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Heat Transfer Research
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ISSN Imprimer: 1064-2285
ISSN En ligne: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.2018026700
pages 1163-1181


Kempannagari Anantha Kumar
Department of Mathematics, Sri Venkateswara University, Tirupati-517 502, India
V. Sugunamma
Department of Mathematics, Sri Venkateswara University, Tirupati-517 502, India
N. Sandeep
Department of Mathematics, Central University of Karnataka, Kalaburagi-585 367, India
J. V. Ramana Reddy
Department of Mathematics, Sri Venkateswara University, Tirupati-517502, India; Department of Science and Humanities, Krishna Chaitanya Institute of Technology and Sciences, Markapur, India


In this article, we examined the flow and heat transfer attributes of MHD natural convective micropolar fluid over a permeable stretching surface with second-order velocity slip. The flow is incompressible, time-independent, and laminar. The impacts of Joule heat, nonlinear radiation, and irregular heat sink/source are anticipated. The PDEs which govern the flow have been transformed as ODEs by the choice of similarity transformations. The transformed nonlinear ODEs are changed into linear ones by the well-known shooting method then solved numerically by the fourth-order Runge-Kutta method. The variations of the flow governing parameters with the dimensionless velocity, microrotation, temperature as well as the local Nusselt number, couple stress and skin friction coefficients are thoroughly elucidated with the assistance of graphs and tables. The findings reveal that the nonlinear radiation parameter and Eckert number have a tendency to enhance the thermal field. Also, fluid velocity and microrotation velocity are reducing functions of magnetic field and porosity parameters but an opposite trend is noticed for micropolar and buoyancy parameters.


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