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Computational Thermal Sciences: An International Journal
ESCI SJR: 0.249 SNIP: 0.434 CiteScore™: 1.4

ISSN Imprimer: 1940-2503
ISSN En ligne: 1940-2554

Computational Thermal Sciences: An International Journal

DOI: 10.1615/ComputThermalScien.2020033674
pages 361-385

RADIATIVE NANOFLUID FLOW DUE TO UNSTEADY BI-DIRECTIONAL STRETCHING SURFACE WITH CONVECTIVE AND ZERO MASS FLUX BOUNDARY CONDITIONS: USING KELLER BOX SCHEME

Muhammad Faisal
Department of Mathematics, Faculty of Sciences, University of Azad Jammu & Kashmir, Muzaffarabad 13100, Pakistan
Iftikhar Ahmad
Department of Mathematics, Faculty of Sciences, University of Azad Jammu & Kashmir, Muzaffarabad 13100, Pakistan
Tariq Javed
Department of Mathematics and Statistics, Faculty of Basic and Applied Science, International Islamic University, Islamabad 44000, Pakistan

RÉSUMÉ

The focus of this recent investigation is to describe the hydromagnetic nanoliquid flow generated by an unsteady bi-directional stretching surface that is non-uniformly heated. The effects of nonlinear thermal radiation, non-Darcy porous media, convective heat transport, and zero mass flux characteristics are also taken into consideration. The Buongiorno nanoliquid model is used to analyze the amount of heat transport. A numerical solution is developed using the Keller box method. The velocity, temperature, and concentration distributions in relation to escalating amounts of the involved parameters are explained through various graphs. Moreover, graphical illustrations of the skin friction coefficients and local Nusselt numbers are made for a wide range of pertinent parameters. It is observed that the Brownian parameter provides a fixed amount of heat transport because of the vanished mass flux across the surface. It is also observed through the present investigation that escalating amounts of the radiation parameter, temperature ratio, Biot number, unsteady parameter, Prandtl number, and temperature-controlled indices enhance the rate of heat transfer. Furthermore, growing amounts of the Biot number, radiation parameter, temperature ratio, and thermophoresis parameter improve the nanoparticle concentration. Finally, a comparison of the local Nusselt numbers has been made for a limited number of cases to ensure the accuracy of the present solution.

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