Impact of porosity and radiation on two‐dimensional unsteady magnetohydrodynamics heat transfer stagnation point flow with viscous dissipation

The current study aims to investigate the influence of porosity in the presence of radiation, and viscous dissipation on two‐dimensional unsteady magnetohydrodynamics mixed convection heat and mass transfer flow at the stagnation point. The governing time‐dependent nonlinear partial differential equ...

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Bibliographic Details
Published in:Heat transfer (Hoboken, N.J. Print) N.J. Print), 2023-07, Vol.52 (5), p.3538-3556
Main Authors: Reddy, Nalivela Nagi, Yanala, Dharmendar Reddy, Goud, B. Shankar, Vempati, Srinivasa Rao
Format: Article
Language:English
Subjects:
chemical reaction
MHD
porosity
thermal radiation
unsteady
viscous dissipation
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Summary:The current study aims to investigate the influence of porosity in the presence of radiation, and viscous dissipation on two‐dimensional unsteady magnetohydrodynamics mixed convection heat and mass transfer flow at the stagnation point. The governing time‐dependent nonlinear partial differential equations are converted into a nonlinear ordinary differential equation by utilizing similarity transformations. The transformed equations are solved by employing the bvp4c technique, a well‐known numerical approach. The influence of nondimensional factors on fluid velocity, temperature, and species concentration profiles is explored and graphically represented. For varied values of the Prandtl number, magnetic field, and Schmidt number, the friction factor, Nusselt, and Sherwood numbers are also explored and provided in tabular format. As increasing the porosity parameter, the temperature profile, concentration profile is growing, and velocity profile diminishes. The conclusions of this study are widely accepted by the scientific community.
ISSN:2688-4534
2688-4542
DOI:10.1002/htj.22839