Spray cooling enhancement studies using dielectric liquid

An experimental investigation on closed-loop single nozzle spray cooling with and without the presence of non-condensable gas in the system was carried out. A circular bare copper heated surface of area 3.14 cm 2 was spray cooled with dielectric liquid PF-5060 and FC-3284 in this study. Results showed that spray cooling without non-condensable gas showed a lower surface temperature for the same heat flux compared to that with non-condensable gas.