COMPARATIVE EXPERIMENTAL EVALUATION ON HEATING PERFORMANCE OF A MOBILE AIR CONDITIONING SYSTEM USING R134A, R1234ZE(E), R152A and R444A

被引：0
|
作者：
Direk, Mehmet [1 ]
Yuksel, Fikret [1 ]
机构：
[1] Yalova Univ, Dept Energy Syst Engn, TR-77200 Yalova, Turkey
来源：
ISI BILIMI VE TEKNIGI DERGISI-JOURNAL OF THERMAL SCIENCE AND TECHNOLOGY | 2019年 / 39卷 / 01期
关键词：
Mobile air conditioning system; R134a; R1234ze(E); R152a and R444a; ELECTRIC VEHICLES; PUMP SYSTEM; EXCHANGER; CABIN;
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this study, the use of R1234ze(E), R152a and R444a as alternative to R134a in a mobile air conditioning (MAC) system are tested. The performance characteristics of R134a, R444a, R1234ze(E) and R152a were experimentally examined in a MAC system by changing the air temperatures. Besides, the influence of compressor volume when the system operates with R1234ze(E) was investigated. The results show that the heating performance of R152a are higher than those obtained from R134a, R444a, R1234ze(E). Additionally, R1234ze(E) has lowest heating capacities among the low GWP refrigerants investigated. The heating performance of R1234ze(E) increased along with increasing the total compressor volume. Finally, R444a, R152a and R1234ze(E) can be used as alternative to R134a in MAC systems when the necessary improvements are made.
引用
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页码：31 / 38
页数：8
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