Convective heat transfer characteristics above a horizontal wafer-based disk heated with 15 simulated chips in unobstructed ambient air have been experimentally investigated under both stationary and rotating disk conditions. Relevant parameters influencing heat transfer performance studied are the Grashof number and rotational Reynolds number. Their effects on heat transfer characteristics in such configurations of stationary and rotational heated disks are successively explored. The heat transfer enhancement of rotation on the heated disk has been investigated; the effect of natural convection on the heat transfer behavior of the heated rotating disk has also been explored.
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