THEORETICAL STUDY ON VACUUM COOLING BY WATER SPRAY EVAPORATION
Ice slurry production by water spray evaporation in a vacuum environment is an energy efficient technology.This paper gives a study on the process of cooling of droplets by vacuum evaporation.A physical model was developed to theoretically study the cooling of liquid at steady sate in the chamber.Mathematical models were built.The temperature evolution of water droplets along the position of the chamber was derived.The factors affecting the vacuum cooling process,including the pressure,the area of the interface and the falling velocity of water droplets,were evaluated.Results showed that the first two factors were more important.Results obtained from this paper will provide valuable reference for a series of questions concerned on dynamic ice slurry production by water spray evaporation in a vacuum chamber.
Water spray evaporation Vacuum Numerical Simulation Ice slurry
SUN B.J ZHAO H.X Zhang D.S Xu Q.H Han J.T
Institute of Refrigeration and Cryogenics,School of Power and Energy,Shandong University,Jinan,25006 Shandong Institute of Commerce and Technology,Mechanical and Electric Engineering School,Jinan,25010
国际会议
西安
英文
1-8
2012-08-26（万方平台首次上网日期，不代表论文的发表时间）