Second Law Analysis of an Automobile Air-Conditioner With R22/R124/R152a Refrigerant Mixture PUBLIC ACCESS

[+] Author Affiliations
T. Kiatsiriroat

Chiang Mai University, Chiang Mai, Thailand

T. Euakit

King Mongkut’s Institute of Technology Thonburi, Bangkok, Thailand

Paper No. 97-AA-035, pp. V001T13A011; 4 pages
  • ASME 1997 Turbo Asia Conference
  • ASME 1997 Turbo Asia Conference
  • Singapore, September 30–October 2, 1997
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7867-5
  • Copyright © 1997 by ASME


In this paper the irreversibilities and second law efficiency of an automobile air-conditioner with R22/R124/R152a refrigerant blend have been carried out. The engine is 1,300 c.c. capacity and operated at different compressor speeds between 13–55 rps. The irreversibility at each component of the air-conditioner increases with higher compressor speed. Significant irreversibilities have been found at the condenser and the compressor. In the case of the cycle second law efficiency, the unit with 30% mass fraction of R22 shows better performance than those with 20 and 40% mass fraction.

Copyright © 1997 by ASME
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