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Journal of Porous Media
Fator do impacto: 1.061 FI de cinco anos: 1.151 SJR: 0.504 SNIP: 0.671 CiteScore™: 1.58

ISSN Imprimir: 1091-028X
ISSN On-line: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.2018029067
pages 107-117

A NUMERICAL STUDY OF FERROFLUID (Fe3O4) IN THE PRESENCE OF A MAGNETIC DIPOLE INSPIRED BY SLIP AND VISCOUS DISSIPATION EFFECTS SUBMERGED IN A POROUS MEDIUM

Zahid Iqbal
Department of Mathematics, Faculty of Sciences, HITEC University, Taxila 44700, Pakistan
Bilal Ahmad
Department of Mathematics, Faculty of Sciences, HITEC University, Taxila 44700, Pakistan
Ehnber Naheed Maraj
Department of Mathematics, Faculty of Sciences, HITEC University, Taxila 44700, Pakistan

RESUMO

The present article is a theoretical attempt to investigate the stretching flow and heat transfer phenomena most encountered in the plastic films and sheet industry. This study is performed to analyze the behavior of slip flow of ferrofluid in a porous medium. Effects of viscous dissipation and thermal radiation are taken into account in the presence of a magnetic dipole. The developed nonlinear ordinary differential equations are tackled numerically using the Runge−Kutta−Fehlberg method coupled with a shooting scheme. Graphical results for velocity, temperature, and skin friction and heat flux are obtained and analyzed in a physical manner. Skin friction at the wall enhances with increasing ferromagnetic–hydrodynamic interaction parameter. Local heat flux is found to be an increasing function of thermal radiation and decreases with an increasing ferromagnetic parameter.