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An updated model for condensation of halogenated refrigerants inside enhanced tubes.

Author(s) : CAVALLINI A., DEL COL D., MANCIN S., et al.

Summary

The authors aim to present a new simple model for the prediction of the heat transfer coefficient to be applied to condensation in microfin tubes of halogenated and natural refrigerants, pure fluids or nearly azeotropic mixtures. The updated model accounts for refrigerant physical properties, two-phase flow patterns in microfin tubes and geometrical characteristics of the tubes. It is validated against a data bank of 3115 experimental heat transfer coefficients measured in different independent laboratories all over the world including diverse inside tube geometries and different condensing refrigerants among which R-22, R-134a, R-123, R-407C, R-410A and CO2. The comparisons show a good agreement with experimental data.

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Pages: ICR07-B1-1060

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Details

  • Original title: An updated model for condensation of halogenated refrigerants inside enhanced tubes.
  • Record ID : 2007-2532
  • Languages: English
  • Source: ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
  • Publication date: 2007/08/21

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