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Stagnation point flow and heat transfer over an exponentially stretching/shrinking Riga plate with effects of radiation and heat source/sink

M. Z. H. Supian1 , N. A. A. M. Nasir2 , A. Ishak3

1 Department of Mathematics, Faculty of Science and Mathematics, Kampus Sultan Azlan Shah, University Pendidikan Sultan Idris, Proton City, 35900 Tanjung Malim, Perak, Malaysia
2 Department of Mathematics, Centre for Defence Foundation Studies, University Pertahanan Nasional Malaysia, Kem Sungai Besi 57000 Kuala Lumpur, Malaysia
3 School of Mathematical Sciences, Faculty of Science and Technology, University Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia

Abstract
Impacts of heat source/sink and radiation on fluid flow and heat transfer past a permeable exponentially stretching/shrinking Riga plate were studied in this work. The governing partial differential equations were reduced to higher-order nonlinear ordinary differential equations using a suitable similarity transformation. The reduced equations are then numerically solved using the MATLAB software boundary value problem solver. The behavior of the skin friction coefficient and heat transfer is visually represented using numerical results. According to the findings, the modified Hartmann number significantly affects the heat transfer rate and the skin friction coefficient. The results also showed that the modified Hartmann number could be used as a controller for the heat transfer rate in case of radiation and heat source/sink occurrence. Figs 7, Refs 28.

Magnetohydrodynamics 57, No. 3, 405-416, 2021 [PDF, 1.14 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X
DOI: http://doi.org/10.22364/mhd