Vapor pressure of 1,1,1,2,3,3,3-heptafluoropropane

被引：30
|
作者：
Shi, L
Duan, YY [1 ]
Zhu, MS
Han, LZ
Lei, X
机构：
[1] Tsing Hua Univ, Dept Thermal Engn, Beijing 100084, Peoples R China
[2] Beijing United Univ, Beijing 100054, Peoples R China
来源：
FLUID PHASE EQUILIBRIA | 1999年 / 163卷 / 01期
基金：
中国国家自然科学基金;
关键词：
vapor pressure; vapor-liquid equilibria; 1,1,1,2,3,3,3-heptafluoropropane; HFC-227ea; refrigerant alternatives; data;
D O I：
10.1016/S0378-3812(99)00212-5
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A total of 84 vapor pressure data points for 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea) have been measured in the temperature range from 243 to 375 K. The maximum total pressure uncertainty of these data is estimated to be within +/- 1 kPa. The purity of the sample used in this work is 99.9 mol%. Based on this data set, a vapor pressure equation for HFC-227ea has been developed. The root-mean-square (RMS) deviation of the experimental data from the vapor pressure equation is 0.057%. The normal boiling point of HFC-227ea was also determined. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：109 / 117
页数：9
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