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As the behavior of the spray cooling parameters, during cooling without phase  change, is rarely considered and there are only little investigations on  that matter, this work is focused on the influence of the parameters  involved in water spraying cooling process of an aluminum plate at a  temperature of 92°C. A detailed study of the effects of mass-flow rate,  fluid pressure and the nozzle height above the hot plate was achieved using  the version 5.2 of the COMSOL Multiphysics code. First of all, the flow  rate was varied from 0.497 up to 1 L/min. Then, the inlet pressure varied  from 0.7 to 2.1 bars. The influence of nozzle-to-target distance is also  tested since the simulations were carried out in a wide height range (100 to  505 mm). The effect of the studied parameters on the temperature, total  internal energy, convective heat flux, Reynolds number, spray distribution  and velocity was investigated.

Parametric study of non-evaporative spray cooling on aluminum plate: Simulation and analysis