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Performance of R32 and R290 as alternatives to R22 and R410A in domestic air conditioning

According to the authors, regardless of the capacity difference, R290 could be considered as the most appropriate substitute in air conditioners with small finned tube heat exchangers
In order to identify alternative refrigerants exhibiting favorable cycle performance in domestic air conditioning, S. Cheng et al.* assessed the performance of R32 and R290 as substitutes to R22 and R410A in a small split household air conditioner.

The experiments were conducted with a sma...

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