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Effects of a thermodynamic non-equilibrium two-phase flow of R-600a at subcooled temperature condition on the performance of a vapor compression refrigeration system.

Number: pap. 1109

Author(s) : KO J., JEONG J. H.

Summary

Some previous research demonstrated the existence of a thermodynamic non-equilibrium two-phase flow of the refrigerant between the condenser outlet and the expansion device inlet even at thermodynamic subcooled temperature condition where the refrigerant temperature is below the corresponding saturation temperature. In the present study, experiments are carried out to investigate the effects of the thermodynamic non-equilibrium two-phase flow of R-600a at the subcooled condition on the performance of a vapor compression refrigeration system. The enthalpy of the non-equilibrium state refrigerant is calculated using three different methods. Based on the enthalpy values at the outlet of the condenser, the condenser heat rejection rate and the coefficient of performance (COP) of the refrigeration system are evaluated.

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Pages: 7

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Details

  • Original title: Effects of a thermodynamic non-equilibrium two-phase flow of R-600a at subcooled temperature condition on the performance of a vapor compression refrigeration system.
  • Record ID : 30023479
  • Languages: English
  • Source: 13th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
  • Publication date: 2018/06/18
  • DOI: http://dx.doi.org/10.18462/iir.gl.2018.1109

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