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Numerical and experimental study of the heat transfer for the ammonia condensers.

Number: pap. n. 160

Author(s) : DRUGHEAN L., GIRIP A., ILIE A., et al.

Summary

The research included in this paper was performed in the Thermodynamics Laboratory, part of the Technical University of Civil Engineering, Bucharest. The research refers to ammonia condensation in a brazed plate heat exchangers. The authors present a comparative theoretical modeling of convective heat transfer coefficient on ammonia side, by calculating it using different correlations currently available in open literature. At the same time the authors present the experimental set-up, procedures used and measured values recorded by the data acquisition system. A graphically illustrated comparison is shown between the experimental and theoretical data, aiming to confirm the correlation’s validity for both geometry and given operating conditions of the ammonia condenser. Ammonia use in PHE complies the curent trend of no ozone depleting potential and low global warming impact refrigerants.

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Pages: 8

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Details

  • Original title: Numerical and experimental study of the heat transfer for the ammonia condensers.
  • Record ID : 30026392
  • Languages: English
  • Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Publication date: 2019/08/24
  • DOI: http://dx.doi.org/10.18462/iir.icr.2019.0160

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