形 非线性方程 磁场 透水 墙壁 流通