http://digitalknowledge.cput.ac.za/bitstream/11189/4942/3/Makinde_Oluwole_D_Aziz_A_Eng_2011.pdf

Boundary layer flow of a nanofluid past a stretching sheet with a convective boundary condition

Effect of partial slip boundary condition on the flow and heat transfer of nanofluids past stretching sheet prescribed constant wall temperature

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Physical And Computational Aspects Of Convective Heat Transfer

Non-aligned MHD stagnation point flow of variable viscosity nanofluids past a stretching sheet with radiative heat

Ing. Holger Steeb, Dr.-Ing. Fehmi Cirak, Prof. Dr.-Ing. Ekkehard Ramm, University of Stuttgart, Department of Civil Engineering, Institute of Structural ...

Zeitschrift für angewandte mathematik und mechanik

Non-orthogonal stagnation-point flow towards a stretching surface in a non-Newtonian fluid with heat transfer

The steady two-dimensional stagnation-point flow of a second-grade fluid with slip is examined. The fluid impinges on the wall either orthogonally or obliquely. Numerical solutions are obtained using a quasi-linearization technique.

Stagnation-point flow of a second-grade fluid with slip

The two-dimensional forced convection stagnation-point flow and heat transfer of a viscoelastic second grade fluid obliquely impinging on an infinite plane wall is considered as an exact solution of the full partial differential equations. This oblique flow consists of an orthogonal stagnation-point flow to which a shear flow whose vorticity is fixed at infinity is added. The relative importance of these flows is measured by a parameter γ . The viscoelastic problem is reduced to two ordinary differential equations governed by the Weissenberg number W e , two parameters α  and β , the later being a free parameter β , introduced by Tooke and Blyth [A note on oblique stagnation-point flow, Physics of Fluids 20 (2008) 033101-1–3], and the Prandtl number Pr . The two cases when α = β  and α ≠ β  are, respectively, considered. Physically the free parameter may be viewed as altering the structure of the shear flow component by varying the magnitude of the pressure gradient. It is found that the location of the separation point x s  of the boundary layer moves continuously from the left to the right of the origin of the axes ( x s 0 ).

Oblique stagnation-point flow of a viscoelastic fluid with heat transfer

In this study, we discussed the enhancement of thermal conductivity of
 elastico-viscous fluid filled with nanoparticles, due to the implementation
 of radiation and convective boundary condition. The flow is considered
 impinging obliquely in the region of oblique stagnation point on the
 stretching surface. The obtained governing partial differential equations are
 transformed into a system of ordinary differential equations by employing a
 suitable similarity transformation. The solution of the resulting equations
 is computed numerically using Chebyshev Spectral Newton Iterative Scheme
 (CSNIS). An excellent agreement with the results available in literature is
 obtained and shown through tables. The effects of involving parameters on the
 fluid flow and heat transfer are observed and shown through graphs. It is
 importantly noted that the larger values of Biot number imply the enhancement
 in heat transfer, thermal boundary layer thickness and concentration boundary
 layer thickness.

/pdf/oblique-stagnation-point-flow-of-a-non-newtonian-nanofluid-2n077zgtft.pdf

Oblique stagnation point flow of a non-Newtonian nanofluid over stretching surface with radiation: A numerical study

The steady axisymmetric flow and heat transfer of an incompressible, electrically conducting non-Newtonian second grade fluid impinging on a flat plate is investigated. An external uniform, transverse magnetic field is applied at the surface of the plate. Similarity transformation is used to reduce the resulting highly nonlinear partial differential equations into ordinary differential equations. An effective numerical scheme has been adopted to solve the nonlinear ordinary differential equations. The effects of non-Newtonian flow parameters and the magnetic field on the momentum and thermal boundary layers are discussed in detail and shown graphically. It is interesting to find that the non-Newtonian parameter and the magnetic parameter have opposite effects on the momentum and thermal boundary layers. The skin friction coefficient decreases exponentially with an increase in the non-Newtonian viscoelastic parameter and increases linearly with an increase in the magnetic parameter.

Fotini Labropulu

Papers

Non-orthogonal stagnation-point flow towards a stretching surface in a non-Newtonian fluid with heat transfer

Stagnation-point flow of a second-grade fluid with slip

Oblique stagnation-point flow of a viscoelastic fluid with heat transfer

Oblique stagnation point flow of a non-Newtonian nanofluid over stretching surface with radiation: A numerical study

Steady Homann flow and heat transfer of an electrically conducting second grade fluid