PERFORMANCE OF R1234yf AND R513A AS ALTERNATIVES TO R134a IN AUTOMOTIVE AIR CONDITIONING SYSTEMS IN WINTER

被引：1
|
作者：
Meng, Zhaofeng [1 ]
Cui, Xiangna [2 ]
Liu, Yin [1 ,2 ]
Wang, Shun [1 ]
DU, Chenyang [1 ]
Hu, Rusheng [1 ]
机构：
[1] Zhongyuan Univ Technol, Sch Energy & Environm, Zhengzhou, Henan, Peoples R China
[2] Henan Zhongrui Refrigerat Technol Co Ltd, Zhengzhou, Henan, Peoples R China
来源：
THERMAL SCIENCE | 2023年 / 27卷 / 3A期
关键词：
R513A; R1234yf; R134a; automotive air conditioning systems; micro-channel heat exchanger; SLIDING MODE CONTROL; REFRIGERANTS;
D O I：
10.2298/TSCI2303937M
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this paper, the feasibility of two low global warming potential refrigerants R513A and R1234yf as alternatives to R134a was tested in an automotive air conditioning system in winter. The test results showed that the heating capacities of R513A and R1234yf were 2% and 4% lower than that of R134a, and their COP were 3-9% and 6-19% lower than that of R134a, respectively. It revealed that R513A can be used as a transition product to replace R134a, and R1234yf required further improvements to improve the energy efficiency.
引用
收藏
页码：1937 / 1946
页数：10
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