Mechanics & Industry
Volume 20, Number 5, 2019
|Number of page(s)||9|
|Published online||15 July 2019|
Influence of rotating magnetic field on Maxwell saturated ferrofluid flow over a heated stretching sheet with heat generation/absorption
Departmentof Mathematics Statistics, Bacha Khan University, 24420 Charsadda, KPK, Pakistan
2 Department of Mathematics and Statistics, FBAS, IIUI, H-10, Islamabad 44000, Pakistan
3 Department of Informatics, Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway
4 Department of Electronic Engineering, University of Engineering and Technology, Taxila, Pakistan
* e-mail: email@example.com
Accepted: 22 March 2019
This article is focused on Maxwell ferromagnetic fluid and heat transport characteristics under the impact of magnetic field generated due to dipole field. The viscous dissipation and heat generation/absorption are also taken into account. Flow here is instigated by linearly stretchable surface, which is assumed to be permeable. Also description of magneto-thermo-mechanical (ferrohydrodynamic) interaction elaborates the fluid motion as compared to hydrodynamic case. Problem is modeled using continuity, momentum and heat transport equation. To implement the numerical procedure, firstly we transform the partial differential equations (PDEs) into ordinary differential equations (ODEs) by applying similarity approach, secondly resulting boundary value problem (BVP) is transformed into an initial value problem (IVP). Then resulting set of non-linear differentials equations is solved computationally with the aid of Runge–Kutta scheme with shooting algorithm using MATLAB. The flow situation is carried out by considering the influence of pertinent parameters namely ferro-hydrodynamic interaction parameter, Maxwell parameter, suction/injection and viscous dissipation on flow velocity field, temperature field, friction factor and heat transfer rate are deliberated via graphs. The present numerical values are associated with those available previously in the open literature for Newtonian fluid case (γ 1 = 0) to check the validity of the solution. It is inferred that interaction of magneto-thermo-mechanical is to slow down the fluid motion. We also witnessed that by considering the Maxwell and ferrohydrodynamic parameter there is decrement in velocity field whereas opposite behavior is noted for temperature field.
Key words: Maxwell ferrofluid / rotating magnetic field / heat generation / heat absorption / viscous dissipation / suction / injection
© AFM, EDP Sciences 2019
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