Simulation analysis and experimental study on R290 substituting for R134a electric vehicle compressor

CHEN Jianhong; TAO Leren; HUANG Lihao; WANG Xiaofei; LI Xingjiang; CHEN Haonan

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Simulation analysis and experimental study on R290 substituting for R134a electric vehicle compressor

更新时间：2025-02-17

- Simulation analysis and experimental study on R290 substituting for R134a electric vehicle compressor
- Moren Journal (2025)
- 作者机构：
  
  1.上海市动力工程多相流动与传热重点实验室,上海市上海市200093
  2.浙江中广电器集团股份有限公司,浙江省丽水市323010
  3.上海理工大学制冷及低温工程研究所,上海市上海市200093
  4.上海理工大学环境与建筑学院,上海市上海市200093,中国
- 作者简介：
- 基金信息：
  
  The project was supported by the National Natural Science Foundation of China
- DOI：
  CLC： TB652;TQ051.5
- Received：24 October 2024，
  
  Revised：18 November 2024，
  
  Accepted：2024-12-11
- 稿件说明：
移动端阅览
CHEN Jianhong, TAO Leren, HUANG Lihao, et al. Simulation analysis and experimental study on R290 substituting for R134a electric vehicle compressor[J/OL]. Moren journal, 2025.
DOI：

CHEN Jianhong, TAO Leren, HUANG Lihao, et al. Simulation analysis and experimental study on R290 substituting for R134a electric vehicle compressor[J/OL]. Moren journal, 2025. DOI：

摘要

新能源汽车由于其驱动力与传统汽车不同，因此新能源汽车的电力来源方式可以多样化，为了更好的实现节能减排的目标，提高新能源汽车空调的能效，特别是区别于传统汽车在制热方面的能耗以及降低新能源汽车空调制冷剂的GWP和ODP的需求将变得更为重要。本文通过仿真方式比较不同制冷剂R134a和R290的热力学性能并搭建一套新能源汽车压缩机性能测试系统，对比研究在不同转速下新能源汽车压缩机在不同制冷剂R134a和R290的性能的影响。结果表明：压缩机的等熵效率和容积效率随压缩机转速上升而增大，在额定转速后的上升趋于平缓，压缩机采用R290制冷剂比采用R134a制冷剂时压缩机的等熵效率和容积效率有显著提高，压缩机的等熵效率和容积效率随着蒸发温度的增加而增大，而与冷凝温度负相关。压缩机功率的仿真结果和实验结果的对比适用性较好，在低转速和高转速时的仿真还需要考虑其他影响因素。

Abstract

Electric vehicles have different driving forces with traditional vehicles. New energy vehicles power is diversified. It is an important research direction to reduce power for new energy vehicles and to develop lower global warming potential (GWP) refrigerants for emission target. This article compares the thermodynamic performance of different refrigerants R134a and R290 through simulation

and builds a performance testing system for new energy vehicle compressors and study the effects of different refrigerants R134a and R290 on the performance of new energy vehicle compressors with different speed. The results showed that isentropic efficiency and volumetric efficiency of the compressor increase with the compressor speed

and the increase tends to be smooth after the rated speed. When using R290 refrigerant

the isentropic efficiency and volumetric efficiency of the compressor are slightly improved compared to using R134a refrigerant. The isentropic efficiency and volumetric efficiency of the compressor increase with the increase of evaporation temperature and are negatively correlated with condensation temperature. The comparison between the simulation results and experimental results of compressor power has good applicability

and other influencing factors need to be considered in the simulation at low and high speeds.

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references

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