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Near zeotrope blends or R125-R134a cascade: what choice for substitution of R502?

Author(s) : CLODIC D., DEWITTE P.

Summary

The work presents the comparison between a single stage system working with R404A and a cascading system working with R125 for the low temperature stage and R134a for the high temperature one. The experiments which are described show that for an evaporating temperature of -40 deg C and condensing temperatures varying between 38 and 50 deg C, the expected efficiency is not reached.

Details

  • Original title: Near zeotrope blends or R125-R134a cascade: what choice for substitution of R502?
  • Record ID : 1995-2876
  • Languages: English
  • Publication date: 1994/10/24
  • Source: Source: Prepr. int. CFC Halon Altern. Conf., Washington
    9 p.; 2 fig.; 11 tabl.
  • Document available for consultation in the library of the IIR headquarters only.

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