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

MENG Zhaofeng; ZHANG Hua; QIN Yanbin; YANG Meng; LIANG Hao

doi:10.11949/j.issn.0438-1157.20171285

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

更新时间：2025-12-10

- Experimental study on R1234yf/R134a mixture as alternative to R134a in automobile air conditioner
- CIESC Journal Issue 6, Pages: 2396-2403(2018)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20171285
  CLC： B61+1TB61+2
- Online First：05 June 2018，
  
  Published：05 June 2018
- 稿件说明：
移动端阅览
MENG Zhaofeng, ZHANG Hua, QIN Yanbin, et al. Experimental study on R1234yf/R134a mixture as alternative to R134a in automobile air conditioner[J]. CIESC Journal, 2018, (6): 2396-2403.
DOI：

MENG Zhaofeng, ZHANG Hua, QIN Yanbin, et al. Experimental study on R1234yf/R134a mixture as alternative to R134a in automobile air conditioner[J]. CIESC Journal, 2018, (6): 2396-2403. DOI： 10.11949/j.issn.0438-1157.20171285.

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。

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.

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