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Condensation heat transfer and pressure drop characteristics of R-513A as an alternative refrigerant of R-134a.

Number: No 316

Author(s) : KARAGEORGIS A., HINOPOULOS G., KIM M. H.

Summary

Two phase condensation heat transfer and pressured drop characteristics of R-513A in a 9.52 mm O.D. horizontal microfin copper tube are investigated experimentally. Test facility has a straight test section with a length of 2.0 m and is cooled by cold water circulated in a surrounding annular space. The water-side annular space heat transfer coefficients are measured using the Wilson plot method. Average heat transfer coefficients and pressure drop data are reported at the condensation temperature of 35°C in range of 100-440 kg/m2s mass flux. The test data of R-513A are compared with those of R-134a, R-1234yf and R-1234ze(E). 

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  • Original title: Condensation heat transfer and pressure drop characteristics of R-513A as an alternative refrigerant of R-134a.
  • Record ID : 30030097
  • Languages: English
  • Subject: HFCs alternatives
  • Source: 13th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
  • Publication date: 2021/08/31

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