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Simulation of the effects of copper tube diameter on refrigerant charge reduction in split AC systems and refrigerated cabinets

Number: 1969

Author(s) : SHABTAY Y., GAO F., SONG K.

Summary

Heat exchanger design software accurately simulates the performance of heat exchangers, allowing a wide range of design parameters to be explored without building prototypes. In this paper, basic principles are reviewed using HXSim software from the International Copper Association. The first case study compares outdoor condenser units with copper-tube outer diameters of 7 mm vs. 5 mm in a nominal 3500 W split AC system with R32 refrigerant. The second compares cooling-cabinet condensers with tube diameters of 9.52 mm vs. 5 mm using R290 refrigerant and similar capacity. Detailed graphical and tabular input and output reveal the ease and accuracy of simulations for a wide range of design parameters and performance objectives. The International Copper Association offers software to qualified designers and OEMs and will assist in the development of heat exchangers optimized for efficiency, refrigerant charge and materials usage.

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Pages: 8

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Details

  • Original title: Simulation of the effects of copper tube diameter on refrigerant charge reduction in split AC systems and refrigerated cabinets
  • Record ID : 30028911
  • Languages: English
  • Subject: Technology
  • Source: 6th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
  • Publication date: 2021/09/01
  • DOI: http://dx.doi.org/10.18462/iir.TPTPR.2021.1969
  • Document available for consultation in the library of the IIR headquarters only.

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