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Three-dimensional model of double diffusive magnetohydrodynamic Newtonian fluid flow

S. Parvin1 , S. S. P. M. Isa1,2 , S. K. Soid3

1 Institute for Mathematical Research, University Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia
2 Centre of Foundation Studies for Agricultural Science, University Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia
3 Faculty of Computer and Mathematical Sciences, University Teknologi MARA, 40450 UiTM Shah Alam, Selangor, Malaysia

A three-dimensional model of viscous magnetohydrodynamic Newtonian fluid flow bounded by an exponentially stretching plate is developed. The fluid velocity, temperature and concentration are assumed to be distributed exponentially. With the help of non-similarity transformation, the partial differential governing equations are converted to ordinary differential equations and then the problem is solved using the bvp4c MATLAB program. The collective results are compared with those of earlier studies in a limiting case and found to be in good agreement. The numerical results on the Newtonian fluid flow (velocity profile and skin friction coefficient), the changes of the fluid temperature (temperature profile and local Nusselt number), and the differences of fluid mass (concentration profile and local Sherwood number) are presented graphically. The fluid velocity and the skin friction coefficient increase with the increment of the mixed convection parameter and decrease with the increment of the magnetic field parameter. On the other hand, the heat (local Nusselt number) and mass (local Sherwood number) transfer increases with the increment of the stretching parameter. Tables 2, Figs 10, Refs 29.

Magnetohydrodynamics 57, No. 3, 367-384, 2021 [PDF, 2.11 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X