CHARGE ESTIMATION OF R1243ZF/R134A FOR A CONSTANT TEMPERATURE AND HUMIDITY AIR CONDITIONER

被引：0
|
作者：
Wu, Xi [1 ]
Tang, Fengyi [1 ]
Ou, Zudi [1 ]
Xu, Shiming [1 ]
Zhu, Xiaojing [1 ]
机构：
[1] Dalian Univ Technol, Sch Energy & Power Engn, Key Lab Ocean Energy Utilizat & Energy Conservat, Minist Educ, Dalian 116024, Peoples R China
来源：
3RD IIR CONFERENCE ON HFO REFRIGERANTS AND LOW GWP BLENDS | 2023年
基金：
中国国家自然科学基金;
关键词：
Refrigerant; Hydrofluoroolefin; HFO-1243zf; Air conditioner; Charge; REFRIGERANT; PERFORMANCE; REPLACEMENT; SYSTEM;
D O I：
10.18462/iir.HFO2023.0019
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Currently, the constant temperature and humidity air conditioner usually takes R410A as the refrigerant. However, R410A has been scheduled to be phased out in future due to its large global warming potential (GWP) value. R1243zf (3,3,3-trifluoropropene) is one of the available new refrigerants for its favourable thermodynamic and transport properties, as well as the low climate change effect. R1243zf is flammable, and it has not been widely considered as a commercially viable single-component refrigerant. In this paper, R1243zf/R134a blend is proposed to be the low GWP refrigerant for an air conditioner. The mathematical simulation model of a constant temperature and humidity air conditioner was newly built, and then the theoretical refrigerating cycle and suitable refrigerant charge was estimated. It is found that the required refrigerant charge of R1243zf/R134a (0.5/0.5) is smaller (approximately 18% in reduction) than that of R410A, besides the coefficients of performance are elevated in range of 3.93% to 10.77%.
引用
收藏
页码：142 / 149
页数：8
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