R1234yf/R134a混合物在汽车空调中替代R134a的实验研究

doi:10.11949/j.issn.0438-1157.20171285

化工学报 ›› 2018, Vol. 69 ›› Issue (6): 2396-2403.DOI: 10.11949/j.issn.0438-1157.20171285

R1234yf/R134a混合物在汽车空调中替代R134a的实验研究

孟照峰¹, 张华¹, 秦延斌¹, 杨梦¹, 梁浩²

1. 上海理工大学能源与动力工程学院, 上海 200093;
2. 住房和城乡建设部科技与产业化发展中心, 北京 100835

收稿日期:2017-09-25 修回日期:2018-01-09 出版日期:2018-06-05 发布日期:2018-06-05
通讯作者: 张华
基金资助:
国家自然科学基金项目（51606126）。

Experimental study on R1234yf/R134a mixture as alternative to R134a in automobile air conditioner

MENG Zhaofeng¹, ZHANG Hua¹, QIN Yanbin¹, YANG Meng¹, LIANG Hao²

1. School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
2. Center of Science and Technology Industrial Development, Ministry of Housing and Urban-Rural Development, Beijing 100835, China

Received:2017-09-25 Revised:2018-01-09 Online:2018-06-05 Published:2018-06-05
Supported by:
supported by the National Natural Science Foundation of China (51606126).

摘要/Abstract

摘要：

在使用微通道换热器的汽车空调系统中，实验研究了新型混合制冷剂R1234yf/R134a（质量比为89∶11）替代R134a的可行性。实验结果表明，R1234yf/R134a和R134a的制冷量相似，R1234yf/R134a的COP比R134a低4%～9%，R1234yf/R134a的平均压缩机排气温度比R134a低10℃。通过添加质量分数11%的R134a，可以使R1234yf/R134a不可燃。此外，R1234yf/R134a没有臭氧消耗潜力，全球变暖潜能值小于150，符合欧洲汽车空调标准的要求。在几乎不改变原汽车空调系统的情况下，R1234yf/R134a可用作R134a的环保替代品。

关键词: R1234yf, R134a, GWP, 二元混合物, 共沸(混合)物, 热力学, 汽车空调

Abstract:

The performance of a new refrigerant, R1234yf/R134a (with a mass ratio of 89:11), was studied as alternative to R134a in automotive air conditioning systems using micro-channel heat exchangers. The results show that the cooling capacity of R1234yf/R134a and R134a is similar. The COP of R1234yf/R134a is lower than that of R134a by 4%-9%. The average compressor discharge temperature of R1234yf/R134a is up to 10℃ lower than that of R134a. By adding 11% (mass) R134a, R1234yf/R134a can be made non-flammable. In addition, R1234yf/R134a has no ozone depletion potential, with a global warming potential of less than 150, thus meeting the requirement of European mobile air-conditioner directives. R1234yf/R134a can be used as an environment-friendly replacement for R134a in automotive air conditioning systems, with minor modifications.

Key words: R1234yf, R134a, GWP, binary mixture, azeotrope, thermodynamics, automobile air conditioner

中图分类号:

孟照峰, 张华, 秦延斌, 杨梦, 梁浩. R1234yf/R134a混合物在汽车空调中替代R134a的实验研究[J]. 化工学报, 2018, 69(6): 2396-2403.

MENG Zhaofeng, ZHANG Hua, QIN Yanbin, YANG Meng, LIANG Hao. Experimental study on R1234yf/R134a mixture as alternative to R134a in automobile air conditioner[J]. CIESC Journal, 2018, 69(6): 2396-2403.

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R1234yf/R134a混合物在汽车空调中替代R134a的实验研究

Experimental study on R1234yf/R134a mixture as alternative to R134a in automobile air conditioner

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