Prediction of forced convective condensation characteristics of new alternatives to R-502 inside water/refrigerant enhanced surface tubing
Book
·
OSTI ID:649455
- Univ. of Moncton, New Brunswick (Canada)
In this paper, an experimental study on the heat transfer characteristics of two-phase flow condensation of alternative refrigerant mixtures to R-502 is presented. The test section was a horizontal, enhanced surface tubing in a water-to-refrigerant heat exchanger setup. Correlations were proposed to predict condensation heat transfer characteristics, such as average heat transfer coefficients, as well as the heat flux of R-502 alternatives: R-404a, R-507, R-408a, and a quaternary blend, R-32/R-125/R-143a/R-134a. In addition, it was found that the proposed correlations predicted the heat transfer characteristics with a deviation of less than {+-}20%.
- Sponsoring Organization:
- Natural Sciences and Engineering Research Council of Canada, Ottawa, ON (Canada)
- OSTI ID:
- 649455
- Report Number(s):
- CONF-980123--
- Country of Publication:
- United States
- Language:
- English
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