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Abstract

Evolutions in Mechanical Engineering

Anisotropy Effects and Cosmymetry of Convective Flows for Nanofluids in Porous Medium

Submission: July 03, 2019; Published: September 24, 2019

DOI: 10.31031/EME.2019.03.000552

ISSN: 2640-9690
Volume3 Issue1

Abstract

The planar problem of convection in a porous rectangle saturated with a heat-conducting nanofluid is considered. Based on the Darcy-Boussinesq equations, taking into account the Soret effect and assuming the anisotropy of a fluid and a medium, an instability analysis of quiescent state is studied. The conditions under which the problem is being cosymmetric one are established and explicit formulas for the critical Rayleigh numbers are derived. The finite difference methods are developed with preservation of cosymmetry property.

Keywords: Convection; Nanofluid; Porous media; Anisotropy; Cosymmetry

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