Entropy Generation Analysis of MHD Radiative Nanofluid Flow through Channel

What is it about?

The present work inspects the entropy generation on radiative heat transfer in the flow of variable thermal conductivity optically thin viscous Cu–water nanofluid with an external magnetic field through a parallel isothermal plate channel. A stability analysis has been performed for the rate of heat transfer which signifies that the lower solution branch is stable and physically acceptable, whereas the upper solution branch is unstable.

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Why is it important?

For regions of the flow field at a greater velocity gradient, i.e., adjacent to the hot and cold walls, the total entropy generation rate is dominated by the effects of fluid friction. Conversely, in the regions of the flow field at a higher and more uniform velocity distribution, i.e., the central region of the channel, the total entropy generation rate is dominated by the effects of fluid heat transfer.