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Journal of Porous Media
Impact-faktor: 1.752 5-jähriger Impact-Faktor: 1.487 SJR: 0.43 SNIP: 0.762 CiteScore™: 2.3

ISSN Druckformat: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v20.i12.60
pages 1137-1154

HEAT AND MASS TRANSFER ANALYSIS OF UNSTEADY NON-NEWTONIAN FLUID FLOW BETWEEN POROUS SURFACES IN THE PRESENCE OF MAGNETIC NANOPARTICLES

M. Zubair Akbar Qureshi
Centre for Advanced Studies in Pure and Applied Mathematics, (CASPAM), Bahauddin Zakariya University, (BZU), Multan, 608000 Pakistan; Department of Computer Science, Air University (Islamabad), Multan–Campus, Pakistan
Kashif Ali
Department of Basic Sciences and Humanities, Muhammad Nawaz Sharif University of Engineering and Technology, Multan, Pakistan
Muhammad Farooq Iqbal
Centre for Advanced Studies in Pure and Applied Mathematics, (CASPAM), Bahauddin Zakariya University, (BZU), Multan, 608000 Pakistan
M. Ashraf
Centre for Advanced Studies in Pure and Applied Mathematics, (CASPAM), Bahauddin Zakariya University, (BZU), Multan, 608000 Pakistan

ABSTRAKT

Nanofluids with magnetic nanoparticles have distinguished useful applications in nanotechnology and biotechnology. This study presents an analysis of flow and heat transfer effects for the Casson nanofluid through orthogonally moving porous disks in the presence of an external magnetic field. Buongiorno's two-phase model has been employed for the mathematical modeling of the problem, in which the slip mechanism of the nanoparticles affects the concentration and thermal profiles. Governing partial differential equations are converted into nonlinear ordinary ones which are solved numerically by using the shooting technique. Influence of the relevant parameters on the physical quantities (like the skin friction coefficient, the Nusselt number, and the Sherwood number), and the velocity, temperature, as well as the nanoparticles concentration profiles, have been studied through tables and graphs.


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