Physical Properties and High-Temperature Heat Pump Application Characteristics of the New Environmentally Friendly Refrigerant HP-1

Ouyang Hongsheng; Zhang Dongxin; Cen Shuting; Yan Hongfei; Yan Lixia; Hu Bin; Guo Zhikai; Han Xiaohong

doi:10.12465/j.issn.0253-4339.2025.01.016

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Physical Properties and High-Temperature Heat Pump Application Characteristics of the New Environmentally Friendly Refrigerant HP-1

Heat Pump Technology | 更新时间：2025-01-23

- Physical Properties and High-Temperature Heat Pump Application Characteristics of the New Environmentally Friendly Refrigerant HP-1
- Journal of Refrigeration Vol. 46, Issue 1, Pages: 16-23(2025)
- 作者机构：
  
  1.浙江大学制冷与低温研究所　杭州　 310007
  2.浙江省化工研究院有限公司　含氟温室气体替代及控制处理国家重点实验室　杭州　 310023
  3.上海交通大学制冷与低温工程研究所　上海　 200240
- 作者简介：
  
  Han Xiaohong, female, professor, Institute of refrigeration and cryogenics, Zhejiang University, 86-13758134870, E-mail: hanxh66@zju.edu.cn. Research fields: thermal pipe cooling, microchannel cooling, immersion liquid cooling technology, refrigerant replacement technology, refrigerant leakage and recovery and reuse technology.
- 基金信息：
  
  National Natural Science Foundation of China(2076185)
- DOI：10.12465/j.issn.0253-4339.2025.01.016
  CLC： TB61⁺2;TK123;TU83
- Received：07 May 2024，
  
  Revised：20 May 2024，
  
  Accepted：2024-05-23，
  
  Published：16 February 2025
- 稿件说明：
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Ouyang Hongsheng, Zhang Dongxin, Cen Shuting, et al. Physical Properties and High-Temperature Heat Pump Application Characteristics of the New Environmentally Friendly Refrigerant HP-1[J]. Journal of refrigeration, 2025, 46(1): 16-23.
DOI：

Ouyang Hongsheng, Zhang Dongxin, Cen Shuting, et al. Physical Properties and High-Temperature Heat Pump Application Characteristics of the New Environmentally Friendly Refrigerant HP-1[J]. Journal of refrigeration, 2025, 46(1): 16-23. DOI： 10.12465/j.issn.0253-4339.2025.01.016.

摘要

HP-1是新一代环保HFOs制冷剂，由于具有良好的热力学性能和环保性能，且其临界参数和饱和蒸气压均与R245fa性质接近，具有替代高GWP的R245fa用于高温热泵等领域的潜力。通过理论与实验的方法，对HP-1的可燃性、溶油性和材料相容性等关键物性展开研究。研究结果表明：HP-1可燃极限为9.75%~16.10%，与MK220润滑油高温下互溶性良好，与高温热泵系统材料相容性良好。HP-1应用高温热泵机组，在蒸发温度为50~70 ℃时，机组冷凝温度均可达125 ℃，制热量为99.27~153.14 kW，COP为2.25~4.85。

Abstract

HP-1 is an eco-friendly hydrofluoroolefin (HFO) refrigerant with favorable thermodynamic and environmental properties. The critical parameters and saturated vapor pressure of HP-1 are similar to those of R245fa

with HP-1 serving as a potential replacement for R245fa

which has a high global warming potential (GWP) in high-temperature heat pumps. The flammability

solubility

and material compatibility of HP-1 were mainly determined experimentally

with the results demonstrating that HP-1 has a flammability range of 9.75%-16.1%

exhibiting excellent solubility with MK220 lubricating oil at elevated temperatures

and good compatibility with materials used in high-temperature heat pump systems. When HP-1 is applied to high-temperature heat pump units

the condensing temperature of the unit can reach up to 125 ℃ when the evaporating temperature ranges between 50 ℃ and 70 ℃

with a heating capacity of 99.27-153.14 kW and a coefficient of performance (COP) of 2.25-4.85.

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references

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