Unformatted text preview: liquid at the average temperature between the dew point temperature of the entering air-water vapor mixture and the dry bulb temperature of the exiting air-water vapor mixture. Evaporative Spray Cooler: A spray of liquid droplets is introduced to the air-water vapor mixture. The liquid evaporates into the mixture giving rise to cooling. The first law is written: ( 29 h + -h = h av,in out in ,in av,out ϖ ϖ l Steam Humidifier: Steam is mixed with the inlet air-water vapor mixture, so as to increase its moisture content (humidity ratio). The first law is written: ( 29 h + -h = h av,in out in tm,in av,out ϖ ϖ s...
View Full Document
- Fall '07
- Atmospheric thermodynamics, Water vapor, Psychrometrics, air-water vapor mixture