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NON-AXISYMMETRIC STAGNATION-POINT FLOW IN A FLUID SATURATED POROUS MEDIUM

Volumen 23, Ausgabe 6, 2020, pp. 563-572
DOI: 10.1615/JPorMedia.2020031123
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ABSTRAKT

A modification of axisymmetric outer potential stagnation-point flow of strain rate a in a porous medium is obtained by adding periodic radial and azimuthal velocities of the form br sin 20 and b r cos 20, respectively, where b is a shear rate. This leads to the discovery of a new family of asymmetric stagnation-point flows depending on two parameters, namely the shear-to-strain-rate ratio γ and the porous media parameter σ. Numerical solutions for the wall shear stress parameters and the displacement thicknesses are given and compared with their large-γ asymptotic behaviors. Sample similarity velocity profiles are also presented.

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REFERENZIERT VON
  1. Waini Iskandar, Ishak Anuar, Pop Ioan, Flow towards a Stagnation Region of a Curved Surface in a Hybrid Nanofluid with Buoyancy Effects, Mathematics, 9, 18, 2021. Crossref

  2. Waini Iskandar, Ishak Anuar, Pop Ioan, Symmetrical solutions of hybrid nanofluid stagnation-point flow in a porous medium, International Communications in Heat and Mass Transfer, 130, 2022. Crossref

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