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Performance analysis of air-cooled condensing units.

Author(s) : MOTTA S. Y., QUINTELLA M. A., PEREIRA R. H., BRAGA S. L., PARISE J. A. R., PEREIRA E. A. G.

Summary

A simulation model is developed to simulate the performance of air-cooled condensing units. Mathematical models were developed for all components: hermetic compressor, condenser, connecting tubes, fan and liquid receiver. Energy balance equations as well as thermodynamic properties, pressure drop and heat transfer relations are employed in the compressor semi-empirical model. It only requires experimental results from one calorimetric test as input data. An algorithm is employed to determine the steady-state operating point of the unit for a given geometry and operational conditions. Good agreement with experimental data was found. Typical applications for such model are presented.

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Pages: 395-402

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Details

  • Original title: Performance analysis of air-cooled condensing units.
  • Record ID : 1996-0855
  • Languages: English
  • Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
  • Publication date: 1995/08/20
  • Document available for consultation in the library of the IIR headquarters only.

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