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FINITE ELEMENT ANALYSYS OF RADIATIVE UNSTEADY MHD VISCOUS DISSIPATIVE MIXED CONVECTION FLUID FLOW PAST AN IMPULSIVELY STARTED OSCILLATING PLATE IN THE PRESENCE OF HEAT SOURCE

D. Santhi Kumaria,* , Venkata Subrahmanyam Sajjaa , P. M. Kishoreb,†

a * Research Scholar, Department of Engineering Mathematics, Koneru Lakshmaiah Education Foundation, Guntur, A.P., India.
a Department of Engineering Mathematics, Koneru Lakshmaiah Education Foundation, Guntur, A.P., India.
b Department of Mathematics, Geethanjali Institute of Science and Technology, Nellore, A.P., India.
* Research Scholar .Presently at Department of Science & Humanities, Rise Krishna Sai Prakasam Group of Institutions, Ongole, Andhra Pradesh, India
† Corresponding author.Email:subrahmanyam@kluniversity.in.

Frontiers in Heat and Mass Transfer 2023, 20, 1-11. https://doi.org/10.5098/hmt.20.5

Abstract

The aim of present study is an influence of viscous dissipation and heat source on an unsteady MHD mixed convective, fluid flow past an impulsively started oscillating plate embedded in a porous medium in presence of magnetic field, heat and mass transfer. The modeling equations are converted to dimensionless equations then solved through Galerkin finite element method and discussed in the flow distributions with the help of MATLAB. Numerical results for the velocity, temperature and concentration distributions as well as the skin-friction coefficient, Nusselt number and Sherwood number are discussed in detail and displayed graphically for various physical parameters. It is observed that increasing the values of porous medium improves the velocity profile, while increasing 'M' and Prandtl number decreases it. As the values of the heat source parameter increase, the temperature profile decreases. This model may be useful in view of lab experimental results for correctness and applicability and useful to analyze the fluid behavior in thermal engineering industries with the influence of the thermal, magnetic and chemical reaction effects etc. A comparison of present results with previously published results shows an excellent agreement.

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Cite This Article

Kumari, D. S. (2023). FINITE ELEMENT ANALYSYS OF RADIATIVE UNSTEADY MHD VISCOUS DISSIPATIVE MIXED CONVECTION FLUID FLOW PAST AN IMPULSIVELY STARTED OSCILLATING PLATE IN THE PRESENCE OF HEAT SOURCE. Frontiers in Heat and Mass Transfer, 20(1), 1–11.



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