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http://dx.doi.org/10.6110/KJACR.2013.25.4.201

Study on the Performance Improvement for an Automobile Air Conditioning System Using Alternative Refrigerant R1234yf  

Cho, Honghyun (Department of Mechanical Engineering, Chosun University)
Lee, Hoseong (Division of the Thermal Management System Research Center, KATECH)
Park, Chasik (School of Mechanical Engineering, Hoseo University)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.25, no.4, 2013 , pp. 201-207 More about this Journal
Abstract
The performance of automobile air conditioning systems of R1234yf was evaluated and compared with that of R134a. In particular, the performance evaluation was carried out by installing an internal heat exchanger in order to improve the performance of the system used in R1234yf. A performance comparison between the R1234yf and R134a for automotive air conditioning revealed that the cooling capacity and COP of the 1234yf system without the IHX decreased by up to 7% and 4.5%, respectively, but those with the IHX decreased by up to 1.8% and 2.9%, respectively.
Keywords
Alternative refrigerant; R1234yf; GWP; Internal heat exchanger; COP;
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Times Cited By KSCI : 5  (Citation Analysis)
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