Abstract
This paper describes the heat transfer enhancement mechanism on the forced convection by spraying a slight quantity of mist in a channel of a backward-facing step flow. The mist reduces temperature of a main flow by displacement of the latent heat accompanying evaporation. In this research, about the above-mentioned phenomenon was done by both of the experiment and the computer simulation. And, we compared those results and considered that about the relation of the behavior and evaporation process of the mist. Finally, about the mechanism of the heat transfer enhancement by spraying a slight quantity of mist in a recirculation region was discussed.
