In this paper, spray cooling is the research object, and the component transportation model and DPM model are used in the simulation to simulate the spray and its cooling process to the high temperature heat source. By observing the diameter of droplet and velocity distribution at different heights, the effect of spray on the surface of heat source has been explored. Under the same atomization parameters, the droplet velocity and diameter under different spray distances are quite different. The thickness and velocity distribution of the liquid film formed on the surface have an important impact on heat transfer.
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