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2 International Journal of Applied Mechanics and Engineering

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Optimization of heat transfer properties of nanofluid flow over a shrinking surface through mathematical modeling

Bhandari A., Pavan Kumar Pannala R. K.

International Journal of Applied Mechanics and Engineering

2020

Vol. 25, no. 2

40--56

In the current study, a three dimensional incompressible magnetohydrodynamic (MHD) nanofluid flow over a shrinking surface with associated thermal buoyancy, thermal radiation, and heating absorption effects, as well as viscous dissipation have been investigated. The model has been represented in a set of partial differential equations and is transformed using suitable similarity transformations which are then solved by using the finite element method through COMSOL. The results for velocity and temperature profiles are provided for various values of the shrinking parameter, Biot’s number, heat generation/absorption parameter, thermal Grashof number, nanoparticle volume fraction, permeability parameter, magnetic parameter and radiation parameter.

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.