| Title |
Investigation on the Cooling Characteristics ofa Regenerative Evaporation Water Cooler |
| Keywords |
Regenerative evaporation water cooler ; 재생증발식 수냉각기 ; Ntu ; 전달 단위수 ; Ef-fectiveness ; 유용도 ; Cooling capacity ; 냉각용량 |
| Abstract |
The regenerative evaporation water cooler is devised and analysed in this study. The regenerative evaporation water cooler is composed of a sensible heat exchanger to cool the incoming air, followed by a latent heat exchanger to cool the water evaporatively with the cooled air flowing out of the sensible heat exchanger. By linearizing psychrometric characteristics, the heat and mass transfer in the regenerative evaporation water cooler is analyzed theoretically. The results show that the water can be cooled down even lower than the wet-bulb temperature of the inlet air. When the inlet air is 32℃ and 20% in relative humidity, and the inlet temperature of the water is 20℃, the regenerative evaporation water cooler provides a larger cooling capacity than the conventional evaporation water cooler if the effectiveness of the latent heat exchanger is higher than 0.6 and that of the sensible heat exchanger is higher than 0.5. |