Abstract
ABSTRACT The spray cooling is investigated for a high-temperature steel plate using varying temperature coolant for different nozzle-plate orientations. Before experimentation with very-high mass-flux spray, droplet-train impact assessment indicates liquid film breakup intensification down the inclined plane. The heat transfer analysis suggests a significant cooling performance change with an inclination change at high-temperature coolant. For 50°C coolant usage in horizontal-case, cooling rate, average surface heat flux, critical heat flux, and average heat transfer coefficient are 161°C/s, 2.20 MW/m2, 2.62 MW/m2, and 3.28 kW/m2K, respectively. The 40°C coolant has a low-performance factor, while 50°C has high cooling performance.
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