Forced convection of laminar gaseous slip flow near a stagnation point with viscous dissipation and pressure work

2021;
: pp. 658–664
https://doi.org/10.23939/mmc2021.04.658
Received: May 23, 2021
Accepted: June 07, 2021

Mathematical Modeling and Computing, Vol. 8, No. 4, pp. 658–664 (2021)

1
Laboratory of Mechanics, Faculty of Sciences Ain Chock, Hassan II University
2
Research Team ERMAM, Polydisciplinary Faculty of Ouarzazate, Ibn Zohr University
3
Laboratory of Mechanics, Faculty of Sciences Ain Chock, Hassan II University
4
Laboratory of Mechanics, Faculty of Sciences Ain Chock, Hassan II University
5
Laboratory of Mechanics, Faculty of Sciences Ain Chock, Hassan II University

Forced convection problem of laminar quasi-incompressible boundary layer for the stagnation slip flow at a relatively low Mach number, considering the simultaneous effects of viscous dissipation and pressure work, has been investigated.  The system of coupled partial differential equations was first transformed into a system of coupled ordinary differential equations through suitable transformations, which was then solved using Runge–Kutta–Fehlberg fourth-fifth order method.  The solution obtained here is much better suited to formulating and solving the variable-property of chemically reacting flows that occur in practice, by taking into account the slip boundary conditions at the gas–wall interface.  The effects of the Eckert number and the slip parameter on the heat transfer characteristics are presented graphically and discussed.  The numerical results show that the pressure work, viscous dissipation play significant role on the heat transfer and could not be neglected under any circumstance for rarefied gas flows.

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