Axisymmetric Stagnation-Point Flow with a General Slip Boundary Condition over a Lubricated Surface

查看全文 作　　者：[1]M.Sajid;[2]K.Mahmood;[3]Z.Abbas

机构地区：[1]The Abdus Salam International Centre for Theoretical Physics,Strada Costiera 11,34014,Trieste,Italy;[2]Department of Mathematics,Riphah International University,Islamabad 44000,Pakistan;[3]Department of Mathematics,The Islamia University of Bahawalpur,Bahawalpur,Pakistan

出　　处：《Chinese Physics Letters》索引2012年第29卷第2期,共4页

基　　金：Supported by the Abdus Salam International Centre for Theoretical Physics,Trieste,Italy. 摘　　要：We investigate the axisymmetric stagnation-point flow of a viscous fluid over a lubricated surface by imposing a generalized slip condition at the fluid-fluid interface.The power law non-Newtonian fluid is considered as a lubricant.The lubrication layer is thin and assumed to have a variable thickness.The transformed nonlinear ordinary differential equation governing the flow is linearized using quasilinearization.The method of superposi-tion is adopted to convert the boundary value problem into an initial value problem and the solution is obtained numerically by using the fourth-order Runge-Kutta method.The results are discussed to see the influence of pertinent parameters.The limiting cases of Navier and no-slip boundary conditions are obtained as the special cases and found to be in excellent agreement with the existing results in the literature. 关键词：BOUNDARY ordinary assumed

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Axisymmetric Stagnation-Point Flow with a General Slip Boundary Condition over a Lubricated Surface

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