Investigation of spray cooling in an inclined nozzle-plate configuration with varying coolant temperature

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 degrees C coolant usage in horizontal-case, cooling rate, average surface heat flux, critical heat flux, and average heat transfer coefficient are 161 degrees C/s, 2.20 MW/m(2), 2.62 MW/m(2), and 3.28 kW/m(2)K, respectively. The 40 degrees C coolant has a low-performance factor, while 50 degrees C has high cooling performance.