Abstract:The steady, laminar flow of an elastico-viscous fluid impinging normally upon a wall has been investigated when there is a partial slip of the fluid at the wall. The governing equations of motion admit a similarity solution in terms of η, the dimensionless distance normal to the wall. The boundary value problem characterizing the flow has been solved without making any assumption on the size of either the viscoelastic fluid parameter or the partial slip parameter. The solutions are shown to exist only up to a … Show more
“…The similarity solutions of the Navier-Stokes equations for the stagnation-point flow towards a flat plate with slip were found by Wang [9] , where the solutions are applicable to the slip regime of rarefied gases. Later, Wang [10] extended this problem to the one including the heat transfer aspect, while Ariel [11] studied the stagnation-point flow of a viscoelastic fluid. Labropulu and Li [12] studied the stagnation-point flow of a second-grade fluid with slip.…”
of the buoyancy parameter, while fir theassisting flow, the solution is unique. In general, the velocity slip increases the heat transfer rate at the surfaee, while the thermal slip decreases it.
“…The similarity solutions of the Navier-Stokes equations for the stagnation-point flow towards a flat plate with slip were found by Wang [9] , where the solutions are applicable to the slip regime of rarefied gases. Later, Wang [10] extended this problem to the one including the heat transfer aspect, while Ariel [11] studied the stagnation-point flow of a viscoelastic fluid. Labropulu and Li [12] studied the stagnation-point flow of a second-grade fluid with slip.…”
of the buoyancy parameter, while fir theassisting flow, the solution is unique. In general, the velocity slip increases the heat transfer rate at the surfaee, while the thermal slip decreases it.
“…Bhatnagar [17] and Ariel [18][19][20]. In [21], Ariel discussed the steady flow of a third grade fluid in a porous flat channel and presented various types of solutions that include an exact numerical solution, perturbation solution, an iterative solution and the approximate solutions.…”
SUMMARYThe heat transfer analysis on the laminar flow of an incompressible third grade fluid through a porous flat channel is examined. The lower plate is assumed to be at a higher temperature than the upper plate. Analytical solution for temperature distribution is obtained for various values of the controlling parameters and discussed. The obtained analytical solution is also compared with the numerical solution. The comparison shows the fact that the accuracy is remarkable.
“…The non-adherence of a fluid to a solid boundary, known as velocity slip, is a phenomenon that has been observed under certain circumstances Yoshimura and Prudhomme [14]. Recently, many researchers Wang [15], including Andersson [16], Ariel et al [17,18] and Abbas et al [19] investigated flow problems by using slip flow conditions at the boundary. By considering the effect of partial slip at a stretching wall on the boundary layer flow with diffusion of a chemically reactive solute transfer with a first order reaction along a stretching cylinder, a new dimension can be added to the study by Ishak and Nazar [11].…”
This paper presents the distribution of a solute undergoing a first order chemical reaction in an axisymmetric laminar boundary layer flow along a stretching cylinder. Velocity slip condition at the boundary is used instead of no-slip condition. Similarity transformations are used to convert the partial differential equations corresponding to momentum and concentration into highly nonlinear ordinary differential equations. Numerical solutions of these equations are obtained by the shooting method. The velocity decreases with increasing slip parameter. The skin friction as well as the mass transfer rate at the surface is larger for a cylinder than for a flat plate.
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