Slip effects on MHD Hiemenz stagnation point nanofluid flow and heat transfer along a nonlinearly shrinking sheet with induced magnetic field: multiple solutions

Slip effects on MHD Hiemenz stagnation point nanofluid flow and heat transfer along a nonlinearly... The present investigation deals with two-dimensional boundary layer flow of an incompressible electrically conducting nanofluid induced by a nonlinearly (power-law) shrinking flat surface in the presence of passively controlled nanoparticle boundary condition along with induced magnetic field effect. The similarity transformations developed by Lie group method are used which transforms the set of governing equations into a set of coupled similarity equations. This system of nonlinear ordinary differential equation is solved to obtain multiple solutions using a Runge–Kutta–Fehlberg fourth–fifth-order method (RKF45) with shooting method. This study claims the existence of multiple solutions of velocity and temperature profiles as function of suction ( $$s$$ s ) and shrinking parameter ( $$\chi$$ χ ). The critical points (turning points) have also been reported for suction ( $$0 < s_{c} < s$$ 0 < s c < s ) and shrinking parameter ( $$\chi_{c} < \chi < 0$$ χ c < χ < 0 ) for the default set of other parameters. The temporal stability analysis has been performed to confirm the uniqueness of stable solution. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of the Brazilian Society of Mechanical Sciences and Engineering Springer Journals

Slip effects on MHD Hiemenz stagnation point nanofluid flow and heat transfer along a nonlinearly shrinking sheet with induced magnetic field: multiple solutions

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by The Brazilian Society of Mechanical Sciences and Engineering
Subject
Engineering; Mechanical Engineering
ISSN
1678-5878
eISSN
1806-3691
D.O.I.
10.1007/s40430-017-0730-z
Publisher site
See Article on Publisher Site

Abstract

The present investigation deals with two-dimensional boundary layer flow of an incompressible electrically conducting nanofluid induced by a nonlinearly (power-law) shrinking flat surface in the presence of passively controlled nanoparticle boundary condition along with induced magnetic field effect. The similarity transformations developed by Lie group method are used which transforms the set of governing equations into a set of coupled similarity equations. This system of nonlinear ordinary differential equation is solved to obtain multiple solutions using a Runge–Kutta–Fehlberg fourth–fifth-order method (RKF45) with shooting method. This study claims the existence of multiple solutions of velocity and temperature profiles as function of suction ( $$s$$ s ) and shrinking parameter ( $$\chi$$ χ ). The critical points (turning points) have also been reported for suction ( $$0 < s_{c} < s$$ 0 < s c < s ) and shrinking parameter ( $$\chi_{c} < \chi < 0$$ χ c < χ < 0 ) for the default set of other parameters. The temporal stability analysis has been performed to confirm the uniqueness of stable solution.

Journal

Journal of the Brazilian Society of Mechanical Sciences and EngineeringSpringer Journals

Published: Feb 17, 2017

References

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