Some design features of a CO2 air conditioner

Andrey Rozhentsev, Chi-Chuan Wang

Research output: Contribution to journalArticlepeer-review

43 Scopus citations


A cycle analysis of a CO2 air conditioner is presented in this study. It is shown that the effect of internal superheating on the system coefficient of performance (COP) is very small for a system using a semi-hermetic compressor. However, the compressor efficiency has a significant effect on the system COP. The design of the recuperative heat exchanger in a system is crucial, since the system COP may decrease when the size of the recuperator is larger than a certain size.

Original languageEnglish
Pages (from-to)871-880
Number of pages10
JournalApplied Thermal Engineering
Issue number8
StatePublished - 1 Jun 2001

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