热科学学报（英文版）2001，Vol.10Issue(3)：193-197,5.
Vapor Pressure of Pentafluoroethane and Trifluoroiodomethane
Vapor Pressure of Pentafluoroethane and Trifluoroiodomethane
Zhang Chang 1Duan Yuanyuan 2Shi Lin 2Zhu Mingshan 2Han Lizhong2
作者信息
- 1. Department of Mechanical Engineering, Wuhan Institute of Science and Technology, Wuhan 430073, China
- 2. Department of Thermal Engineering, Tsinghua University, Beijing 100084, China
- 折叠
摘要
Abstract
Pentafluoroethane (HFC-125) and trifluoroiodomethane (CF3I) are considered as promising refrigerant alternatives, especially as components in mixtures, to replace CFCs or HCFCs. Effective uses of HFC-125 and CF3I require that the thermophysical properties be accurately measured. In the present work, vapor pressure data of HFC-125 and CF3I have been measured in the temperature range from 292 to 337 K and 288 to 336 K,respectively. Maximum total pressure uncertainty of HFC-125 data is estimated to be within ±1.2 kPa and ±780 Pa for CF3I. Based on the data set and literature values, the vapor pressure equations for HFC-125 and CF3I have been developed. The relative deviation of the equations correlate the measurements within 0.022% for HFC-125 and 0.068% for CF3I, respectively.关键词
pentafluoroethane/trifluoroiodomethane/vapor pressure/vapor pressure equationKey words
pentafluoroethane/trifluoroiodomethane/vapor pressure/vapor pressure equation分类
能源科技引用本文复制引用
Zhang Chang,Duan Yuanyuan,Shi Lin,Zhu Mingshan,Han Lizhong..Vapor Pressure of Pentafluoroethane and Trifluoroiodomethane[J].热科学学报（英文版）,2001,10(3):193-197,5.
