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首页> 外文期刊>International Journal of Refrigeration >An experimental investigation of refrigerant mixture R32/R290 as drop-in replacement for HFC410A in household air conditioners
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An experimental investigation of refrigerant mixture R32/R290 as drop-in replacement for HFC410A in household air conditioners

机译：R32 / R290混合制冷剂替代家用空调中HFC410A的实验研究

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摘要

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. (C) 2015 Elsevier Ltd and IIR. All rights reserved.
机译：在本文中，研究了制冷剂混合物R32 / R290（按重量计占68％/ 32％）作为家用空调中R410A的直接替代品。它的全球升温潜能值仅为R410A的22％。对使用R32 / R290和R410A的空调的性能进行了理论和实验研究。实验结果表明，R32 / R290的制冷剂充注量降低了30.0％-35.0％;制冷和制热能力提高了14.0％-23.7％。为了进一步减少装料量和可燃性，采用微通道热交换器（冷凝器）代替翅片管。与使用翅片管热交换器的R32 / R290系统相比，R32 / R290的充电量和功耗分别减少了34.1％和0.4％;制冷能力和COP分别提高了6.4％和6.8％。 （C）2015 Elsevier Ltd和IIR。版权所有。

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