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Hybrid nanofluid are considered as advanced nanofluid, as shown by their thermal properties and budding benefits that aid the drive of increasing the heat transfer rate. This article deals with the MHD natural convective flow of micropolar CuO-Ag/water hybrid nanofluid over a plate placed vertically in a porous medium with the involvement of the suction/injection at the surface of the plate, heat generation/absorption, Joule heating, viscous dissipation, and thermal radiation influence. The similarity transformations are used to translate the fundamental controlling PDEs to ODEs. After that, nonlinear ODEs are solved by means of the R−K−F 4–5th order method and shooting technique. The comparison between the behavior of solution profiles of temperature, micro-rotation and velocity distribution for suction and injection has been visualized graphically. The effect of different shape factors on the solution profiles is also discussed. The influence of the relevant flow parameters on the heat transfer and skin friction factor are also studied. The main observation is that the heat flow rate is higher with the injection effect than with the suction effect.
Gumber et al. (Thu,) studied this question.