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3 International Journal of Applied Mechanics and Engineering

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Nanofluid motion past a shrinking sheet in porous media under the impact of radiation and heat source/sink

Sharma R. P., Jha A. K., Gaur P. K., Mishra S. R.

International Journal of Applied Mechanics and Engineering

2019

Vol. 24, no. 4

183--199

An investigation has been carried out for the MHD 3-dimensional flow of nanofluid over a shrinking sweet saturating a porous media in the presence of thermal radiation and heat generation. Convective boundary conditions for the flow phenomena are used in the present analysis. The governing equations are reduced to ODEs employing suitable similarity transformations. The solutions of formulated differential equations have been attained mathematically by fourth order R-K technique along with the shooting method. The impact of the governing constraints on momentum, heat, and local Nusselt number, are explored. It is noticed that the momentum and heat decrease with raise in the porosity variable, temperature reduces with an enhance in the thermal radiation variable, and temperature enhances with an enhance in the heat source/sink parameter.

Transient free convective radiative flow between vertical parallel plates heated/cooled asymmetrically with heat generation and slip condition

Gaur P. K., Sharma R. P., Jha A. K.

International Journal of Applied Mechanics and Engineering

2018

Vol. 23, no. 2

365--384

Investigation of an MHD convective flow of viscous, incompressible and electrically conducting fluid through a porous medium bounded by two infinite vertical parallel porous plates is carried out. Forchheimer-Brinkman extended Darcy model is assumed to simulate momentum transfer within the porous medium. A magnetic field of uniform strength is applied normal to the plates. The analytical results are evaluated numerically and the presented graphically to discuss in detail the effects of different parameter entering into the problem.

Magneto-polar fluid flow through a porous medium of variable permeability in slip flow regime

Gaur P. K., Jha A. K., Sharma R.

International Journal of Applied Mechanics and Engineering

2016

Vol. 21, no. 2

323--339

A theoretical study is carried out to obtain an analytical solution of free convective heat transfer for the flow of a polar fluid through a porous medium with variable permeability bounded by a semi-infinite vertical plate in a slip flow regime. A uniform magnetic field acts perpendicular to the porous surface. The free stream velocity follows an exponentially decreasing small perturbation law. Using the approximate method the expressions for the velocity, microrotation, and temperature are obtained. Further, the results of the skin friction coefficient, the couple stress coefficient and the rate of heat transfer at the wall are presented with various values of fluid properties and flow conditions.