Effectiveness of Stefan blowing on MHD slip flow of Prandtl–Eyring nanofluid over an elongating sheet with activation energy and viscous-Ohmic dissipation

Bidyasagar Kumbhakar and Susmay Nandi
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Bidyasagar Kumbhakar: Department of Mathematics, National Institute of Technology Meghalaya, Shillong 793003, India
Susmay Nandi: Department of Mathematics, National Institute of Technology Meghalaya, Shillong 793003, India

International Journal of Modern Physics C (IJMPC), 2024, vol. 35, issue 02, 1-26

Abstract: This work examines the Stefan blowing effect on the magnetized stagnation point flow of Prandtl–Eyring nanoliquid along a nonlinear elongating surface under the influence of numerous slips. In this study, the impressions of internal heat sources, nonlinearly varying radiation, activation energy with binary chemical reactions, viscous dissipation, and Joule dissipation are taken into account. The thermal flux associated with thermal radiation is computed using Rosseland’s approximation for an optically thick environment. The controlling dimensional mathematical equations are transformed into nondimensional representations using appropriate similarity transmissions. Numerical temperature, velocity, and concentration solutions are obtained using a shooting method based on secant iteration and the Runge–Kutta–Fehlberg method. Using tabular and graphical displays of numerical data, the physical effects of a number of relevant parameters on the nanoliquid temperature, velocity, and concentration are examined. By contrasting the current results with information that has already been published for a few limiting circumstances, the validity of the acquired results is demonstrated. The effects of physical features on the local surface drag coefficient, rates of mass and heat transfer are demonstrated using numerical data shown in tabular form. For increasing values of the Stefan blowing parameter, fluid velocity decreased. The fluid temperature tends to rise as a result of thermal radiation.

Keywords: Stefan blowing; thermal radiation; multiple slips; heat generation; Ohmic dissipation; activation energy (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1142/S0129183124400047

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