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An experimental investigation of refrigerant mixture R32/R290 as drop-in replacement for HFC410A in household air conditioners.

Author(s) : TIAN Q., CAI D., REN L., et al.

Type of article: Article, IJR article

Summary

In the present paper, the refrigerant mixture R32/R290 (68%/32% by weight) is investigated as the drop-in replacement for R410A in household air conditioners. The GWP of it is only 22% of that of R410A. Theoretical and experimental investigations are conducted on the performance of the air conditioners working with both R32/R290 and R410A. Experimental results show that the refrigerant charge amount of R32/R290 is reduced by 30.0%–35.0%; the cooling and heating capacities are increased by 14.0%–23.7%. For further reducing charge amount and flammability, the micro-channel heat exchanger (condenser) is employed to replace the finned tube one. Compared with the R32/R290 system using finned tube heat exchanger, the R32/R290 charge amount and the power consumption are reduced by 34.1% and 0.4%, respectively; the cooling capacity and the COP are increased by 6.4% and 6.8%, respectively.

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Pages: 216-228

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Details

  • Original title: An experimental investigation of refrigerant mixture R32/R290 as drop-in replacement for HFC410A in household air conditioners.
  • Record ID : 30015233
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 57
  • Publication date: 2015/09

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