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

ISSN Print: 1940-2503
ISSN Online: 1940-2554

Computational Thermal Sciences: An International Journal

DOI: 10.1615/ComputThermalScien.2018021564
pages 189-203

FLOW AND HEAT TRANSFER OF A NANOFLUID BY MIXED CONVECTION WITH NONUNIFORM HEAT SOURCE/SINK AND MAGNETIC FIELD EFFECT: A NUMERICAL APPROACH

Md. Sharifuddin Ansari
School of Technology, Pandit Deendayal Petroleum University, Gandhinagar-382007, India
S. S. Motsa
Department of Mathematics, University of Swaziland, Kwaluseni, Swaziland
M. Trivedi
School of Technology, Pandit Deendayal Petroleum University, Gandhinagar-382007, India

ABSTRACT

Heat transfer characteristics of a two-dimensional steady hydromagnetic mixed-convection flow of a nanofluid over a nonlinear stretching sheet taking into account the effects of internal heat generation/absorption have been investigated numerically. The governing partial differential equations are nondimensionalized and transformed into similar forms by using appropriate similarity transformations. The transformed set of coupled nonlinear partial differential equations is solved using spectral local linearization method. The effects of different flow controlling parameters, namely, space- and temperature-dependent heat source/sink, buoyancy force, magnetic force, stretching index, Brownian motion, thermophoresis and Lewis number parameter on the flow field, heat transfer characteristics, and nanoparticles concentration, are examined.


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