The experimental investigation of the vapour liquid phase equilibrium for (ammonia+2,3,3,3-tetrafluoroprop-1-ene) system

被引：14
作者：
Zhao, Yanxing [1 ,2 ]
Dong, Xueqiang [1 ]
Zhong, Quan [1 ,2 ]
Li, Huiya [1 ]
Zhang, Haiyang [3 ]
Gong, Maoqiong [1 ]
Shen, Jun [1 ]
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Cryogen, POB 2711, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
[3] Chinese Acad Sci, Tech Inst Phys & Chem, POB 2711, Beijing 100190, Peoples R China
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 2017年 / 113卷
关键词：
(Vapour plus liquid) equilibrium Ammonia; 2,3,3,3-Tetrafluoroprop-1-ene; Azeotropic refrigerant; EQUATION-OF-STATE; AMMONIA; R1234YF; REFRIGERATION; PRESSURE;
D O I：
10.1016/j.jct.2017.06.018
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Searching for mixed alternative refrigerants with less influence on global warming is one of the main tasks of the refrigeration industry. This paper presents the vapour liquid phase equilibrium and vapour liquid liquid phase equilibrium data of (ammonia + 3,3,3-tetrafluoroprop-1-ene) system at temperature from 243.150 K to 283.150 K. The vapour pressures of 3,3,3-tetrafluoroprop-1-ene were compared with Refprop 9.1, and the maximum deviation of pressure is 0.0007 MPa. The VLE and VLLE data were regressed by the PR-MHV2-NRTL model. Good reproduction was shown with the maximum RT = 0.009 K, Rp = 0.0040 MPa, Rx = 0.013 and Ry = 0.013. The homogeneous or heterogeneous azeotropic behaviours were found for the systems concerned over the temperature ranges investigated. The present results suggest that the volumetric refrigeration capacity of (ammonia + 2,3,3,3-tetrafluoroprop-1-ene) azeotropic mixture is 15% higher than that of ammonia and 79% higher than that of 2,3,3,3-tetrafluoroprop-1-ene. (C) 2017 Elsevier Ltd.
引用
收藏
页码：257 / 262
页数：6
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