Experiments on heat transfer performances of closed heat tower under winter spray conditions

Develops an experiment platform of closed heat tower heat pump. Studies the effect of inlet solution temperature on the outlet solution temperature, heat absorption and energy efficiency ratio, and the effect of water-air ratio on heat absorption efficiency. Analyses the influencing significance of five factors on heat absorption efficiency and energy efficiency ratio of closed heat tower. The results show that the outlet solution temperature increases as the inlet solution temperature increases, the heat absorption and the energy efficiency ratio decrease with the increase of inlet solution temperature, and the heat absorption efficiency decreases with the increase of water-air ratio. Among the five factors, air rate has the greatest effect on heat absorption efficiency and energy efficiency ratio.