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Modelling of condensation heat transfer of refrigerant mixture in micro-fin tubes.

Author(s) : CHAMRA L. M., MAGO P. J.

Type of article: Article

Summary

This paper presents a new refrigerant-mixture model for condensation in micro-fin tubes. The new refrigerant-mixture model is developed based on a theoretical analysis of turbulent film condensation inside smooth tubes. Several modifications have been implemented in the original smooth-tube model to account for mass transfer thermal resistance between the liquid and vapour phases. The new condensation model is compared with a set of around 200 experimental data points for refrigerant mixtures. The comparison shows that the new model is capable of producing consistent prediction results with a mean absolute deviation (MAD) less than 22% for most of the available data sets. The MAD values obtained with the new model are lower compared to the results obtained using another models. [Reprinted with permission from Elsevier. Copyright, 2005].

Details

  • Original title: Modelling of condensation heat transfer of refrigerant mixture in micro-fin tubes.
  • Record ID : 2006-2215
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 49 - n. 11-12
  • Publication date: 2006/06

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