Effect of the dimple location and rotating number on the heat transfer and flow structure in a pin finned channel

•The effect of the Ro number on the heat transfer in a rotating pin finned channel is introduced.•The effect of the dimple location on the heat transfer in a rotating channel with pin fin.•A counter-rotating vortex at the back of the pin fin is found. In this study, the Realizable k-ε turbulent mode...

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