Effect of Black Carbon and Alumina Nanofluid on Thermal and Dynamic Efficiency in Upward Spraying Cooling Tower

In cooling water systems, towers play a critical role in removing heat from the water. Cooling systems are commonly used industry to dispose waste heat. An upward spray was especially designed and investigated this work. The effect of two nanofluids (Al2O3/ water, black carbon /water) on velocity temperature distributions along reverse tower at various concentrations (0.02, 0.08, 0.1, 0.15, 0.2 wt.%) were investigated, beside inlet (35 ,40, 45 ͦ C) air flow ratio (L/G) 0.5, 0.75, 1. best thermal performance found when working solution contained 0.1 wt.% for each Al2O3 nanoparticles, with maximum drop drops (i, e. range) (16 (20 C), respectively. tower's outlet decreased as fluid increased, efficiency declined increasing L/G by about 5%. However, caused nanofluid is more than that pure every point 6 C.