混合工质R407C在地铁空调上的使用前景

The Application Prospect of Mixture R407C on the Subway Air Conditioning

本文对目前冷媒的发展趋势以及冷媒 R4 0 7C与 HCFC- 2 2在物理和热力性质等方面进行了比较 ,阐明了选择冷媒 R4 0 7C应用到地铁列车空调上的可行性 ,并指出了 R4 0 7C应用于地铁列车空调的优点及目前存在的问题。

The paper compares the physical and thermodynamic properties of R407C and HCFC 22,and developing trend of refrigerants;It clarifies the feasibility of refrigerant R407C which will be used on the vehicle air conditioning,and presents the advantages and problems.