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Incorporating the VX concept in a commercial GAX heat pump: a numerical study.

Number: AB-SI2-1091

Author(s) : TOPPI T., APRILE M., GUERRA M., et al.

Summary

In this work a numerical study is carried out on the addition of the VX concept to the GAX cycle implemented in a commercial gas driven absorption heat pump (GAHP). The performance of the two cycles are compared in terms of Gas Utilization Efficiency (GUE) over a wide range of water temperature and for air temperature ranging from -10°C to 10 °C. The calculations show that the VX can improve the GUE from about 4% to 8% GUE of the GAX cycle. Moreover, it is observed that the GUE is scarcely influenced by the split ratio, leaving room for optimizing the pumping power and the mass flux at the heat exchangers.

Details

  • Original title: Incorporating the VX concept in a commercial GAX heat pump: a numerical study.
  • Record ID : 30022722
  • Languages: English
  • Source: International sorption heat pump conference, ISHPC 2017, Tokyo august 7-10.
  • Publication date: 2017/08/07

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