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Assessment of boiling and condensation heat transfer correlations in the modelling of plate heat exchangers.

Author(s) : GARCÍA-CASCALES J. R., VERA-GARCÍA F., CORBERÁN-SALVADOR J. M., et al.

Type of article: Article, IJR article

Summary

This paper studies refrigeration cycles in which plate heat exchangers are used as either evaporators or condensers. The performance of the cycle is studied by means of a method introduced in previous papers which consists of assessing the goodness of a calculation method by looking at representative variables such as the evaporation or the condensation temperature depending on the case evaluated. This procedure is also used to compare several heat transfer coefficients in the refrigerant side. As in previous works the models of all the cycle components are considered together with the heat exchanger models in such a way that the system of equations they provide is solved by means of a Newton-Raphson algorithm. Calculated and measured values of the evaporation and the condensation temperatures are also compared. The experimental results correspond to the same air-to-water heat pump studied in other papers and they have been obtained by using refrigerants R-22 and R-290. See also this Bulletin, references 2007-2520 and 2521.

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Pages: 1029-1041

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Details

  • Original title: Assessment of boiling and condensation heat transfer correlations in the modelling of plate heat exchangers.
  • Record ID : 2007-2525
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 30 - n. 6
  • Publication date: 2007/09

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