RESEARCH ON HEAT TRANSFER CHARACTERISTICS OF LOW GWP REFRIGERANTS

被引：0
|
作者：
Kim, Yongchan x [1 ]
Kim, Dongwoo [1 ]
Lee, DongChan [1 ]
机构：
[1] Korea Univ, Dept Mech Engn, Seoul 136701, South Korea
来源：
5TH IIR INTERNATIONAL CONFERENCE ON THERMOPHYSICAL PROPERTIES AND TRANSFER PROCESSES OF REFRIGERANTS (TPTPR) | 2017年
关键词：
Low GWP; HFO refrigerant; Natural refrigerant; Heat transfer characteristics; PRESSURE-DROP; CONDENSATION; R410A; R32; TUBES; R134A;
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Due to Montreal protocol and F-gas regulation, low global warming potential (GWP) refrigerants have been studied for replacement of existing refrigerants, such as R-134a, R-410A, and R-404a. In this study, recent research trends on the heat transfer characteristics of low GWP refrigerants are investigated. Low GWP refrigerants of R-1234yf, R-1234ze, R-1233zd, R-32, and CO2 showed several disadvantages such as reduced heat transfer rate, high pressure drop, and unstability, but still had competitive performance compared to the existing refrigerants. The detailed performance of these low GWP refrigerants was compared to that of the existing refrigerants.
引用
收藏
页码：718 / 723
页数：6
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