Theoretical study of low-GWP refrigerants in high-temperature heat pump systems

被引：2
|
作者：
Zhou, Dong [1 ,2 ]
Meng, Zhaofeng [1 ]
Liu, Yin [1 ]
Dong, Suiju [1 ,2 ]
Zhang, Fan [1 ]
Ding, Chuangchuang [1 ]
Huo, Ziheng [1 ]
Wang, Mingming [1 ]
机构：
[1] Zhongyuan Univ Technol, Sch Energy & Environm, 1 Huaihe Rd, Zhengzhou 450007, Henan, Peoples R China
[2] Zhengzhou Heating Grp Co Ltd, 1 Songshan South Rd, Zhengzhou 450052, Henan, Peoples R China
来源：
INTERNATIONAL JOURNAL OF LOW-CARBON TECHNOLOGIES | 2023年 / 18卷
关键词：
high-temperature heat pump; R245fa; R1336mzz(Z); R1223zd(E); R1224yd(Z); AZEOTROPY REFRIGERANT;
D O I：
10.1093/ijlct/ctad059
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this paper, the thermal performance of three low-global warming potential refrigerants R1224yd(Z), R1223zd(E) and R1336mzz(Z) were studied to replace R245fa in the high-temperature heat pump system. The results showed that the heating capacity of R1224yd(Z), R1223zd(E) and R1336mzz(Z) was 6, 12 and 88% less than that of R245fa, respectively. The coefficient of performance (COP) of R1224yd(Z) and R1223zd(E) was 2 and 1% higher than that of R245fa, respectively. However, the COP of R1336mzz(Z) was 5% less than that of R245fa. The difference in compressor discharge temperature between R1224yd(Z), R1223zd (E), R1336mzz(Z) and R245fa was about & PLUSMN;5 & DEG;C. R1224yd(Z) is the best refrigerant to replace R245fa. R1223zd(E) is the second. R1336mzz(Z) cannot be directly replaced unless the original system is modified.
引用
收藏
页码：881 / 886
页数：6
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